Electronic device including converter, operating method thereof, and recording medium

Abstract

This electronic device comprises: a converter; a battery electrically connected to an output terminal of the converter; and a control circuit configured to control the converter. The converter may include: first to sixth switches; a first capacitor; and first and second inductors. The control circuit may be configured to control the first to sixth switches, and the converter may be configured to convert power provided via an input terminal, and output the converted power via the output terminal.　Also, the battery of the electronic device can be charged on the basis of the output power of the converter.

Description

Electronic device including converter, method of operation thereof and recording medium

[0001] The present disclosure relates to an electronic device including a converter, a method of operating the same, and a recording medium.

[0002] Electronic devices can convert power using a converter. The converter may include a circuit for converting a DC input voltage to a desired DC output voltage. The converted power can be used to charge a battery and / or operate the system. Compared to a typical two-level buck converter, a three-level buck converter can have a smaller inductor current ripple even when using the same inductor. Therefore, a three-level buck converter can maintain the same current ripple as a two-level converter using a large inductor even when using a relatively small inductor, and has the advantage of achieving high power conversion efficiency by reducing the inductor resistance through reducing the inductor capacity. In addition, since the voltage stress on each switching element in a three-level buck converter is half that of a two-level buck converter, the loss in the switching element can be reduced by using elements with a lower withstand voltage, thereby achieving high efficiency.

[0003] According to one embodiment, an electronic device may include a converter, a battery electrically connected to an output terminal of the converter, and a control circuit configured to control the converter. The converter may include a first switch, a second switch, a third switch, a fourth switch, a fifth switch, a sixth switch, a first capacitor, a first inductor, and a second inductor. A first terminal of the first switch may be connected to an input terminal of the converter and a first terminal of the fifth switch. A second terminal of the first switch may be connected to a first terminal of the second switch and a first terminal of the first capacitor. A second terminal of the second switch may be connected to a first terminal of the third switch and a first terminal of the first inductor. A second terminal of the third switch may be connected to a second terminal of the first capacitor, a first terminal of the fourth switch, and a first terminal of the sixth switch. A second terminal of the fourth switch may be connected to ground. The second terminal of the fifth switch may be connected to the second terminal of the sixth switch and the first terminal of the second inductor. The second terminal of the first inductor may be connected to the output terminal of the converter and the second terminal of the second inductor. The control circuit may be configured to control the first switch, the second switch, the third switch, the fourth switch, the fifth switch, and the sixth switch. The converter may be configured to convert power provided through the input terminal and output the converted power through the output terminal.

[0004] According to one embodiment, a method of operating an electronic device may include an operation of controlling a plurality of switches of a converter of the electronic device to convert power provided through an input terminal of the converter and output the converted power through an output terminal of the converter. The method may include an operation of charging a battery of the electronic device based on the output power of the converter. The converter may include a first switch, a second switch, a third switch, a fourth switch, a fifth switch, a sixth switch, a first capacitor, a first inductor, and a second inductor. A first terminal of the first switch may be connected to an input terminal of the converter and a first terminal of the fifth switch. A second terminal of the first switch may be connected to a first terminal of the second switch and a first terminal of the first capacitor. A second terminal of the second switch may be connected to a first terminal of the third switch and a first terminal of the first inductor. The second terminal of the third switch may be connected to the second terminal of the first capacitor, the first terminal of the fourth switch, and the first terminal of the sixth switch. The second terminal of the fourth switch may be connected to ground. The second terminal of the fifth switch may be connected to the second terminal of the sixth switch and the first terminal of the second inductor. The second terminal of the first inductor may be connected to the output terminal of the converter and the second terminal of the second inductor.

[0005] According to one embodiment, a non-transitory computer-readable recording medium storing instructions may cause the instructions, when individually or collectively executed by at least one processor of an electronic device, to cause the electronic device to perform at least one operation. The at least one operation may include controlling a plurality of switches of a converter of the electronic device to convert power provided through an input terminal of the converter and output the converted power through an output terminal of the converter. The at least one operation may include charging a battery of the electronic device based on an output power of the converter. The converter may include a first switch, a second switch, a third switch, a fourth switch, a fifth switch, a sixth switch, a first capacitor, a first inductor, and a second inductor. A first terminal of the first switch may be connected to an input terminal of the converter and a first terminal of the fifth switch. The second terminal of the first switch may be connected to the first terminal of the second switch and the first terminal of the first capacitor. The second terminal of the second switch may be connected to the first terminal of the third switch and the first terminal of the first inductor. The second terminal of the third switch may be connected to the second terminal of the first capacitor, the first terminal of the fourth switch, and the first terminal of the sixth switch. The second terminal of the fourth switch may be connected to ground. The second terminal of the fifth switch may be connected to the second terminal of the sixth switch and the first terminal of the second inductor. The second terminal of the first inductor may be connected to the output terminal of the converter and the second terminal of the second inductor.

[0006] According to one embodiment, an electronic device may include a converter including a first capacitor, a plurality of switches, a first inductor, and a second inductor, and a control circuit configured to control the plurality of switches of the converter. The converter may be configured to convert power provided through an input terminal of the converter and output the converted power through an output terminal of the converter. Based on a determination of a switching sequence for controlling the plurality of switches of the converter, during a first operation of the switching sequence of the converter, a first voltage of a first terminal of the first inductor may have a first value, and a second voltage of a first terminal of the second inductor may have a second value. During a second operation of the switching sequence of the converter, the first voltage of the first terminal of the first inductor may have the second value, and the second voltage of the first terminal of the second inductor may have the first value. The first value may be a voltage value corresponding to an input voltage of the input terminal of the converter. The second value may have a voltage level corresponding to the path of the first capacitor of the converter.

[0007] FIG. 1 is a block diagram of an electronic device within a network environment, according to one embodiment.

[0008] FIG. 2 is a block diagram of an electronic device according to one embodiment.

[0009] Figure 3 is a circuit diagram of a converter according to one embodiment.

[0010] Fig. 4 is a diagram explaining the circuit diagram and operation of a converter according to a comparative example.

[0011] FIG. 5 is a circuit diagram of a converter and control circuit according to one embodiment.

[0012] FIG. 6A is a diagram illustrating a first operation of a switching sequence of a converter according to one embodiment.

[0013] FIG. 6b is a diagram illustrating a second operation of a switching sequence of a converter according to one embodiment.

[0014] FIG. 6c is a diagram illustrating a third operation of a switching sequence of a converter according to one embodiment.

[0015] FIG. 6d is a diagram illustrating a fourth operation of a switching sequence of a converter according to one embodiment.

[0016] FIG. 7 is a flowchart of a method of operating an electronic device according to one embodiment.

[0017] FIG. 8A is a diagram illustrating the operation of an electronic device according to one embodiment.

[0018] FIG. 8b is a diagram illustrating the operation of an electronic device according to one embodiment.

[0019] FIG. 9 is a drawing illustrating the operation of an electronic device according to one embodiment.

[0020] FIG. 10 is a drawing illustrating the operation of an electronic device according to one embodiment.

[0021] FIG. 11 is a drawing illustrating the operation of an electronic device according to one embodiment.

[0022] FIG. 12 is a drawing illustrating the operation of an electronic device according to one embodiment.

[0023] FIG. 1 is a block diagram of an electronic device (101) within a network environment (100), according to one embodiment.

[0024] Referring to FIG. 1, in a network environment (100), an electronic device (101) may communicate with an electronic device (102) via a first network (198) (e.g., a short-range wireless communication network), or may communicate with at least one of an electronic device (104) or a server (108) via a second network (199) (e.g., a long-range wireless communication network). In one embodiment, the electronic device (101) may communicate with the electronic device (104) via the server (108). According to one embodiment, the electronic device (101) may include a processor (120), a memory (130), an input module (150), an audio output module (155), a display module (160), an audio module (170), a sensor module (176), an interface (177), a connection terminal (178), a haptic module (179), a camera module (180), a power management module (188), a battery (189), a communication module (190), a subscriber identification module (196), or an antenna module (197). In some embodiments, the electronic device (101) may omit at least one of these components (e.g., the connection terminal (178)), or may have one or more other components added. In some embodiments, some of these components (e.g., the sensor module (176), the camera module (180), or the antenna module (197)) may be integrated into one component (e.g., the display module (160)).

[0025] The processor (120) may, for example, execute software (e.g., a program (140)) to control at least one other component (e.g., a hardware or software component) of the electronic device (101) connected to the processor (120) and perform various data processing or operations. According to one embodiment, as at least a part of the data processing or operations, the processor (120) may store commands or data received from other components (e.g., a sensor module (176) or a communication module (190)) in a volatile memory (132), process the commands or data stored in the volatile memory (132), and store result data in a non-volatile memory (134). According to one embodiment, the processor (120) may include a main processor (121) (e.g., a central processing unit or an application processor) or an auxiliary processor (123) (e.g., a graphics processing unit, a neural processing unit (NPU), an image signal processor, a sensor hub processor, or a communication processor) that can operate independently or together with the main processor (121). For example, when the electronic device (101) includes the main processor (121) and the auxiliary processor (123), the auxiliary processor (123) may be configured to use less power than the main processor (121) or to be specialized for a given function. The auxiliary processor (123) may be implemented separately from the main processor (121) or as a part thereof.

[0026] The auxiliary processor (123) may control at least a portion of functions or states associated with at least one component (e.g., a display module (160), a sensor module (176), or a communication module (190)) of the electronic device (101), for example, on behalf of the main processor (121) while the main processor (121) is in an inactive (e.g., sleep) state, or together with the main processor (121) while the main processor (121) is in an active (e.g., application execution) state. In one embodiment, the auxiliary processor (123) (e.g., an image signal processor or a communication processor) may be implemented as a part of another functionally related component (e.g., a camera module (180) or a communication module (190)). In one embodiment, the auxiliary processor (123) (e.g., a neural network processing unit) may include a hardware structure specialized for processing artificial intelligence models. The artificial intelligence models may be generated through machine learning. This learning can be performed, for example, on the electronic device (101) itself where the artificial intelligence model is executed, or can be performed through a separate server (e.g., server (108)). The learning algorithm can include, for example, supervised learning, unsupervised learning, semi-supervised learning, or reinforcement learning, but is not limited to the examples described above. The artificial intelligence model can include multiple artificial neural network layers.The artificial neural network may be one of a deep neural network (DNN), a convolutional neural network (CNN), a recurrent neural network (RNN), a restricted Boltzmann machine (RBM), a deep belief network (DBN), a bidirectional recurrent deep neural network (BRDNN), a deep Q-network, or a combination of two or more of the above, but is not limited to the examples described above. In addition to, or alternatively to, a hardware structure, an artificial intelligence model may include a software structure.

[0027] The memory (130) can store various data used by at least one component (e.g., processor (120) or sensor module (176)) of the electronic device (101). The data can include, for example, software (e.g., program (140)) and input data or output data for commands related thereto. The memory (130) can include volatile memory (132) or non-volatile memory (134).

[0028] The program (140) may be stored as software in the memory (130) and may include, for example, an operating system (142), middleware (144), or an application (146).

[0029] The input module (150) can receive commands or data to be used in a component of the electronic device (101) (e.g., a processor (120)) from an external source (e.g., a user) of the electronic device (101). The input module (150) can include, for example, a microphone, a mouse, a keyboard, a key (e.g., a button), or a digital pen (e.g., a stylus pen).

[0030] The audio output module (155) can output audio signals to the outside of the electronic device (101). The audio output module (155) can include, for example, a speaker or a receiver. The speaker can be used for general purposes, such as multimedia playback or recording playback. The receiver can be used to receive incoming calls. In one embodiment, the receiver can be implemented separately from the speaker or as part of the speaker.

[0031] The display module (160) can visually provide information to an external party (e.g., a user) of the electronic device (101). The display module (160) may include, for example, a display, a holographic device, or a projector and a control circuit for controlling the device. According to one embodiment, the display module (160) may include a touch sensor configured to detect a touch, or a pressure sensor configured to measure the intensity of a force generated by the touch.

[0032] The audio module (170) can convert sound into an electrical signal, or vice versa, convert an electrical signal into sound. According to one embodiment, the audio module (170) can acquire sound through the input module (150), output sound through the sound output module (155), or an external electronic device (e.g., electronic device (102)) (e.g., speaker or headphone) directly or wirelessly connected to the electronic device (101).

[0033] The sensor module (176) can detect the operating status (e.g., power or temperature) of the electronic device (101) or the external environmental status (e.g., user status) and generate an electrical signal or data value corresponding to the detected status. According to one embodiment, the sensor module (176) can include, for example, a gesture sensor, a gyro sensor, a barometric pressure sensor, a magnetic sensor, an acceleration sensor, a grip sensor, a proximity sensor, a color sensor, an IR (infrared) sensor, a biometric sensor, a temperature sensor, a humidity sensor, or an illuminance sensor.

[0034] The interface (177) may support one or more designated protocols that may be used to directly or wirelessly connect the electronic device (101) with an external electronic device (e.g., the electronic device (102)). In one embodiment, the interface (177) may include, for example, a high definition multimedia interface (HDMI), a universal serial bus (USB) interface, an SD card interface, or an audio interface.

[0035] The connection terminal (178) may include a connector through which the electronic device (101) may be physically connected to an external electronic device (e.g., electronic device (102)). According to one embodiment, the connection terminal (178) may include, for example, an HDMI connector, a USB connector, an SD card connector, or an audio connector (e.g., a headphone connector).

[0036] The haptic module (179) can convert electrical signals into mechanical stimuli (e.g., vibration or movement) or electrical stimuli that a user can perceive through tactile or kinesthetic sensations. According to one embodiment, the haptic module (179) can include, for example, a motor, a piezoelectric element, or an electrical stimulation device.

[0037] The camera module (180) can capture still images and videos. According to one embodiment, the camera module (180) may include one or more lenses, image sensors, image signal processors, or flashes.

[0038] The power management module (188) can manage power supplied to the electronic device (101). According to one embodiment, the power management module (188) can be implemented as, for example, at least a part of a power management integrated circuit (PMIC).

[0039] A battery (189) may power at least one component of the electronic device (101). In one embodiment, the battery (189) may include, for example, a non-rechargeable primary battery, a rechargeable secondary battery, or a fuel cell.

[0040] The communication module (190) may support the establishment of a direct (e.g., wired) communication channel or a wireless communication channel between the electronic device (101) and an external electronic device (e.g., electronic device (102), electronic device (104), or server (108)), and the performance of communication through the established communication channel. The communication module (190) may operate independently from the processor (120) (e.g., application processor) and may include one or more communication processors that support direct (e.g., wired) communication or wireless communication. According to one embodiment, the communication module (190) may include a wireless communication module (192) (e.g., a cellular communication module, a short-range wireless communication module, or a global navigation satellite system (GNSS) communication module) or a wired communication module (194) (e.g., a local area network (LAN) communication module, or a power line communication module). Among these communication modules, the corresponding communication module can communicate with an external electronic device (104) via a first network (198) (e.g., a short-range communication network such as Bluetooth, wireless fidelity (WiFi) direct, or infrared data association (IrDA)) or a second network (199) (e.g., a long-range communication network such as a legacy cellular network, a 5G network, a next-generation communication network, the Internet, or a computer network (e.g., a LAN or WAN)). These various types of communication modules can be integrated into a single component (e.g., a single chip) or implemented as multiple separate components (e.g., multiple chips). The wireless communication module (192) can verify or authenticate the electronic device (101) within a communication network such as the first network (198) or the second network (199) by using subscriber information (e.g., an international mobile subscriber identity (IMSI)) stored in the subscriber identification module (196).

[0041] The wireless communication module (192) can support 5G networks and next-generation communication technologies following the 4G network, such as NR access technology (new radio access technology). The NR access technology can support high-speed transmission of high-capacity data (eMBB (enhanced mobile broadband)), minimization of terminal power and connection of multiple terminals (mMTC (massive machine type communications)), or high reliability and low latency (URLLC (ultra-reliable and low-latency communications)). The wireless communication module (192) can support, for example, a high-frequency band (e.g., mmWave band) to achieve a high data transmission rate. The wireless communication module (192) can support various technologies for securing performance in a high-frequency band, such as beamforming, massive multiple-input and multiple-output (MIMO), full dimensional MIMO (FD-MIMO), array antenna, analog beam-forming, or large scale antenna. The wireless communication module (192) can support various requirements specified in the electronic device (101), an external electronic device (e.g., the electronic device (104)), or a network system (e.g., the second network (199)). According to one embodiment, the wireless communication module (192) can support a peak data rate (e.g., 20 Gbps or more) for realizing 1eMBB, a loss coverage (e.g., 164 dB or less) for realizing mMTC, or a U-plane latency (e.g., 0.5 ms or less for downlink (DL) and uplink (UL), or 1 ms or less for round trip) for realizing URLLC.

[0042] The antenna module (197) can transmit or receive signals or power to or from an external device (e.g., an external electronic device). In one embodiment, the antenna module (197) may include an antenna including a radiator formed of a conductor or a conductive pattern formed on a substrate (e.g., a PCB). In one embodiment, the antenna module (197) may include a plurality of antennas (e.g., an array antenna). In this case, at least one antenna suitable for a communication method used in a communication network, such as the first network (198) or the second network (199), may be selected from the plurality of antennas, for example, by the communication module (190). A signal or power may be transmitted or received between the communication module (190) and an external electronic device via the at least one selected antenna. In some embodiments, in addition to the radiator, another component (e.g., a radio frequency integrated circuit (RFIC)) may be additionally formed as a part of the antenna module (197).

[0043] According to various embodiments, the antenna module (197) may form a mmWave antenna module. In one embodiment, the mmWave antenna module may include a printed circuit board, an RFIC disposed on or adjacent a first side (e.g., a bottom side) of the printed circuit board and capable of supporting a designated high-frequency band (e.g., a mmWave band), and a plurality of antennas (e.g., an array antenna) disposed on or adjacent a second side (e.g., a top side or a side side) of the printed circuit board and capable of transmitting or receiving signals in the designated high-frequency band.

[0044] At least some of the above components can be interconnected and exchange signals (e.g., commands or data) with each other via a communication method between peripheral devices (e.g., a bus, GPIO (general purpose input and output), SPI (serial peripheral interface), or MIPI (mobile industry processor interface)).

[0045] According to one embodiment, commands or data may be transmitted or received between the electronic device (101) and an external electronic device (104) via a server (108) connected to a second network (199). Each of the external electronic devices (102 or 104) may be the same or a different type of device as the electronic device (101). According to one embodiment, all or part of the operations executed in the electronic device (101) may be executed in one or more of the external electronic devices (102, 104, or 108). For example, when the electronic device (101) is to perform a certain function or service automatically or in response to a request from a user or another device, the electronic device (101) may, instead of or in addition to executing the function or service itself, request one or more external electronic devices to perform the function or at least a part of the service. One or more external electronic devices that receive the request may execute at least a portion of the requested function or service, or an additional function or service related to the request, and transmit the result of the execution to the electronic device (101). The electronic device (101) may process the result as is or additionally and provide it as at least a portion of a response to the request. For this purpose, cloud computing, distributed computing, mobile edge computing (MEC), or client-server computing technology may be used, for example. The electronic device (101) may provide an ultra-low latency service by using distributed computing or mobile edge computing, for example. In another embodiment, the external electronic device (104) may include an Internet of Things (IoT) device. The server (108) may be an intelligent server utilizing machine learning and / or a neural network. According to one embodiment, the external electronic device (104) or the server (108) may be included in the second network (199).The electronic device (101) can be applied to intelligent services (e.g., smart home, smart city, smart car, or healthcare) based on 5G communication technology and IoT-related technology.

[0046] An electronic device (101) according to one embodiment may include a processor (120) including a processing circuit. An electronic device (101) according to one embodiment may include a memory (130) including a storage circuit.

[0047] In this document, the electronic device (101) performing a specific operation may mean that various hardware included in the electronic device (101), for example, at least one processor (120) such as an MCU (micro controlling unit), an FPGA (field programmable gate array), an ASIC (application specific integrated circuit), a microprocessor, or an AP (application processor), performs the specific operation. The electronic device (101) performing the specific operation may also mean that at least one processor (120) controls other hardware to perform the specific operation. The electronic device (101) performing the specific operation may also mean that at least one instruction for performing the specific operation stored in a storage circuit of the electronic device (101) (e.g., the memory (130) of FIG. 1) is executed, thereby causing the processor (120) or other hardware to perform the specific operation. At least one instruction stored in the memory (130) of the electronic device (101), when executed by at least one processor (120), may cause the electronic device (101) to perform at least one operation. Even when a plurality of processors (120) are implemented, for convenience of explanation, the instructions may be described as “operations of the electronic device (101),” “operations of the processor (120),” or “operations of at least one processor (120).”

[0048] FIG. 2 is a block diagram of an electronic device (101) according to one embodiment. FIG. 3 is a circuit diagram of an electronic device (101) according to one embodiment.

[0049] According to one embodiment, the electronic device (101) may include at least some of the components disclosed in FIG. 2.

[0050] Referring to FIG. 2, according to one embodiment, the electronic device (101) may include a converter (210), a control circuit (220), a battery (230), and / or a load (240).

[0051] According to one embodiment, the converter (210) may be configured to convert power (e.g., input power) provided through an input terminal of the converter (210) and output the converted power (e.g., output power) through an output terminal of the converter (210). The electronic device (101) may convert power through the converter (210). The electronic device (101) may provide output power to a battery (230) and / or a load (240) through the converter (210). The converter (210) may include a plurality of switches (e.g., metal-oxide-semiconductor field effect transistors (MOSFETs)). A circuit diagram of the converter (210) will be described below with reference to FIG. 3.

[0052] According to one embodiment, the control circuit (220) may be configured to control the converter (210). For example, the electronic device (101) may control a plurality of switches (e.g., 301, 302, 303, 304, 305, 306 of FIG. 3) of the converter (210) through the control circuit (220). A circuit diagram of the control circuit (220) will be described below with reference to FIG. 5.

[0053] In one embodiment, the battery (230) may be configured to be charged based on the output power provided through the converter (210). The electronic device (101) may charge the battery (230) based on the output power provided through the converter (210).

[0054] In one embodiment, the load (240) may be configured to operate based on the output power provided through the converter (210). A component of the electronic device (101) including the processor (120), the camera, and the audio may be referred to as the load (240). The electronic device (101) may operate the load (240) based on the output power provided through the converter (210).

[0055] Fig. 3 is a circuit diagram of a converter (210) according to one embodiment. Fig. 4 is a diagram explaining a circuit diagram and operation of a converter according to a comparative example.

[0056] Fig. 3 is a circuit diagram of a converter (210) according to one embodiment. Fig. 4 is a diagram explaining the circuit diagram and operation of a converter according to a comparative example. The configurations according to the comparative example of Fig. 4 (e.g., the converter according to the comparative example) are mentioned to emphasize the features of the configurations according to the embodiment of Fig. 3 (e.g., the converter (210)). Even though the terms of the configurations according to the comparative example are the same as the terms of the configurations according to the embodiment of the present disclosure, it is understood by those skilled in the art that this is only for comparison and that the configurations according to the embodiment of the present disclosure are not limited by the configurations according to the comparative example.

[0057] The converter of Fig. 4 (a) may have a structure in which a first 3-level converter (e.g., a converter including four switches (QA1, QA2, QA3, QA4), one capacitor, and one inductor (L1)) and a second 3-level converter (e.g., a converter including four switches (QB1, QB2, QB3, QB4), one capacitor, and one inductor (L2)) are connected in parallel. This may be referred to as a dual phase parallel structure system. The converter of Fig. 4 (a) may include a total of eight switches, two capacitors, and two inductors.

[0058] In the case of the converter of the comparative example, the voltages (e.g., VLX1, VLX2) applied to the two inductors (e.g., L1, L2) become in-phase due to the switching sequence of Fig. 4 (b), so that the phase difference between the currents of the two inductors does not occur, and thus the current ripple reduction effect due to interleaving may not occur.

[0059] Referring to Fig. 3,

[0060] According to one embodiment, the converter (210) may include a first switch (301), a second switch (302), a third switch (303), a fourth switch (304), a fifth switch (305), a sixth switch (306), a first capacitor (310), a first inductor (321), and a second inductor (322). Referring to FIG. 3, a first terminal of the first switch (301) may be connected to an input terminal of the converter (210) and a first terminal of the fifth switch (305). A second terminal of the first switch (301) may be connected to a first terminal of the second switch (302) and a first terminal of the first capacitor (310). A second terminal of the second switch (302) may be connected to a first terminal of the third switch (303) and a first terminal of the first inductor (321). The second terminal of the third switch (303) may be connected to the second terminal of the first capacitor (310), the first terminal of the fourth switch (304), and the first terminal of the sixth switch (306). The second terminal of the fourth switch (304) may be connected to ground. The second terminal of the fifth switch (305) may be connected to the second terminal of the sixth switch (306) and the first terminal of the second inductor (322). The second terminal of the first inductor (321) may be connected to the output terminal of the converter (210) and the second terminal of the second inductor (322). The converter (210) may be configured to convert power provided through an input terminal and output the converted power through an output terminal. The electronic device (101) can convert an input voltage (e.g., VIN) into an output voltage (e.g., Vo) through a converter (210).

[0061] FIG. 5 is a circuit diagram of a converter (210) and a control circuit (220) according to one embodiment.

[0062] Referring to FIG. 5, a control circuit (220) that controls the converter (210) can be described.

[0063] Referring to FIG. 5, according to one embodiment, the control circuit (220) may provide drive signals (e.g., QA1, QA2, QA3, QA4, QB1, QB2) for controlling a plurality of switches (e.g., 301, 302, 303, 304, 305, 306) of the converter (210) based on an output voltage (e.g., Vo) of the converter (210).

[0064] According to one embodiment, the control circuit (220) may include a voltage comparator (510) configured to output a voltage comparator output signal (e.g., Vcntrl) by comparing an output voltage (e.g., Vo) of an output terminal of the converter (210) with a reference voltage (e.g., Vo_REF). The electronic device (101) may output the voltage comparator output signal (e.g., Vcntrl) by comparing an output voltage (e.g., Vo) of an output terminal of the converter (210) with a reference voltage (e.g., Vo_REF) using the voltage comparator (510) of the control circuit (220).

[0065] According to one embodiment, the control circuit (220) may include a first comparator (521) configured to output a first signal by comparing a voltage comparator output signal (e.g., Vcntrl) with a first sawtooth wave (e.g., VCT1). The electronic device (101) may output the first signal by comparing the voltage comparator output signal (e.g., Vcntrl) with the first sawtooth wave (e.g., VCT1) using the first comparator (521) of the control circuit (220). For example, the first signal of the first comparator (521) may be high (e.g., 1) during a period in which the voltage comparator output signal (e.g., Vcntrl) is greater than the first sawtooth wave (e.g., VCT1). The first signal of the first comparator (521) may be low (e.g., 0) during a period in which the voltage comparator output signal (e.g., Vcntrl) is less than the first sawtooth wave (e.g., VCT1).

[0066] According to one embodiment, the control circuit (220) may include a second comparator (522) configured to output a second signal by comparing a voltage comparator output signal (e.g., Vcntrl) with a second sawtooth wave (e.g., VCT2). The electronic device (101) may output the second signal by comparing the voltage comparator output signal (e.g., Vcntrl) with the second sawtooth wave (e.g., VCT2) using the second comparator (522) of the control circuit (220). A phase difference between the first sawtooth wave (e.g., VCT1) and the second sawtooth wave (e.g., VCT2) may be 180 degrees. For example, the second signal of the second comparator (522) may be high (e.g., 1) during a period in which the voltage comparator output signal (e.g., Vcntrl) is greater than the second sawtooth wave (e.g., VCT2). The second signal of the second comparator (522) may be low (e.g., 0) during a period in which the voltage comparator output signal (e.g., Vcntrl) is less than the second sawtooth wave (e.g., VCT2).

[0067] According to one embodiment, the control circuit (220) may include a plurality of logic gates (e.g., 531, 532, 533, 534) configured to provide a first drive signal (e.g., QA1) of the first switch (301), a second drive signal (e.g., QA2) of the second switch (302), a third drive signal (e.g., QA3) of the third switch (303), a fourth drive signal (e.g., QA4) of the fourth switch (304), a fifth drive signal (e.g., QB1) of the fifth switch (305), and a sixth drive signal (e.g., QB2) of the sixth switch (306) based on a first signal of the first comparator (521) and a second signal of the second comparator (522). For example, the control circuit (220) may include an inversion logic gate (531), a sum logic gate (532), an inversion logic gate (533), and an inversion logic gate (534). For example, referring to FIG. 5, a first drive signal (e.g., QA1) may correspond to a first signal of a first comparator (521). A second drive signal (e.g., QA2) may correspond to a sum of a first signal of a first comparator (521) and a second signal of a second comparator (522). A third drive signal (e.g., QA3) may correspond to an inversion of a sum of a first signal of a first comparator (521) and a second signal of a second comparator (522). A fourth drive signal (e.g., QA4) may correspond to an inversion of a first signal of a first comparator (521). The fifth driving signal (e.g., QB1) may correspond to the second signal of the second comparator (522). The sixth driving signal (e.g., QB2) may correspond to the inversion of the second signal of the second comparator (522).

[0068] The switching sequence of the converter (210) can be described with reference to FIGS. 6a, 6b, 6c, and 6d.

[0069] FIG. 6A is a diagram illustrating a first operation of a switching sequence of a converter according to one embodiment. FIG. 6B is a diagram illustrating a second operation of a switching sequence of a converter according to one embodiment. FIG. 6C is a diagram illustrating a third operation of a switching sequence of a converter according to one embodiment. FIG. 6D is a diagram illustrating a fourth operation of a switching sequence of a converter according to one embodiment.

[0070] Referring to FIG. 6A, according to one embodiment, the electronic device (101) may control the converter (210) to perform a first operation of a switching sequence using the control circuit (220). The first operation may include controlling the first switch (301), the second switch (302), and the fifth switch (305) to turn on, and controlling the third switch (303), the fourth switch (304), and the sixth switch (306) to turn off.

[0071] Referring to FIG. 6B, according to one embodiment, the electronic device (101) may control the converter (210) to perform a second operation of the switching sequence using the control circuit (220). The second operation may include turning on the first switch (301), the second switch (302), and the sixth switch (306), and turning off the third switch (303), the fourth switch (304), and the fifth switch (305). For example, during a period corresponding to the second operation of FIG. 6B, a first capacitor (310) (e.g., a flying capacitor) may be connected between the input terminal of the converter (210) and the second inductor (322). During this period, the first capacitor (310) (e.g., a flying capacitor) may be charged using the current of the second inductor (322).

[0072] Referring to FIG. 6C, according to one embodiment, the electronic device (101) may control the converter (210) to perform a third operation of the switching sequence using the control circuit (220). The third operation may include controlling the second switch (302), the fourth switch (304), and the fifth switch (305) to turn on, and controlling the first switch (301), the third switch (303), and the sixth switch (306) to turn off. For example, during a period corresponding to the third operation of FIG. 6C, the first capacitor (310) (e.g., a flying capacitor) may be connected to the first inductor (321). During this period, the first capacitor (310) (e.g., a flying capacitor) may be discharged using the current of the first inductor (321). For example, if the period corresponding to the second operation of FIG. 6b and the period corresponding to the third operation of FIG. 6c are the same during one switching cycle, the voltage of the first capacitor (310) (e.g., flying capacitor) can be maintained at half the input voltage of the input terminal of the converter (210), and the current of the first inductor (321) and the current of the second inductor (322) can be balanced. The voltage of the first inductor (321) (e.g., voltage of the first end of the first inductor (321)) (e.g., VLX1) and the voltage of the second inductor (322) (e.g., voltage of the first end of the second inductor (322)) (e.g., VLX2) can have a phase difference of 180 degrees, and a ripple reduction effect due to interleaving can occur.

[0073] Referring to FIG. 6D, according to one embodiment, the electronic device (101) may control the converter (210) to perform a fourth operation of the switching sequence using the control circuit (220). The fourth operation may include controlling the third switch (303), the fourth switch (304), and the sixth switch (306) to turn on, and controlling the first switch (301), the second switch (302), and the fifth switch (305) to turn off.

[0074] According to one embodiment, the electronic device (101) may perform an operation corresponding to a specific switching sequence among a plurality of switching sequences by using the converter (210). For example, a first switching sequence among the plurality of switching sequences of the converter (210) may include the first operation of FIG. 6A, the second operation of FIG. 6B, the first operation of FIG. 6A, and the third operation of FIG. 6C. For example, a second switching sequence among the plurality of switching sequences of the converter (210) may include the second operation of FIG. 6B, the fourth operation of FIG. 6D, the third operation of FIG. 6C, and the fourth operation of FIG. 6D. The plurality of switching sequences (e.g., the first switching sequence and the second switching sequence) will be described below with reference to FIGS. 8A and 8B.

[0075] The operations of the electronic device (101) can be described in detail with reference to the embodiments described above (e.g., the embodiments of FIGS. 1 to 6D) and the embodiments described below (e.g., the embodiments of FIGS. 8A, 8B, and 9 to 12). Although each embodiment is disclosed in a separate drawing and a separate paragraph, this is only for convenience of explanation, and at least some of the embodiments described above and at least some of the embodiments described below can be applied together. At least some of the embodiments described above and at least some of the embodiments described below may be omitted.

[0076] FIG. 7 is a flowchart of a method of operating an electronic device according to one embodiment.

[0077] At least some of the operations of FIG. 7 may be omitted. The order of the operations of FIG. 7 may be changed. Operations other than those of FIG. 7 may be performed before, during, or after the operations of FIG. 7.

[0078] Referring to FIG. 7, in operation 701, according to one embodiment, the electronic device (101) (e.g., the converter (210) of the electronic device (101)) may receive input power. For example, the converter (210) of the electronic device (101) may receive input power from an external power source (e.g., an adapter). For example, the converter (210) of the electronic device (101) may receive input power from an internal power source (e.g., a power source of the electronic device (101). There is no limitation on the source of the input power provided to the converter (210).

[0079] In operation 703, according to one embodiment, the electronic device (101) may perform a converting operation on input power using the converter (210). The converting operation may be an operation of converting input power into output power. The electronic device (101) may perform the converting operation on the input power by controlling a plurality of switches (e.g., 301, 302, 303, 304, 305, 306 of FIG. 3) of the converter (210) using the control circuit (220). The electronic device (101) may control the plurality of switches (e.g., 301, 302, 303, 304, 305, 306 of FIG. 3) of the converter (210) based on at least one of the plurality of switching sequences. The electronic device (101) can provide output power by performing a conversion operation on input power using the converter (210). For example, the electronic device (101) can charge the battery (230) based on the output power provided through the converter (210). For example, the electronic device (101) can operate the load (240) based on the output power provided through the converter (210).

[0080] In operation 705, according to one embodiment, the electronic device (101) may adjust the driving signals (e.g., QA1, QA2, QA3, QA4, QB1, QB2 of FIG. 5) of the converter (210) based on the output voltage (e.g., Vo of FIG. 5) of the converter (210). For example, the switching sequence of the converter (210) may be determined based on the output voltage (e.g., Vo of FIG. 5) of the converter (210). For example, the electronic device (101) may determine the switching sequence of the converter (210) based on the output voltage (e.g., Vo of FIG. 5) of the converter (210). For example, an operation in which the driving signal of the converter (210) (e.g., QA1, QA2, QA3, QA4, QB1, QB2 of FIG. 5) is adjusted based on the output voltage of the converter (210) (e.g., Vo of FIG. 5) can be understood as an operation in which the switching sequence of the converter (210) is determined. According to one embodiment, the electronic device (101) can cause a ripple reduction effect by interleaving by adjusting a driving signal (e.g., QA1, QA2, QA3, QA4, QB1, QB2 of FIG. 5) of the converter (210), which includes a first capacitor (310), a plurality of switches (e.g., 301, 302, 303, 304, 305, 306), a first inductor (321), and a second inductor (322), based on an output voltage (e.g., Vo of FIG. 5) of the converter (210). The operation of 705 will be described in detail with reference to FIGS. 8A, 8B, and 9 to 12.

[0081] In operation 707, according to one embodiment, the electronic device (101) may perform a converting operation through the converter (210) based on an adjusted driving signal (e.g., QA1, QA2, QA3, QA4, QB1, QB2 of FIG. 5). For example, the electronic device (101) may perform a converting operation by a switch sequence by controlling a plurality of switches (e.g., 301, 302, 303, 304, 305, 306) based on the adjusted driving signal (e.g., QA1, QA2, QA3, QA4, QB1, QB2 of FIG. 5).

[0082] Actions 705 and 707 can be specifically described with reference to FIGS. 8a, 8b, and 9 to 12.

[0083] FIG. 8A is a diagram illustrating the operation of an electronic device (101) according to one embodiment. FIG. 8B is a diagram illustrating the operation of an electronic device (101) according to one embodiment. FIG. 9 is a diagram illustrating the operation of an electronic device (101) according to one embodiment. FIG. 10 is a diagram illustrating the operation of an electronic device (101) according to one embodiment. FIG. 11 is a diagram illustrating the operation of an electronic device (101) according to one embodiment. FIG. 12 is a diagram illustrating the operation of an electronic device (101) according to one embodiment.

[0084] According to one embodiment, the electronic device (101) may perform an operation corresponding to a specific switching sequence among a plurality of switching sequences, such as operation 705 and operation 707, using the converter (210).

[0085] FIG. 8A may be a diagram illustrating a first switching sequence among a plurality of switching sequences of a converter (210) according to one embodiment. For example, the first switching sequence of FIG. 8A may be a switching sequence when the duty cycle of a driving signal (e.g., QA1 and QB1 of FIG. 8A) exceeds 0.5 (e.g., 50%). The first switching sequence of the converter (210) may include the operation of FIG. 6A, the operation of FIG. 6B, the operation of FIG. 6A, and the operation of FIG. 6C.

[0086] Referring to FIG. 8A, according to one embodiment, during a first period (e.g., t1 to t2 of FIG. 8A) during which a first operation of a first switching sequence (e.g., the operation of FIG. 6A) is performed, the electronic device (101) may control the first switch (301), the second switch (302), and the fifth switch (305) to be turned on, and control the third switch (303), the fourth switch (304), and the sixth switch (306) to be turned off, using the control circuit (220). During a first period (e.g., t1 to t2 of FIG. 8a) during which a first operation of a first switching sequence (e.g., operation of FIG. 6a) is performed, a first voltage (e.g., VLX1) of a first terminal of a first inductor (321) may have a first value (e.g., Vin), a first current (e.g., current flowing from the first terminal of the first inductor (321) to the second terminal (e.g., IL1) of the first inductor (321) may increase, and a second voltage (e.g., VLX2) of a first terminal of a second inductor (322) may have a first value (e.g., Vin), and a second current (e.g., current flowing from the first terminal of the second inductor (322) to the second terminal (e.g., IL2) of the second inductor (322) may increase. The first value (e.g., Vin) may be a value corresponding to the input voltage (e.g., VIN) of the input terminal of the converter (210).

[0087] Referring to FIG. 8A, according to one embodiment, during a second period (e.g., t2 to t3 of FIG. 8A) during which a second operation of the first switching sequence (e.g., the operation of FIG. 6B) is performed, the electronic device (101) may control the first switch (301), the second switch (302), and the sixth switch (306) to be turned on, and control the third switch (303), the fourth switch (304), and the fifth switch (305) to be turned off, using the control circuit (220). During a second period (e.g., t2 to t3 of FIG. 8A) during which a second operation of the first switching sequence (e.g., the operation of FIG. 6B) is performed, a first voltage (e.g., VLX1) of a first terminal of the first inductor (321) may have a first value (e.g., Vin), a first current (e.g., IL1) of the first inductor (321) may increase, a second voltage (e.g., VLX2) of a first terminal of the second inductor (322) may have a second value (e.g., Vin / 2), and a second current (e.g., IL2) of the second inductor (322) may decrease. The second value (e.g., Vin / 2) may be a value corresponding to half of an input voltage (e.g., VIN) of an input terminal of the converter (210).

[0088] Referring to FIG. 8A, according to one embodiment, during a third period (e.g., t3 to t4 of FIG. 8A) during which a third operation of the first switching sequence (e.g., the operation of FIG. 6A) is performed, the electronic device (101) may control the first switch (301), the second switch (302), and the fifth switch (305) to be turned on, and control the third switch (303), the fourth switch (304), and the sixth switch (306) to be turned off, using the control circuit (220). During a third period (e.g., t3 to t4 of FIG. 8a) during which a third operation of the first switching sequence (e.g., the operation of FIG. 6a) is performed, a first voltage (e.g., VLX1) of a first end of the first inductor (321) may have a first value (e.g., Vin), a first current (e.g., IL1) of the first inductor (321) may increase, and a second voltage (e.g., VLX2) of a first end of the second inductor (322) may have a first value (e.g., Vin), and a second current (e.g., IL2) of the second inductor (322) may increase.

[0089] Referring to FIG. 8A, according to one embodiment, during a fourth period (e.g., t4 to t5 of FIG. 8A) during which the fourth operation of the first switching sequence (e.g., the operation of FIG. 6C) is performed, the electronic device (101) may control the second switch (302), the fourth switch (304), and the fifth switch (305) to be turned on, and control the first switch (301), the third switch (303), and the sixth switch (306) to be turned off, using the control circuit (220). During the fourth period (e.g., t4 to t5 of FIG. 8a) during which the fourth operation of the first switching sequence (e.g., the operation of FIG. 6c) is performed, the first voltage (e.g., VLX1) of the first terminal of the first inductor (321) may have a second value (e.g., Vin / 2), the first current (e.g., IL1) of the first inductor (321) may decrease, and the second voltage (e.g., VLX2) of the first terminal of the second inductor (322) may have a first value (e.g., Vin), and the second current (e.g., IL2) of the second inductor (322) may increase.

[0090] FIG. 8B may be a diagram illustrating a second switching sequence among a plurality of switching sequences of the converter (210) according to one embodiment. For example, the second switching sequence of FIG. 8B may be a switching sequence when the duty cycle of the driving signal (QA1 and QB1 of FIG. 8B) is less than 0.5 (e.g., 50%). The second switching sequence of the converter (210) may include the operation of FIG. 6B, the operation of FIG. 6D, the operation of FIG. 6C, and the operation of FIG. 6D.

[0091] Referring to FIG. 8B, according to one embodiment, during a fifth period (e.g., t6 to t7 of FIG. 8B) during which a fifth operation of the second switching sequence (e.g., the operation of FIG. 6B) is performed, the electronic device (101) may control the first switch (301), the second switch (302), and the sixth switch (306) to be turned on, and control the third switch (303), the fourth switch (304), and the fifth switch (305) to be turned off, using the control circuit (220). During a fifth period (e.g., t6 to t7 of FIG. 8B) during which a fifth operation (e.g., the operation of FIG. 6B) of the second switching sequence is performed, a first voltage (e.g., VLX1) of a first terminal of the first inductor (321) may have a first value (e.g., Vin), a first current (e.g., IL1) of the first inductor (321) may increase, a second voltage (e.g., VLX2) of a first terminal of the second inductor (322) may have a second value (e.g., Vin / 2), and a second current (e.g., IL2) of the second inductor (322) may be maintained constant. The first value (e.g., Vin) may be a value corresponding to an input voltage (e.g., VIN) of an input terminal of the converter (210). The second value (e.g., Vin / 2) may be a value corresponding to half of an input voltage (e.g., VIN) of an input terminal of the converter (210). According to one embodiment, during a fifth period during which a fifth operation of the second switching sequence (e.g., the operation of FIG. 6B) is performed, the second current (e.g., IL2) of the second inductor (322) may vary (e.g., decrease). For example, the amount of change in the second current (e.g., IL2) of the second inductor (322) during the fifth period during which the fifth operation of the second switching sequence (e.g., the operation of FIG. 6B) is performed may be less than the amount of change in the second current (e.g., IL2) of the second inductor (322) during the second period (e.g., t2 to t3 of FIG. 8A) during which the second operation of the first switching sequence (e.g., the operation of FIG. 6B) is performed. For example, when the amount of change in the second current (e.g., IL2) of the second inductor (322) is less than a reference value, it can be said that the second current (e.g., IL2) of the second inductor (322) is maintained.

[0092] Referring to FIG. 8B, according to one embodiment, during a sixth period (e.g., t7 to t8 of FIG. 8B) during which the sixth operation of the second switching sequence (e.g., the operation of FIG. 6D) is performed, the electronic device (101) can control the third switch (303), the fourth switch (304), and the sixth switch (306) to be turned on, and control the first switch (301), the second switch (302), and the fifth switch (305) to be turned off, using the control circuit (220). During a sixth period (e.g., t7 to t8 of FIG. 8b) during which the sixth operation of the second switching sequence (e.g., the operation of FIG. 6d) is performed, the first voltage (e.g., VLX1) of the first terminal of the first inductor (321) may have a third value (e.g., 0), the first current (e.g., IL1) of the first inductor (321) may decrease, the second voltage (e.g., VLX2) of the first terminal of the second inductor (322) may have a third value (e.g., 0), and the second current (e.g., IL2) of the second inductor (322) may decrease. The third value (e.g., 0) may be a value corresponding to ground.

[0093] Referring to FIG. 8B, according to one embodiment, during a seventh period (e.g., t8 to t9 of FIG. 8B) during which the seventh operation of the second switching sequence (e.g., the operation of FIG. 6C) is performed, the electronic device (101) can control the second switch (302), the fourth switch (304), and the fifth switch (305) to be turned on, and control the first switch (301), the third switch (303), and the sixth switch (306) to be turned off, using the control circuit (220). During a seventh period (e.g., t8 to t9 of FIG. 8b) during which the seventh operation (e.g., the operation of FIG. 6c) of the second switching sequence is performed, the first voltage (e.g., VLX1) of the first terminal of the first inductor (321) has a second value (e.g., Vin / 2), the first current (e.g., IL1) of the first inductor (321) is maintained constant, the second voltage (e.g., VLX2) of the first terminal of the second inductor (322) has a first value (e.g., Vin), and the second current (e.g., IL2) of the second inductor (322) may increase. In one embodiment, during the seventh period during which the seventh operation (e.g., the operation of FIG. 6c) of the second switching sequence is performed, the first current (e.g., IL1) of the first inductor (321) may vary (e.g., decrease). For example, the amount of change in the first current (e.g., IL1) of the first inductor (321) during the seventh period in which the seventh operation (e.g., the operation of FIG. 6C) of the second switching sequence is performed may be smaller than the amount of change in the first current (e.g., IL1) of the first inductor (321) during the fourth period (e.g., t4 to t5 of FIG. 8A) in which the fourth operation (e.g., the operation of FIG. 6C) of the first switching sequence is performed. For example, when the amount of change in the first current (e.g., IL1) of the first inductor (321) is smaller than a reference value, it can be expressed that the first current (e.g., IL1) of the first inductor (321) is maintained.

[0094] Referring to FIG. 8b, according to one embodiment, the eighth operation of the second switching sequence (e.g., the operation of FIG. 6d) is performed during the eighth period (e.g., t9 to t of FIG. 8b). 10), the electronic device (101) can control the third switch (303), the fourth switch (304), and the sixth switch (306) to be turned on and the first switch (301), the second switch (302), and the fifth switch (305) to be turned off using the control circuit (220). During the eighth period (e.g., t9 to t of FIG. 8b) in which the eighth operation of the second switching sequence (e.g., the operation of FIG. 6d) is performed 10 ), the first voltage (e.g., VLX1) of the first terminal of the first inductor (321) may have a third value (e.g., 0), the first current (e.g., IL1) of the first inductor (321) may decrease, the second voltage (e.g., VLX2) of the first terminal of the second inductor (322) may have a third value (e.g., 0), and the second current (e.g., IL2) of the second inductor (322) may decrease.

[0095] Referring to FIG. 9, according to one embodiment, an interleaving effect of a circuit including a converter (210) can be described. In FIG. 9, “Vcon” is a graph representing voltages (e.g., VLX1, VLX2) of inductors included in the converter of the comparative example of FIG. 4. In FIG. 9, “Icon” is a graph representing currents (e.g., IL1, IL2) of inductors included in the converter of the comparative example of FIG. 4. In FIG. 9, “Vpro” is a graph representing voltages (e.g., VLX1, VLX2) of inductors (321; 322) included in the converter (210) of one embodiment of FIG. 3. In FIG. 9, “Ipro” is a graph representing currents (e.g., IL1, IL2) of inductors (321; 322) included in the converter (210) of one embodiment of FIG. 3. In FIG. 9, “I” is a graph representing the sum of currents of inductors included in the converter of the comparative example of FIG. 4 (e.g., IL1+IL2(con)) and the sum of currents of inductors (321; 322) included in the converter (210) of one embodiment of FIG. 3 (e.g., IL1+IL2(pro)).

[0096] Referring to “Vcon” and “Icon” in Fig. 9, the voltages of the inductors (e.g., VLX1, VLX2) included in the converter of the comparative example of Fig. 4 are in phase, and accordingly, the interleaving effect may not occur in the currents of the inductors (e.g., IL1, IL2) included in the converter of Fig. 4.

[0097] Referring to "Vpro" and "Ipro" of FIG. 9, it can be confirmed that an interleaving effect occurs in the currents (e.g., IL1, IL2) of the inductors (321; 322) included in the converter (210) according to one embodiment. Accordingly, referring to "I" of FIG. 9, it can be confirmed that the ripple of the sum of the currents (e.g., IL1+IL2(pro)) of the inductors (321; 322) included in the converter (210) of one embodiment of FIG. 3 is smaller than the sum of the currents (e.g., IL1+IL2(con)) of the inductors included in the converter of the comparative example of FIG. 4.

[0098] Referring to FIGS. 10 and 11, it can be confirmed that, according to one embodiment, when a 5% duty cycle mismatch is applied, a balancing effect of the inductor current and a balancing effect of the capacitor voltage are generated by the converter (210) and the control circuit (220). In FIGS. 10 and 11, “Ipro” is a graph representing currents (e.g., IL1, IL2) of inductors (321; 322) included in the converter (210) of one embodiment. In FIGS. 10 and 11, “Icon” is a graph representing currents (e.g., IL1, IL2) of inductors included in the converter of the comparative example of FIG. 4. In FIGS. 10 and 11, “V” is a graph representing the voltages of capacitors (e.g., VCF1, VCF2) included in the converter of the comparative example of FIG. 4 and the voltage (e.g., VCF) of the capacitor (310) included in the converter (210) of the embodiment of FIG. 3. Referring to FIGS. 10 and 11, it can be confirmed that no balancing effect occurs in the voltages of capacitors (e.g., VCF1, VCF2) included in the converter of the comparative example of FIG. 4, while a balancing effect occurs in the voltage (e.g., VCF) of the capacitor (310) included in the converter (210) of the embodiment of FIG. 3.

[0099] Referring to FIG. 12, according to one embodiment, the balancing effect of the voltage (e.g., VCF) of the capacitor (310) included in the converter (210) can be described.

[0100] In FIG. 12, “I” is a graph representing currents (e.g., IL1, IL2) of inductors (321; 322) included in a converter (210) of one embodiment. In FIG. 12, “V” is a graph representing a voltage (e.g., VCF) of a capacitor (310) included in a converter (210) of one embodiment. According to one embodiment, in FIG. 12, when the duty cycle of the first driving signal (e.g., QA1) of the first switch (301) is greater than the fifth driving signal (e.g., QB1) of the fifth switch (305), due to the duty cycle mismatch, the time for the first current (e.g., IL1) of the first inductor (321) to rise may become longer, and the first current (e.g., IL1) of the first inductor (321) may rise compared to the second current (e.g., IL2) of the second inductors (322). When the duty cycle of the first driving signal (e.g., QA1) of the first switch (301) increases, the time for the first capacitor (310) (e.g., flying capacitor) to be charged using the first current (e.g., IL1) of the first inductor (321) may increase. The conduction time of the fourth driving signal (e.g., QA4) of the fourth switch (304) may decrease. The duty cycle of the sixth driving signal (e.g., QB2) of the sixth switch (305) may increase. The discharge time for discharging the first capacitor (310) (e.g., flying capacitor) may increase. The voltage of the first capacitor (310) (e.g., flying capacitor) may be maintained at a certain level. The second current (e.g., IL2) of the second inductor (322) may be relatively small compared to the first current (e.g., IL1) of the first inductor (321).

[0101] Those skilled in the art will appreciate that the embodiments described herein may be applied interchangeably, within the scope of their applicability. For example, those skilled in the art will appreciate that at least some operations of one embodiment described herein may be omitted and applied, or at least some operations of one embodiment may be applied in conjunction.

[0102] The technical tasks to be achieved in this document are not limited to the technical tasks mentioned above, and other technical tasks not mentioned will be clearly understood by those with ordinary skill in the technical field to which this document pertains from the description below.

[0103] The effects that can be obtained from the present disclosure are not limited to the effects mentioned above, and other effects that are not mentioned can be clearly understood by a person having ordinary skill in the art to which the present disclosure belongs from the description below.

[0104] According to one embodiment, the converter (210) may include a first switch (301), a second switch (302), a third switch (303), a fourth switch (304), a fifth switch (305), a sixth switch (306), a first capacitor (310), a first inductor (321), and a second inductor (322). A first terminal of the first switch (301) may be connected to an input terminal of the converter (210) and a first terminal of the fifth switch (305). A second terminal of the first switch (301) may be connected to a first terminal of the second switch (302) and a first terminal of the first capacitor (310). A second terminal of the second switch (302) may be connected to a first terminal of the third switch (303) and a first terminal of the first inductor (321). The second terminal of the third switch (303) may be connected to the second terminal of the first capacitor (310), the first terminal of the fourth switch (304), and the first terminal of the sixth switch (306). The second terminal of the fourth switch (304) may be connected to ground. The second terminal of the fifth switch (305) may be connected to the second terminal of the sixth switch (306) and the first terminal of the second inductor (322). The second terminal of the first inductor (321) may be connected to the output terminal of the converter (210) and the second terminal of the second inductor (322). The converter (210) may be configured to convert power provided through the input terminal and output the converted power through the output terminal.

[0105] According to one embodiment, the electronic device (101) may include a converter (210), a battery (189, 230) electrically connected to an output terminal of the converter (210), and a control circuit (220) configured to control the converter (210). The converter (210) may include a first switch (301), a second switch (302), a third switch (303), a fourth switch (304), a fifth switch (305), a sixth switch (306), a first capacitor (310), a first inductor (321), and a second inductor (322). A first terminal of the first switch (301) may be connected to an input terminal of the converter (210) and a first terminal of the fifth switch (305). The second terminal of the first switch (301) may be connected to the first terminal of the second switch (302) and the first terminal of the first capacitor (310). The second terminal of the second switch (302) may be connected to the first terminal of the third switch (303) and the first terminal of the first inductor (321). The second terminal of the third switch (303) may be connected to the second terminal of the first capacitor (310), the first terminal of the fourth switch (304), and the first terminal of the sixth switch (306). The second terminal of the fourth switch (304) may be connected to ground. The second terminal of the fifth switch (305) may be connected to the second terminal of the sixth switch (306) and the first terminal of the second inductor (322). The second terminal of the first inductor (321) may be connected to the output terminal of the converter (210) and the second terminal of the second inductor (322). The control circuit (220) may be configured to control the first switch (301), the second switch (302), the third switch (303), the fourth switch (304), the fifth switch (305), and the sixth switch (306). The converter (210) may be configured to convert power provided through the input terminal and output the converted power through the output terminal.

[0106] According to one embodiment, the control circuit (220) may be configured to control the first switch (301), the second switch (302), and the fifth switch (305) to be turned on, and to control the third switch (303), the fourth switch (304), and the sixth switch (306) to be turned off, during a first period during which a first operation of a first switching sequence among a plurality of switching sequences of the converter (210) is performed. The control circuit (220) may be configured to control the first switch (301), the second switch (302), and the sixth switch (306) to be turned on, and to control the third switch (303), the fourth switch (304), and the fifth switch (305) to be turned off, during a second period during which a second operation of the first switching sequence is performed. The control circuit (220) may be configured to control the first switch (301), the second switch (302), and the fifth switch (305) to be turned on, and to control the third switch (303), the fourth switch (304), and the sixth switch (306) to be turned off, during a third period during which the third operation of the first switching sequence is performed. The control circuit (220) may be configured to control the second switch (302), the fourth switch (304), and the fifth switch (305) to be turned on, and to control the first switch (301), the third switch (303), and the sixth switch (306) to be turned off, during a fourth period during which the fourth operation of the first switching sequence is performed.

[0107] According to one embodiment, during a first period during which a first operation of a first switching sequence among a plurality of switching sequences of the converter (210) is performed, a first voltage of the first terminal of the first inductor (321) may have a first value, a first current of the first inductor (321) may increase, a second voltage of the first terminal of the second inductor (322) may have the first value, and a second current of the second inductor (322) may increase. The first value may be a value corresponding to an input voltage of the input terminal of the converter (210). During a second period during which the second operation of the first switching sequence is performed, the first voltage of the first terminal of the first inductor (321) may have the first value, the first current of the first inductor (321) may increase, the second voltage of the first terminal of the second inductor (322) may have the second value, and the second current of the second inductor (322) may decrease. The second value may be a value corresponding to half of the input voltage of the input terminal of the converter (210). During a third period in which the third operation of the first switching sequence is performed, the first voltage of the first terminal of the first inductor (321) may have the first value, the first current of the first inductor (321) may increase, the second voltage of the first terminal of the second inductor (322) may have the first value, and the second current of the second inductor (322) may increase. During a fourth period in which the fourth operation of the first switching sequence is performed, the first voltage of the first terminal of the first inductor (321) may have the second value, the first current of the first inductor (321) may decrease, the second voltage of the first terminal of the second inductor (322) may have the first value, and the second current of the second inductor (322) may increase.

[0108] According to one embodiment, the control circuit (220) may be configured to control the first switch (301), the second switch (302), and the sixth switch (306) to be turned on, and to control the third switch (303), the fourth switch (304), and the fifth switch (305) to be turned off, during a fifth period during which a fifth operation of a second switching sequence among the plurality of switching sequences of the converter (210) is performed. The control circuit (220) may be configured to control the third switch (303), the fourth switch (304), and the sixth switch (306) to be turned on, and to control the first switch (301), the second switch (302), and the fifth switch (305) to be turned off, during a sixth period during which a sixth operation of the second switching sequence is performed. The control circuit (220) may be configured to control the second switch (302), the fourth switch (304), and the fifth switch (305) to be turned on, and to control the first switch (301), the third switch (303), and the sixth switch (306) to be turned off, during a seventh period during which the seventh operation of the second switching sequence is performed. The control circuit (220) may be configured to control the third switch (303), the fourth switch (304), and the sixth switch (306) to be turned on, and to control the first switch (301), the second switch (302), and the fifth switch (305) to be turned off, during an eighth period during which the eighth operation of the second switching sequence is performed.

[0109] According to one embodiment, during a fifth period during which a fifth operation of a second switching sequence among a plurality of switching sequences of the converter (210) is performed, a first voltage of the first terminal of the first inductor (321) may have a first value, a first current of the first inductor (321) may increase, a second voltage of the first terminal of the second inductor (322) may have a second value, and a second current of the second inductor (322) may be maintained constant. The first value may be a value corresponding to an input voltage of the input terminal of the converter (210). The second value may be a value corresponding to half of the input voltage of the input terminal of the converter (210). During a sixth period in which the sixth operation of the second switching sequence is performed, the first voltage of the first terminal of the first inductor (321) may have a third value, the first current of the first inductor (321) may decrease, the second voltage of the first terminal of the second inductor (322) may have the third value, and the second current of the second inductor (322) may decrease. The third value may be a value corresponding to ground. During a seventh period in which the seventh operation of the second switching sequence is performed, the first voltage of the first terminal of the first inductor (321) may have the second value, the first current of the first inductor (321) may be maintained constant, the second voltage of the first terminal of the second inductor (322) may have the first value, and the second current of the second inductor (322) may increase. During the eighth period during which the eighth operation of the second switching sequence is performed, the first voltage of the first terminal of the first inductor (321) may have the third value, the first current of the first inductor (321) may decrease, the second voltage of the first terminal of the second inductor (322) may have the third value, and the second current of the second inductor (322) may decrease.

[0110] According to one embodiment, the control circuit (220) may include a voltage comparator (510) configured to output a voltage comparator output signal by comparing an output voltage of the output terminal of the converter (210) with a reference voltage. The control circuit (220) may include a first comparator (521) configured to output a first signal by comparing the voltage comparator output signal with a first sawtooth wave. The control circuit (220) may include a second comparator (522) configured to output a second signal by comparing the voltage comparator output signal with a second sawtooth wave. The control circuit (220) may include a plurality of logic gates (531; 532; 533; 534) configured to provide a first driving signal of the first switch (301), a second driving signal of the second switch (302), a third driving signal of the third switch (303), a fourth driving signal of the fourth switch (304), a fifth driving signal of the fifth switch (305), and a sixth driving signal of the sixth switch (306) based on the first signal and the second signal.

[0111] In one embodiment, a phase difference between the first sawtooth wave and the second sawtooth wave may be 180 degrees. The first signal of the first comparator (521) may be high during a period in which the voltage comparator output signal is greater than the first sawtooth wave. The first signal of the first comparator (521) may be low during a period in which the voltage comparator output signal is less than the first sawtooth wave. The second signal of the second comparator (522) may be high during a period in which the voltage comparator output signal is greater than the second sawtooth wave. The second signal of the second comparator (522) may be low during a period in which the voltage comparator output signal is less than the second sawtooth wave.

[0112] In one embodiment, the first drive signal may correspond to the first signal. The second drive signal may correspond to the sum of the first signal and the second signal. The third drive signal may correspond to an inversion of the sum of the first signal and the second signal. The fourth drive signal may correspond to an inversion of the first signal. The fifth drive signal may correspond to the second signal. The sixth drive signal may correspond to an inversion of the second signal.

[0113] According to one embodiment, a method of operating an electronic device (101) may include an operation of controlling a plurality of switches of a converter (210) of the electronic device (101), thereby converting power provided through an input terminal of the converter (210), and outputting the converted power through an output terminal of the converter (210). The method may include an operation of charging a battery (189, 230) of the electronic device (101) based on the output power of the converter (210). The converter (210) may include a first switch (301), a second switch (302), a third switch (303), a fourth switch (304), a fifth switch (305), a sixth switch (306), a first capacitor (310), a first inductor (321), and a second inductor (322). The first terminal of the first switch (301) may be connected to the input terminal of the converter (210) and the first terminal of the fifth switch (305). The second terminal of the first switch (301) may be connected to the first terminal of the second switch (302) and the first terminal of the first capacitor (310). The second terminal of the second switch (302) may be connected to the first terminal of the third switch (303) and the first terminal of the first inductor (321). The second terminal of the third switch (303) may be connected to the second terminal of the first capacitor (310), the first terminal of the fourth switch (304), and the first terminal of the sixth switch (306). The second terminal of the fourth switch (304) may be connected to ground. The second terminal of the fifth switch (305) may be connected to the second terminal of the sixth switch (306) and the first terminal of the second inductor (322). The second terminal of the first inductor (321) may be connected to the output terminal of the converter (210) and the second terminal of the second inductor (322).

[0114] According to one embodiment, in the method, the operation of controlling the plurality of switches may include an operation of controlling the first switch (301), the second switch (302), and the fifth switch (305) to be turned on, and controlling the third switch (303), the fourth switch (304), and the sixth switch (306) to be turned off, during a first period during which a first operation of a first switching sequence among the plurality of switching sequences of the converter (210) is performed. The operation of controlling the plurality of switches may include an operation of controlling the first switch (301), the second switch (302), and the sixth switch (306) to be turned on, and controlling the third switch (303), the fourth switch (304), and the fifth switch (305) to be turned off, during a second period during which a second operation of the first switching sequence is performed. The operation of controlling the plurality of switches may include an operation of controlling the first switch (301), the second switch (302), and the fifth switch (305) to be on, and controlling the third switch (303), the fourth switch (304), and the sixth switch (306) to be off, during a third period during which the third operation of the first switching sequence is performed. The operation of controlling the plurality of switches may include an operation of controlling the second switch (302), the fourth switch (304), and the fifth switch (305) to be on, and controlling the first switch (301), the third switch (303), and the sixth switch (306) to be off, during a fourth period during which the fourth operation of the first switching sequence is performed.

[0115] According to one embodiment, in the method, during a first period in which a first operation of a first switching sequence among a plurality of switching sequences of the converter (210) is performed, a first voltage of the first terminal of the first inductor (321) may have a first value, a first current of the first inductor (321) may increase, a second voltage of the first terminal of the second inductor (322) may have the first value, and a second current of the second inductor (322) may increase. The first value may be a value corresponding to an input voltage of the input terminal of the converter (210). During a second period during which the second operation of the first switching sequence is performed, the first voltage of the first terminal of the first inductor (321) may have the first value, the first current of the first inductor (321) may increase, the second voltage of the first terminal of the second inductor (322) may have the second value, and the second current of the second inductor (322) may decrease. The second value may be a value corresponding to half of the input voltage of the input terminal of the converter (210). During a third period in which the third operation of the first switching sequence is performed, the first voltage of the first terminal of the first inductor (321) may have the first value, the first current of the first inductor (321) may increase, the second voltage of the first terminal of the second inductor (322) may have the first value, and the second current of the second inductor (322) may increase. During a fourth period in which the fourth operation of the first switching sequence is performed, the first voltage of the first terminal of the first inductor (321) may have the second value, the first current of the first inductor (321) may decrease, the second voltage of the first terminal of the second inductor (322) may have the first value, and the second current of the second inductor (322) may increase.

[0116] According to one embodiment, in the method, the operation of controlling the plurality of switches may include an operation of controlling the first switch (301), the second switch (302), and the sixth switch (306) to be turned on, and controlling the third switch (303), the fourth switch (304), and the fifth switch (305) to be turned off, during a fifth period during which a fifth operation of a second switching sequence among the plurality of switching sequences of the converter (210) is performed. The operation of controlling the plurality of switches may include an operation of controlling the third switch (303), the fourth switch (304), and the sixth switch (306) to be turned on, and controlling the first switch (301), the second switch (302), and the fifth switch (305) to be turned off, during a sixth period during which a sixth operation of the second switching sequence is performed. The operation of controlling the plurality of switches may include an operation of controlling the second switch (302), the fourth switch (304), and the fifth switch (305) to be turned on, and controlling the first switch (301), the third switch (303), and the sixth switch (306) to be turned off, during a seventh period during which the seventh operation of the second switching sequence is performed. The operation of controlling the plurality of switches may include an operation of controlling the third switch (303), the fourth switch (304), and the sixth switch (306) to be turned on, and controlling the first switch (301), the second switch (302), and the fifth switch (305) to be turned off, during an eighth period during which the eighth operation of the second switching sequence is performed.

[0117] According to one embodiment, in the method, during a fifth period during which a fifth operation of a second switching sequence among a plurality of switching sequences of the converter (210) is performed, a first voltage of the first terminal of the first inductor (321) may have a first value, a first current of the first inductor (321) may increase, a second voltage of the first terminal of the second inductor (322) may have a second value, and a second current of the second inductor (322) may be maintained constant. The first value may be a value corresponding to an input voltage of the input terminal of the converter (210). The second value may be a value corresponding to half of the input voltage of the input terminal of the converter (210). During a sixth period in which the sixth operation of the second switching sequence is performed, the first voltage of the first terminal of the first inductor (321) may have a third value, the first current of the first inductor (321) may decrease, the second voltage of the first terminal of the second inductor (322) may have the third value, and the second current of the second inductor (322) may decrease. The third value may be a value corresponding to ground. During a seventh period in which the seventh operation of the second switching sequence is performed, the first voltage of the first terminal of the first inductor (321) may have the second value, the first current of the first inductor (321) may be maintained constant, the second voltage of the first terminal of the second inductor (322) may have the first value, and the second current of the second inductor (322) may increase. During the eighth period during which the eighth operation of the second switching sequence is performed, the first voltage of the first terminal of the first inductor (321) may have the third value, the first current of the first inductor (321) may decrease, the second voltage of the first terminal of the second inductor (322) may have the third value, and the second current of the second inductor (322) may decrease.

[0118] According to one embodiment, the method may include an operation of comparing an output voltage of the output terminal of the converter (210) with a reference voltage using a voltage comparator (510), thereby outputting a voltage comparator output signal. The method may include an operation of comparing the voltage comparator output signal with a first sawtooth wave using a first comparator (521), thereby outputting a first signal. The method may include an operation of comparing the voltage comparator output signal with a second sawtooth wave using a second comparator (522), thereby outputting a second signal. The method may include an operation of providing a first driving signal of the first switch (301), a second driving signal of the second switch (302), a third driving signal of the third switch (303), a fourth driving signal of the fourth switch (304), a fifth driving signal of the fifth switch (305), and a sixth driving signal of the sixth switch (306) based on the first signal and the second signal using a plurality of logic gates (531; 532; 533; 534).

[0119] According to one embodiment, in the method, a phase difference between the first sawtooth wave and the second sawtooth wave may be 180 degrees. The first signal of the first comparator (521) may be high during a period in which the voltage comparator output signal is greater than the first sawtooth wave. The first signal of the first comparator (521) may be low during a period in which the voltage comparator output signal is less than the first sawtooth wave. The second signal of the second comparator (522) may be high during a period in which the voltage comparator output signal is greater than the second sawtooth wave. The second signal of the second comparator (522) may be low during a period in which the voltage comparator output signal is less than the second sawtooth wave.

[0120] In one embodiment, in the method, the first drive signal may correspond to the first signal. The second drive signal may correspond to the sum of the first signal and the second signal. The third drive signal may correspond to an inversion of the sum of the first signal and the second signal. The fourth drive signal may correspond to an inversion of the first signal. The fifth drive signal may correspond to the second signal. The sixth drive signal may correspond to an inversion of the second signal.

[0121] According to one embodiment, a non-transitory computer-readable recording medium storing instructions may cause the instructions, when individually or collectively executed by at least one processor of an electronic device (101), to cause the electronic device (101) to perform at least one operation. The at least one operation may include an operation of controlling a plurality of switches of a converter (210) of the electronic device (101) to convert power provided through an input terminal of the converter (210) and outputting the converted power through an output terminal of the converter (210). The at least one operation may include an operation of charging a battery (189, 230) of the electronic device (101) based on an output power of the converter (210). The converter (210) may include a first switch (301), a second switch (302), a third switch (303), a fourth switch (304), a fifth switch (305), a sixth switch (306), a first capacitor (310), a first inductor (321), and a second inductor (322). A first terminal of the first switch (301) may be connected to an input terminal of the converter (210) and a first terminal of the fifth switch (305). A second terminal of the first switch (301) may be connected to a first terminal of the second switch (302) and a first terminal of the first capacitor (310). A second terminal of the second switch (302) may be connected to a first terminal of the third switch (303) and a first terminal of the first inductor (321). The second terminal of the third switch (303) may be connected to the second terminal of the first capacitor (310), the first terminal of the fourth switch (304), and the first terminal of the sixth switch (306). The second terminal of the fourth switch (304) may be connected to ground.The second terminal of the fifth switch (305) may be connected to the second terminal of the sixth switch (306) and the first terminal of the second inductor (322). The second terminal of the first inductor (321) may be connected to the output terminal of the converter (210) and the second terminal of the second inductor (322).

[0122] According to one embodiment, in the recording medium, the operation of controlling the plurality of switches may include an operation of controlling the first switch (301), the second switch (302), and the fifth switch (305) to be turned on, and controlling the third switch (303), the fourth switch (304), and the sixth switch (306) to be turned off, during a first period during which a first operation of a first switching sequence among the plurality of switching sequences of the converter (210) is performed. The operation of controlling the plurality of switches may include an operation of controlling the first switch (301), the second switch (302), and the sixth switch (306) to be turned on, and controlling the third switch (303), the fourth switch (304), and the fifth switch (305) to be turned off, during a second period during which a second operation of the first switching sequence is performed. The operation of controlling the plurality of switches may include an operation of controlling the first switch (301), the second switch (302), and the fifth switch (305) to be on, and controlling the third switch (303), the fourth switch (304), and the sixth switch (306) to be off, during a third period during which the third operation of the first switching sequence is performed. The operation of controlling the plurality of switches may include an operation of controlling the second switch (302), the fourth switch (304), and the fifth switch (305) to be on, and controlling the first switch (301), the third switch (303), and the sixth switch (306) to be off, during a fourth period during which the fourth operation of the first switching sequence is performed.

[0123] According to one embodiment, in the recording medium, during a first period in which a first operation of a first switching sequence among a plurality of switching sequences of the converter (210) is performed, a first voltage of the first terminal of the first inductor (321) may have a first value, a first current of the first inductor (321) may increase, a second voltage of the first terminal of the second inductor (322) may have the first value, and a second current of the second inductor (322) may increase. The first value may be a value corresponding to an input voltage of the input terminal of the converter (210). During a second period during which the second operation of the first switching sequence is performed, the first voltage of the first terminal of the first inductor (321) may have the first value, the first current of the first inductor (321) may increase, the second voltage of the first terminal of the second inductor (322) may have the second value, and the second current of the second inductor (322) may decrease. The second value may be a value corresponding to half of the input voltage of the input terminal of the converter (210). During a third period in which the third operation of the first switching sequence is performed, the first voltage of the first terminal of the first inductor (321) may have the first value, the first current of the first inductor (321) may increase, the second voltage of the first terminal of the second inductor (322) may have the first value, and the second current of the second inductor (322) may increase. During a fourth period in which the fourth operation of the first switching sequence is performed, the first voltage of the first terminal of the first inductor (321) may have the second value, the first current of the first inductor (321) may decrease, the second voltage of the first terminal of the second inductor (322) may have the first value, and the second current of the second inductor (322) may increase.

[0124] According to one embodiment, in the recording medium, the operation of controlling the plurality of switches may include an operation of controlling the first switch (301), the second switch (302), and the sixth switch (306) to be turned on, and controlling the third switch (303), the fourth switch (304), and the fifth switch (305) to be turned off, during a fifth period during which a fifth operation of a second switching sequence among the plurality of switching sequences of the converter (210) is performed. The operation of controlling the plurality of switches may include an operation of controlling the third switch (303), the fourth switch (304), and the sixth switch (306) to be turned on, and controlling the first switch (301), the second switch (302), and the fifth switch (305) to be turned off, during a sixth period during which a sixth operation of the second switching sequence is performed. The operation of controlling the plurality of switches may include an operation of controlling the second switch (302), the fourth switch (304), and the fifth switch (305) to be turned on, and controlling the first switch (301), the third switch (303), and the sixth switch (306) to be turned off, during a seventh period during which the seventh operation of the second switching sequence is performed. The operation of controlling the plurality of switches may include an operation of controlling the third switch (303), the fourth switch (304), and the sixth switch (306) to be turned on, and controlling the first switch (301), the second switch (302), and the fifth switch (305) to be turned off, during an eighth period during which the eighth operation of the second switching sequence is performed.

[0125] According to one embodiment, in the recording medium, during a fifth period during which a fifth operation of a second switching sequence among a plurality of switching sequences of the converter (210) is performed, a first voltage of the first terminal of the first inductor (321) may have a first value, a first current of the first inductor (321) may increase, a second voltage of the first terminal of the second inductor (322) may have a second value, and a second current of the second inductor (322) may be maintained constant. The first value may be a value corresponding to an input voltage of the input terminal of the converter (210). The second value may be a value corresponding to half of the input voltage of the input terminal of the converter (210). During a sixth period in which the sixth operation of the second switching sequence is performed, the first voltage of the first terminal of the first inductor (321) may have a third value, the first current of the first inductor (321) may decrease, the second voltage of the first terminal of the second inductor (322) may have the third value, and the second current of the second inductor (322) may decrease. The third value may be a value corresponding to ground. During a seventh period in which the seventh operation of the second switching sequence is performed, the first voltage of the first terminal of the first inductor (321) may have the second value, the first current of the first inductor (321) may be maintained constant, the second voltage of the first terminal of the second inductor (322) may have the first value, and the second current of the second inductor (322) may increase. During the eighth period during which the eighth operation of the second switching sequence is performed, the first voltage of the first terminal of the first inductor (321) may have the third value, the first current of the first inductor (321) may decrease, the second voltage of the first terminal of the second inductor (322) may have the third value, and the second current of the second inductor (322) may decrease.

[0126] According to one embodiment, in the recording medium, the at least one operation may include an operation of outputting a voltage comparator output signal by comparing an output voltage of the output terminal of the converter (210) with a reference voltage using a voltage comparator (510). The at least one operation may include an operation of outputting a first signal by comparing the voltage comparator output signal with a first sawtooth wave using a first comparator (521). The at least one operation may include an operation of outputting a second signal by comparing the voltage comparator output signal with a second sawtooth wave using a second comparator (522). The at least one operation may include providing, based on the first signal and the second signal, a first driving signal of the first switch (301), a second driving signal of the second switch (302), a third driving signal of the third switch (303), a fourth driving signal of the fourth switch (304), a fifth driving signal of the fifth switch (305), and a sixth driving signal of the sixth switch (306) using a plurality of logic gates (531; 532; 533; 534).

[0127] According to one embodiment, in the recording medium, a phase difference between the first sawtooth wave and the second sawtooth wave may be 180 degrees. The first signal of the first comparator (521) may be high during a period in which the voltage comparator output signal is greater than the first sawtooth wave. The first signal of the first comparator (521) may be low during a period in which the voltage comparator output signal is less than the first sawtooth wave. The second signal of the second comparator (522) may be high during a period in which the voltage comparator output signal is greater than the second sawtooth wave. The second signal of the second comparator (522) may be low during a period in which the voltage comparator output signal is less than the second sawtooth wave.

[0128] According to one embodiment, in the recording medium, the first drive signal may correspond to the first signal. The second drive signal may correspond to the sum of the first signal and the second signal. The third drive signal may correspond to the inversion of the sum of the first signal and the second signal. The fourth drive signal may correspond to the inversion of the first signal. The fifth drive signal may correspond to the second signal. The sixth drive signal may correspond to the inversion of the second signal.

[0129] According to one embodiment, an electronic device (101) may include a converter (210) including a first capacitor (310), a plurality of switches, a first inductor (321), and a second inductor (322), and a control circuit (220) configured to control the plurality of switches of the converter (210). The converter (210) may be configured to convert power provided through an input terminal of the converter (210) and output the converted power through an output terminal of the converter (210). During a first period during which a first operation of a first switching sequence among a plurality of switching sequences of the converter (210) is performed, a first voltage of a first terminal of the first inductor (321) may have a first value, a first current of the first inductor (321) may increase, a second voltage of the first terminal of the second inductor (322) may have the first value, and a second current of the second inductor (322) may increase. The first value may be a value corresponding to an input voltage of the input terminal of the converter (210). During a second period during which the second operation of the first switching sequence is performed, the first voltage of the first terminal of the first inductor (321) may have the first value, the first current of the first inductor (321) may increase, the second voltage of the first terminal of the second inductor (322) may have the second value, and the second current of the second inductor (322) may decrease. The second value may be a value corresponding to half of the input voltage of the input terminal of the converter (210). During a third period during which the third operation of the first switching sequence is performed, the first voltage of the first terminal of the first inductor (321) may have the first value, the first current of the first inductor (321) may increase, and the second voltage of the first terminal of the second inductor (322) may have the first value, and the second current of the second inductor (322) may increase.During a fourth period during which the fourth operation of the first switching sequence is performed, the first voltage of the first terminal of the first inductor (321) may have the second value, the first current of the first inductor (321) may decrease, the second voltage of the first terminal of the second inductor (322) may have the first value, and the second current of the second inductor (322) may increase.

[0130] According to one embodiment, during a fifth period during which a fifth operation of a second switching sequence among a plurality of switching sequences of the converter (210) is performed, the first voltage of the first terminal of the first inductor (321) may have a first value, the first current of the first inductor (321) may increase, the second voltage of the first terminal of the second inductor (322) may have a second value, and the second current of the second inductor (322) may be maintained constant. The first value may be a value corresponding to an input voltage of the input terminal of the converter (210). The second value may be a value corresponding to half of the input voltage of the input terminal of the converter (210). During a sixth period in which the sixth operation of the second switching sequence is performed, the first voltage of the first terminal of the first inductor (321) may have a third value, the first current of the first inductor (321) may decrease, the second voltage of the first terminal of the second inductor (322) may have the third value, and the second current of the second inductor (322) may decrease. The third value may be a value corresponding to ground. During a seventh period in which the seventh operation of the second switching sequence is performed, the first voltage of the first terminal of the first inductor (321) may have the second value, the first current of the first inductor (321) may be maintained constant, the second voltage of the first terminal of the second inductor (322) may have the first value, and the second current of the second inductor (322) may increase. During the eighth period during which the eighth operation of the second switching sequence is performed, the first voltage of the first terminal of the first inductor (321) may have the third value, the first current of the first inductor (321) may decrease, the second voltage of the first terminal of the second inductor (322) may have the third value, and the second current of the second inductor (322) may decrease.

[0131] According to one embodiment, an electronic device (101) may include a converter (210) including a first capacitor (310), a plurality of switches, a first inductor (321), and a second inductor (322), and a control circuit (220) configured to control the plurality of switches of the converter (210). The converter (210) may be configured to convert power provided through an input terminal of the converter (210) and output the converted power through an output terminal of the converter (210). Based on a determination of a switching sequence for controlling the plurality of switches of the converter (210), while performing a first operation of the switching sequence of the converter (210), a first voltage of a first terminal of the first inductor (321) may have a first value, and a second voltage of a first terminal of the second inductor (322) may have a second value. During the second operation of the switching sequence of the converter (210), the first voltage of the first terminal of the first inductor (321) may have the second value, and the second voltage of the first terminal of the second inductor (322) may have the first value. The first value may be a voltage value corresponding to an input voltage of the input terminal of the converter (210). The second value may have a voltage level corresponding to a path of the first capacitor (310) of the converter (210). The second value may be smaller than the first value.

[0132] According to one embodiment, while performing the first operation, the first capacitor (310) is connected between the input terminal of the converter (210) and the second inductor (322), and the first capacitor (310) can be charged using the current of the second inductor (322). While performing the second operation, the first capacitor (310) is connected to the first inductor (321), and the first capacitor (310) can be discharged using the current of the first inductor (321).

[0133] According to one embodiment, the electronic device (101) may be configured to determine the switching sequence by comparing the output voltage of the output terminal of the converter (210) with a reference voltage. The electronic device (101) may include a voltage comparator (510) configured to output a voltage comparator output signal by comparing the output voltage with the reference voltage. The electronic device (101) may include a first comparator (521) configured to output a first signal by comparing the voltage comparator output signal with a first sawtooth wave. The electronic device (101) may include a second comparator (522) configured to output a second signal by comparing the voltage comparator output signal with a second sawtooth wave. The electronic device (101) may include a plurality of logic gates (531; 532; 533; 534) configured to provide driving signals of the plurality of switches based on the first signal and the second signal.

[0134] Devices according to the various embodiments disclosed in this document may take various forms. The devices may include, for example, portable communication devices (e.g., smartphones), computer devices, portable multimedia devices, portable medical devices, cameras, wearable devices, or home appliances. Devices according to the embodiments of this document are not limited to the aforementioned devices.

[0135] The various embodiments of this document and the terminology used therein are not intended to limit the technical features described in this document to specific embodiments, but should be understood to include various modifications, equivalents, or substitutes of the embodiments. In connection with the description of the drawings, similar reference numerals may be used for similar or related components. The singular form of a noun corresponding to an item may include one or more of the items, unless the context clearly indicates otherwise. In this document, each of the phrases "A or B", "at least one of A and B", "at least one of A or B", "A, B, or C", "at least one of A, B, and C", and "at least one of A, B, or C" can include any one of the items listed together in the corresponding phrase among those phrases, or all possible combinations thereof. Terms such as "first," "second," or "first" or "second" may be used merely to distinguish one component from another, and do not limit the components in any other respect (e.g., importance or order). When a component (e.g., a first component) is referred to as "coupled" or "connected" to another (e.g., a second component), with or without the terms "functionally" or "communicatively," it means that the component can be connected to the other component directly (e.g., wired), wirelessly, or through a third component.

[0136] The term "module" used in various embodiments of this document may include a unit implemented in hardware, software, or firmware, and may be used interchangeably with terms such as logic, logic block, component, or circuit. A module may be an integral component, or a minimum unit or part of such a component that performs one or more functions. For example, according to one embodiment, a module may be implemented in the form of an application-specific integrated circuit (ASIC).

[0137] Various embodiments of the present document may be implemented as software (e.g., a program) including one or more instructions stored on a storage medium that can be read by a machine (e.g., an electronic device). For example, a processor (e.g., a controller) of the machine may call at least one instruction among the one or more instructions stored from the storage medium and execute it. This enables the machine to operate to perform at least one function according to the at least one instruction called. The one or more instructions may include code generated by a compiler or code that can be executed by an interpreter. The machine-readable storage medium may be provided in the form of a non-transitory storage medium. Here, 'non-transitory' only means that the storage medium is a tangible device and does not contain a signal (e.g., electromagnetic waves), and this term does not distinguish between cases where data is stored semi-permanently and cases where it is stored temporarily in the storage medium.

[0138] According to one embodiment, the method according to various embodiments disclosed in this document may be provided as included in a computer program product. The computer program product may be traded as a product between a seller and a buyer. The computer program product may be distributed in the form of a machine-readable storage medium (e.g., compact disc read-only memory (CD-ROM)), or may be distributed online (e.g., downloaded or uploaded) through an application store (e.g., Play Store™) or directly between two user devices (e.g., smart phones). In the case of online distribution, at least a portion of the computer program product may be temporarily stored or temporarily generated in a machine-readable storage medium, such as the memory of a manufacturer's server, an application store's server, or an intermediary server.

[0139] According to various embodiments, each component (e.g., a module or a program) of the above-described components may include one or more entities, and some of the entities may be separated and placed in other components. According to various embodiments, one or more components or operations of the aforementioned components may be omitted, or one or more other components or operations may be added. Alternatively or additionally, a plurality of components (e.g., a module or a program) may be integrated into a single component. In such a case, the integrated component may perform one or more functions of each of the plurality of components identically or similarly to those performed by the corresponding component among the plurality of components prior to the integration. According to various embodiments, the operations performed by a module, program, or other component may be executed sequentially, in parallel, iteratively, or heuristically, or one or more of the operations may be executed in a different order, omitted, or one or more other operations may be added.

Claims

1. In an electronic device (101), converter (210); A battery (189, 230) electrically connected to the output terminal of the above converter (210); and It includes a control circuit (220) configured to control the above converter (210), The converter (210) includes a first switch (301), a second switch (302), a third switch (303), a fourth switch (304), a fifth switch (305), a sixth switch (306), a first capacitor (310), a first inductor (321), and a second inductor (322). The first terminal of the first switch (301) is connected to the input terminal of the converter (210) and the first terminal of the fifth switch (305), The second terminal of the first switch (301) is connected to the first terminal of the second switch (302) and the first terminal of the first capacitor (310), The second terminal of the second switch (302) is connected to the first terminal of the third switch (303) and the first terminal of the first inductor (321), The second terminal of the third switch (303) is connected to the second terminal of the first capacitor (310), the first terminal of the fourth switch (304), and the first terminal of the sixth switch (306). The second terminal of the above fourth switch (304) is connected to ground, The second terminal of the fifth switch (305) is connected to the second terminal of the sixth switch (306) and the first terminal of the second inductor (322), The second terminal of the first inductor (321) is connected to the output terminal of the converter (210) and the second terminal of the second inductor (322), The control circuit (220) is configured to control the first switch (301), the second switch (302), the third switch (303), the fourth switch (304), the fifth switch (305), and the sixth switch (306). The above converter (210) is configured to convert the power provided through the input terminal and output the converted power through the output terminal. Electronic device (101).

2. In paragraph 1, The above control circuit (220) During a first period during which a first operation of a first switching sequence among a plurality of switching sequences of the converter (210) is performed, the first switch (301), the second switch (302), and the fifth switch (305) are controlled to be on, and the third switch (303), the fourth switch (304), and the sixth switch (306) are controlled to be off. During the second period in which the second operation of the first switching sequence is performed, the first switch (301), the second switch (302), and the sixth switch (306) are controlled to be turned on, and the third switch (303), the fourth switch (304), and the fifth switch (305) are controlled to be turned off. During the third period in which the third operation of the first switching sequence is performed, the first switch (301), the second switch (302), and the fifth switch (305) are controlled to be on, and the third switch (303), the fourth switch (304), and the sixth switch (306) are controlled to be off. During the fourth period in which the fourth operation of the first switching sequence is performed, the second switch (302), the fourth switch (304), and the fifth switch (305) are controlled to be turned on, and the first switch (301), the third switch (303), and the sixth switch (306) are controlled to be turned off. Electronic device (101).

3. In paragraph 1 or 2, During a first period in which a first operation of a first switching sequence among a plurality of switching sequences of the converter (210) is performed, the first voltage of the first terminal of the first inductor (321) has a first value, the first current of the first inductor (321) increases, the second voltage of the first terminal of the second inductor (322) has the first value, the second current of the second inductor (322) increases, and the first value is a value corresponding to the input voltage of the input terminal of the converter (210). During a second period during which the second operation of the first switching sequence is performed, the first voltage of the first terminal of the first inductor (321) has the first value, the first current of the first inductor (321) increases, the second voltage of the first terminal of the second inductor (322) has the second value, the second current of the second inductor (322) decreases, and the second value is a value corresponding to half of the input voltage of the input terminal of the converter (210). During a third period during which the third operation of the first switching sequence is performed, the first voltage of the first terminal of the first inductor (321) has the first value, the first current of the first inductor (321) increases, the second voltage of the first terminal of the second inductor (322) has the first value, and the second current of the second inductor (322) increases. During the fourth period in which the fourth operation of the first switching sequence is performed, the first voltage of the first terminal of the first inductor (321) has the second value, the first current of the first inductor (321) decreases, the second voltage of the first terminal of the second inductor (322) has the first value, and the second current of the second inductor (322) increases. Electronic device (101).

4. In any one of paragraphs 1 to 3, The above control circuit (220) During a fifth period during which a fifth operation of a second switching sequence among a plurality of switching sequences of the converter (210) is performed, the first switch (301), the second switch (302), and the sixth switch (306) are controlled to be on, and the third switch (303), the fourth switch (304), and the fifth switch (305) are controlled to be off. During the sixth period in which the sixth operation of the second switching sequence is performed, the third switch (303), the fourth switch (304), and the sixth switch (306) are controlled to be on, and the first switch (301), the second switch (302), and the fifth switch (305) are controlled to be off. During the seventh period in which the seventh operation of the second switching sequence is performed, the second switch (302), the fourth switch (304), and the fifth switch (305) are controlled to be on, and the first switch (301), the third switch (303), and the sixth switch (306) are controlled to be off. During the eighth period during which the eighth operation of the second switching sequence is performed, the third switch (303), the fourth switch (304), and the sixth switch (306) are controlled to be turned on, and the first switch (301), the second switch (302), and the fifth switch (305) are controlled to be turned off. Electronic device (101).

5. In any one of paragraphs 1 to 4, During a fifth period during which a fifth operation of a second switching sequence among a plurality of switching sequences of the converter (210) is performed, the first voltage of the first terminal of the first inductor (321) has a first value, the first current of the first inductor (321) increases, the second voltage of the first terminal of the second inductor (322) has a second value, the second current of the second inductor (322) is maintained constant, the first value is a value corresponding to an input voltage of the input terminal of the converter (210), and the second value is a value corresponding to half of the input voltage of the input terminal of the converter (210). During the sixth period during which the sixth operation of the second switching sequence is performed, the first voltage of the first terminal of the first inductor (321) has a third value, the first current of the first inductor (321) decreases, the second voltage of the first terminal of the second inductor (322) has the third value, the second current of the second inductor (322) decreases, and the third value is a value corresponding to ground. During the seventh period during which the seventh operation of the second switching sequence is performed, the first voltage of the first terminal of the first inductor (321) has the second value, the first current of the first inductor (321) is maintained constant, the second voltage of the first terminal of the second inductor (322) has the first value, and the second current of the second inductor (322) increases. During the eighth period during which the eighth operation of the second switching sequence is performed, the first voltage of the first terminal of the first inductor (321) has the third value, the first current of the first inductor (321) decreases, the second voltage of the first terminal of the second inductor (322) has the third value, and the second current of the second inductor (322) decreases. Electronic device (101).

6. In any one of paragraphs 1 to 5, The above control circuit (220) A voltage comparator (510) configured to output a voltage comparator output signal by comparing the output voltage of the output terminal of the converter (210) with a reference voltage; A first comparator (521) configured to output a first signal by comparing the voltage comparator output signal with the first sawtooth wave; A second comparator (522) configured to output a second signal by comparing the voltage comparator output signal with the second sawtooth wave; and A plurality of logic gates (531; 532; 533; 534) configured to provide a first driving signal of the first switch (301), a second driving signal of the second switch (302), a third driving signal of the third switch (303), a fourth driving signal of the fourth switch (304), a fifth driving signal of the fifth switch (305), and a sixth driving signal of the sixth switch (306) based on the first signal and the second signal. Electronic device (101).

7. In any one of paragraphs 1 to 6, The phase difference between the first sawtooth wave and the second sawtooth wave is 180 degrees, The first signal of the first comparator (521) is high during a period in which the voltage comparator output signal is greater than the first sawtooth wave, The first signal of the first comparator (521) is low during a period in which the voltage comparator output signal is smaller than the first sawtooth wave, The second signal of the second comparator (522) is high during a period in which the voltage comparator output signal is greater than the second sawtooth wave, The second signal of the second comparator (522) is low during a period in which the voltage comparator output signal is smaller than the second sawtooth wave. Electronic device (101).

8. In any one of paragraphs 1 to 7, The above first driving signal corresponds to the above first signal, The second driving signal corresponds to the sum of the first signal and the second signal, The third driving signal corresponds to the inversion of the sum of the first signal and the second signal, The fourth driving signal corresponds to the inversion of the first signal, The fifth driving signal corresponds to the second signal, The sixth driving signal corresponds to the inversion of the second signal. Electronic device (101).

9. In the operating method of the electronic device (101), An operation of controlling a plurality of switches of a converter (210) of the electronic device (101) to convert power provided through an input terminal of the converter (210) and outputting the converted power through an output terminal of the converter (210); Based on the output power of the converter (210), it includes an operation of charging the battery (189, 230) of the electronic device (101), The converter (210) includes a first switch (301), a second switch (302), a third switch (303), a fourth switch (304), a fifth switch (305), a sixth switch (306), a first capacitor (310), a first inductor (321), and a second inductor (322). The first terminal of the first switch (301) is connected to the input terminal of the converter (210) and the first terminal of the fifth switch (305), The second terminal of the first switch (301) is connected to the first terminal of the second switch (302) and the first terminal of the first capacitor (310), The second terminal of the second switch (302) is connected to the first terminal of the third switch (303) and the first terminal of the first inductor (321), The second terminal of the third switch (303) is connected to the second terminal of the first capacitor (310), the first terminal of the fourth switch (304), and the first terminal of the sixth switch (306). The second terminal of the above fourth switch (304) is connected to ground, The second terminal of the fifth switch (305) is connected to the second terminal of the sixth switch (306) and the first terminal of the second inductor (322), The second terminal of the first inductor (321) is connected to the output terminal of the converter (210) and the second terminal of the second inductor (322). method.

10. In paragraph 9, The operation of controlling the above multiple switches is as follows: An operation of controlling the first switch (301), the second switch (302), and the fifth switch (305) to be on and controlling the third switch (303), the fourth switch (304), and the sixth switch (306) to be off during a first period during which a first operation of a first switching sequence among a plurality of switching sequences of the converter (210) is performed, During a second period in which the second operation of the first switching sequence is performed, an operation of controlling the first switch (301), the second switch (302), and the sixth switch (306) to be turned on, and controlling the third switch (303), the fourth switch (304), and the fifth switch (305) to be turned off; During a third period in which the third operation of the first switching sequence is performed, an operation of controlling the first switch (301), the second switch (302), and the fifth switch (305) to be turned on, and controlling the third switch (303), the fourth switch (304), and the sixth switch (306) to be turned off; During the fourth period in which the fourth operation of the first switching sequence is performed, an operation of controlling the second switch (302), the fourth switch (304), and the fifth switch (305) to be on, and controlling the first switch (301), the third switch (303), and the sixth switch (306) to be off, method.

11. In paragraph 9 or 10, During a first period in which a first operation of a first switching sequence among a plurality of switching sequences of the converter (210) is performed, the first voltage of the first terminal of the first inductor (321) has a first value, the first current of the first inductor (321) increases, the second voltage of the first terminal of the second inductor (322) has the first value, the second current of the second inductor (322) increases, and the first value is a value corresponding to the input voltage of the input terminal of the converter (210). During a second period during which the second operation of the first switching sequence is performed, the first voltage of the first terminal of the first inductor (321) has the first value, the first current of the first inductor (321) increases, the second voltage of the first terminal of the second inductor (322) has the second value, the second current of the second inductor (322) decreases, and the second value is a value corresponding to half of the input voltage of the input terminal of the converter (210). During a third period during which the third operation of the first switching sequence is performed, the first voltage of the first terminal of the first inductor (321) has the first value, the first current of the first inductor (321) increases, the second voltage of the first terminal of the second inductor (322) has the first value, and the second current of the second inductor (322) increases. During the fourth period in which the fourth operation of the first switching sequence is performed, the first voltage of the first terminal of the first inductor (321) has the second value, the first current of the first inductor (321) decreases, the second voltage of the first terminal of the second inductor (322) has the first value, and the second current of the second inductor (322) increases. method.

12. In any one of paragraphs 9 to 11, The operation of controlling the above multiple switches is as follows: An operation of controlling the first switch (301), the second switch (302), and the sixth switch (306) to be on and controlling the third switch (303), the fourth switch (304), and the fifth switch (305) to be off during a fifth period during which the fifth operation of the second switching sequence among the plurality of switching sequences of the converter (210) is performed, During the sixth period in which the sixth operation of the second switching sequence is performed, an operation of controlling the third switch (303), the fourth switch (304), and the sixth switch (306) to be turned on, and controlling the first switch (301), the second switch (302), and the fifth switch (305) to be turned off; During the seventh period in which the seventh operation of the second switching sequence is performed, an operation of controlling the second switch (302), the fourth switch (304), and the fifth switch (305) to be turned on, and controlling the first switch (301), the third switch (303), and the sixth switch (306) to be turned off; During the eighth period during which the eighth operation of the second switching sequence is performed, an operation of controlling the third switch (303), the fourth switch (304), and the sixth switch (306) to be turned on, and controlling the first switch (301), the second switch (302), and the fifth switch (305) to be turned off, method.

13. In any one of paragraphs 9 to 12, During a fifth period during which a fifth operation of a second switching sequence among a plurality of switching sequences of the converter (210) is performed, the first voltage of the first terminal of the first inductor (321) has a first value, the first current of the first inductor (321) increases, the second voltage of the first terminal of the second inductor (322) has a second value, the second current of the second inductor (322) is maintained constant, the first value is a value corresponding to an input voltage of the input terminal of the converter (210), and the second value is a value corresponding to half of the input voltage of the input terminal of the converter (210). During the sixth period during which the sixth operation of the second switching sequence is performed, the first voltage of the first terminal of the first inductor (321) has a third value, the first current of the first inductor (321) decreases, the second voltage of the first terminal of the second inductor (322) has the third value, the second current of the second inductor (322) decreases, and the third value is a value corresponding to ground. During the seventh period during which the seventh operation of the second switching sequence is performed, the first voltage of the first terminal of the first inductor (321) has the second value, the first current of the first inductor (321) is maintained constant, the second voltage of the first terminal of the second inductor (322) has the first value, and the second current of the second inductor (322) increases. During the eighth period during which the eighth operation of the second switching sequence is performed, the first voltage of the first terminal of the first inductor (321) has the third value, the first current of the first inductor (321) decreases, the second voltage of the first terminal of the second inductor (322) has the third value, and the second current of the second inductor (322) decreases. method.

14. In any one of paragraphs 9 to 13, The operation of controlling the above multiple switches is as follows: An operation of outputting a voltage comparator output signal by comparing the output voltage of the output terminal of the above converter (210) with a reference voltage, An operation of outputting a first signal by comparing the voltage comparator output signal with the first sawtooth wave, An operation of outputting a second signal by comparing the voltage comparator output signal with the second sawtooth wave, An operation including providing a first driving signal of the first switch (301), a second driving signal of the second switch (302), a third driving signal of the third switch (303), a fourth driving signal of the fourth switch (304), a fifth driving signal of the fifth switch (305), and a sixth driving signal of the sixth switch (306) based on the first signal and the second signal. method.

15. In any one of paragraphs 9 to 14, The phase difference between the first sawtooth wave and the second sawtooth wave is 180 degrees, The first signal is high during a period in which the voltage comparator output signal is greater than the first sawtooth wave, The first signal is low during a period in which the voltage comparator output signal is less than the first sawtooth wave, The second signal is high during a period in which the voltage comparator output signal is greater than the second sawtooth wave, The second signal is low during a period in which the voltage comparator output signal is less than the second sawtooth wave, method.

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