Voltage conversion circuit, method and device and electronic equipment

Abstract

The invention provides a voltage conversion circuit, method and device and electronic equipment, and relates to the technical field of circuits, the circuit comprises a conversion circuit used for converting an input voltage into an output voltage, and the input voltage and the output voltage have a preset multiple or a preset proportion; the conversion circuit comprises a first branch and a second branch, the first branch and the second branch respectively comprise a plurality of first switch assemblies and second switch assemblies, and the first switch assemblies and the second switch assemblies in the first branch and the second branch are alternately connected; the working states of the first switch assembly and the second switch assembly at the same moment are different, the number of the switch assemblies in the first branch circuit and the number of the switch assemblies in the second branch circuit are the same, and the arrangement sequences of the first switch assemblies and the second switch assemblies in the first branch circuit and the second branch circuit are different. The number of switching elements can be reduced, the boost or buck function is realized, the complexity of the voltage conversion circuit is reduced, and the voltage conversion efficiency is improved.

Description

Technical Field

[0001] The present disclosure relates to the field of circuit technology, and in particular to a voltage conversion circuit, method, device and electronic equipment. Background Art

[0002] As the charging power of mobile phones increases, high voltage and high current become the development trend, and the power supply voltage of the adapter has also increased to 20V. In order to charge the battery, a multiple step-down circuit is required to complete the voltage conversion, that is, a multiple switching capacitor converter is used to convert the 20V voltage provided by the adapter into a voltage suitable for battery charging. Summary of the invention

[0003] The present disclosure provides a voltage conversion circuit, comprising:

[0004] The conversion circuit is used to convert an input voltage into an output voltage, wherein the input voltage and the output voltage have a preset multiple or a preset ratio;

[0005] The conversion circuit comprises a first branch and a second branch, wherein the first branch and the second branch respectively comprise a plurality of first switch components and second switch components, and the first switch components and the second switch components in the first branch and the second branch are alternately connected;

[0006] The working states of the first switch component and the second switch component at the same time are different, the number of switch components in the first branch and the second branch are the same, and the arrangement order of the first switch components and the second switch components in the first branch and the second branch is different.

[0007] The voltage conversion circuit disclosed in the present invention realizes voltage conversion while using fewer transistors than existing solutions, which is conducive to miniaturization of the circuit.

[0008] In one embodiment of the present disclosure, the voltage conversion circuit further includes a first capacitor component and a second capacitor component;

[0009] The first electrodes of some first switch components in the first branch are connected to the first node through the first capacitor component, and the first switch components are located between the input node and the output node of the conversion circuit; the first electrodes of some second switch components in the first branch are connected to the second node through the second capacitor component, and the second switch components are located between the input node and the output node of the conversion circuit;

[0010] The first poles of some second switch components in the second branch are connected to the second node through the second capacitor component, and the part of the second switch components are located between the input node and the output node of the conversion circuit. The first poles of some first switch components in the second branch are connected to the first node through the first capacitor component, and the part of the first switch components are located between the input node and the output node of the conversion circuit.

[0011] In one embodiment of the present disclosure, an output capacitor is provided between the output node of the first branch and the ground terminal, and between the output node of the second branch and the ground terminal;

[0012] A first electrode of a first switch component is connected to a first node between an output node of the first branch and a ground terminal;

[0013] The first electrode of the second switch component is connected to a second node between the output node of the second branch and the ground terminal.

[0014] In one embodiment of the present disclosure, the first switch component includes a first switch element, a third switch element, a fifth switch element, an eighth switch element, a tenth switch element, and a twelfth switch element, and the first capacitor component includes a first capacitor, a second capacitor, and a third capacitor; the second switch component includes a second switch element, a fourth switch element, a sixth switch element, a seventh switch element, a ninth switch element, and a twelfth switch element, and the second capacitor component includes a fourth capacitor, a fifth capacitor, and a sixth capacitor;

[0015] The first branch includes a first switch, a second switch, a third switch, a fourth switch, a fifth switch and a sixth switch connected in sequence; wherein the first electrode of the first switch is connected to the first node via a first capacitor, the first electrode of the third switch is connected to the first node via a second capacitor, the first electrode of the fifth switch is connected to the first node, the first electrode of the second switch is connected to the second node via a fourth capacitor, and the first electrode of the fourth switch and the second electrode of the fifth switch are connected to the output node;

[0016] The second branch includes a seventh switch element, an eighth switch element, a ninth switch element, a tenth switch element, an eleventh switch element and a twelfth switch element connected in sequence;

[0017] wherein the first electrode of the seventh switch element is connected to the second node via a fifth capacitor, the first electrode of the ninth switch element is connected to the second node via a sixth capacitor, the first electrode of the eleventh switch element is connected to the second node, the first electrode of the eighth switch element is connected to the first node via a third capacitor, and the first electrode of the tenth switch element and the second electrode of the eleventh switch element are connected to the output node;

[0018] An output capacitor is connected between the second electrodes of the fifth switch element and the eleventh switch element and the ground;

[0019] The first poles of the sixth switch element and the twelfth switch element are grounded;

[0020] Input terminals of the first switching element and the seventh switching element are connected to the input node.

[0021] In one embodiment of the present disclosure, a working cycle of the conversion circuit includes a first working state and a second working state;

[0022] In the first working state, the first switch component is turned on and the second switch component is turned off;

[0023] In the second working state, the first switch component is turned off, and the second switch component is turned on.

[0024] In one embodiment of the present disclosure, the first switch component is a P-type transistor, and the second switch component is an N-type transistor; or, the first switch component is an N-type transistor, and the second switch component is a P-type transistor.

[0025] In the embodiment of the present disclosure, through this setting, power consumption can be saved in the working state of the conversion circuit, and the operation is convenient.

[0026] In a second aspect, the present disclosure provides a voltage conversion method, the method being used for the voltage conversion circuit according to any one of the embodiments in the first aspect, wherein a working cycle of the voltage conversion circuit includes a first working state and a second working state, and the method includes:

[0027] In one working cycle, the voltage conversion circuit converts between a first working state and a second working state, wherein the voltage conversion circuit is used to convert an input voltage into an output voltage, and the input voltage and the output voltage have a preset multiple or a preset ratio.

[0028] In a third aspect, the present disclosure provides a voltage conversion device, comprising at least one voltage conversion circuit as described in any embodiment of the first aspect.

[0029] In an embodiment of the present disclosure, the voltage conversion circuits include at least two, and the voltage conversion circuits are connected in series or in parallel.

[0030] In a fourth aspect, the present disclosure provides an electronic device, comprising the voltage conversion circuit described in any embodiment of the first aspect.

[0031] It is to be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present disclosure. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] The drawings herein are incorporated into and constitute a part of the specification, illustrate embodiments consistent with the present disclosure, and together with the description are used to explain the principles of the present disclosure, and do not constitute improper limitations on the present disclosure.

[0033] Figure 1 A schematic diagram of a multiple conversion switched capacitor architecture provided by an embodiment of the present disclosure;

[0034] Figure 2 A schematic diagram of a voltage conversion circuit provided by an embodiment of the present disclosure;

[0035] Figure 3 A schematic diagram of the circuit structure of a conversion circuit in a first working state provided by an embodiment of the present disclosure;

[0036] Figure 4 A method provided in the embodiment of the present disclosure Figure 3 Equivalent circuit diagram of the circuit structure shown;

[0037] Figure 5 A schematic diagram of the circuit structure of a conversion circuit in a second working state provided by an embodiment of the present disclosure;

[0038] Figure 6 A method provided in the embodiment of the present disclosure Figure 5 Equivalent circuit diagram of the circuit structure shown;

[0039] Figure 7 A schematic diagram of a flow chart of a voltage conversion method provided by an embodiment of the present disclosure;

[0040] Figure 8 A schematic diagram of the structure of an electronic device provided in an embodiment of the present disclosure. DETAILED DESCRIPTION

[0041] The embodiments of the present disclosure are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions.

[0042] As the charging power of mobile phones increases, high voltage and high current become the development trend, and the power supply voltage of the adapter has also increased to 20V. In order to charge the battery, a multiple step-down circuit is required to complete the voltage conversion, that is, a multiple switching capacitor converter is used to convert the 20V voltage provided by the adapter into a voltage suitable for battery charging.

[0043] In the related art, for voltage conversion technology, such as Figure 1The schematic diagram of a multiple conversion switched capacitor architecture shown in FIG. adopts a switched capacitor architecture with a voltage conversion ratio of 4:1, that is, the input voltage is converted into a lower output voltage through a two-phase structure. In the bidirectional structure, 16 power tubes are used to control the voltage conversion. The large number of power tubes makes the drive control scheme more complicated.

[0044] In order to solve the problem of a large number of power tubes in the related art, the present invention sets up a voltage conversion circuit, in which the conversion circuit uses alternating connection of 12 power tubes to achieve voltage conversion control, saving 4 power tubes, optimizing the area of ​​the voltage conversion circuit, and improving the efficiency of voltage conversion.

[0045] The voltage conversion circuit, method, device and electronic device provided by the embodiments of the present disclosure are exemplarily described below with reference to the accompanying drawings.

[0046] like Figure 2 As shown, Figure 2 A schematic diagram of a voltage conversion circuit provided in an embodiment of the present disclosure, wherein the voltage conversion circuit is used to convert an input voltage into an output voltage, wherein the input voltage and the output voltage have a preset multiple or a preset ratio;

[0047] A voltage conversion circuit may include a first branch and a second branch, wherein the first branch and the second branch respectively include a plurality of first switch components and a second switch component, and the first switch components and the second switch components in the first branch and the second branch are alternately connected; the first switch component and the second switch component have different working states at the same time, and the number of switch components in the first branch and the second branch is the same, and the arrangement order of the first switch components and the second switch components in the first branch and the second branch is different.

[0048] The voltage conversion circuit also includes a first capacitor component and a second capacitor component.

[0049] See also Figure 2 , the first switch component includes a first switch component Q1, a third switch component Q3, a fifth switch component Q5, an eighth switch component Q8, a tenth switch component Q10 and a twelfth switch component Q12, the first capacitor component includes a first capacitor C31, a second capacitor C11 and a third capacitor C22; the second switch component includes a second switch component Q1, a fourth switch component Q4, a sixth switch component Q6, a seventh switch component Q7, a ninth switch component Q9 and a twelfth switch component Q12, the second capacitor component includes a fourth capacitor C21, a fifth capacitor C32 and a sixth capacitor C12;

[0050] The first branch includes a first switch Q1, a second switch Q2, a third switch Q3, a fourth switch Q4, a fifth switch Q5, and a sixth switch Q6 connected in sequence; wherein a first electrode of the first switch Q1 is connected to a first node A through a first capacitor C31, a first electrode of the third switch Q3 is connected to a first node A through a second capacitor C11, a first electrode of the fifth switch Q5 is connected to a first node A, a first electrode of the second switch Q2 is connected to a second node B through a fourth capacitor C21, and a first electrode of the fourth switch Q4 and a second electrode of the fifth switch Q5 are connected to an output node VOUT;

[0051] The second branch includes a seventh switch element Q7, an eighth switch element Q8, a ninth switch element Q9, a tenth switch element Q10, an eleventh switch element Q11 and a twelfth switch element Q12 which are connected in sequence;

[0052] Wherein, the first electrode of the seventh switch element Q7 is connected to the second node B through the fifth capacitor C32, the first electrode of the ninth switch element Q9 is connected to the second node B through the sixth capacitor C12, the first electrode of the eleventh switch element is connected to the second node B, the first electrode of the eighth switch element is connected to the first node A through the third capacitor, and the first electrode of the tenth switch element and the second electrode of the eleventh switch element are connected to the output node VOUT;

[0053] An output capacitor is connected between the second electrodes of the fifth switch element Q5 and the eleventh switch element Q11 and the ground terminal GND;

[0054] The first electrodes of the sixth switch element Q6 and the twelfth switch element Q12 are connected to the ground GND;

[0055] Input terminals of the first switching element Q1 and the seventh switching element Q7 are connected to the input node VIN.

[0056] In one embodiment of the present disclosure, the input node is not connected to an input capacitor.

[0057] In the present disclosure, voltage conversion control is achieved by converting different working states, ie, different phases, in a working cycle of the circuit and by alternating connection between the first switch component and the second switch component in different working states.

[0058] In an optional embodiment of the present disclosure, a working cycle of the conversion circuit 11 includes a first working state, such as Figure 3 As shown, Figure 3A schematic diagram of the circuit structure of a conversion circuit in a first working state provided by an embodiment of the present disclosure. In the first working state, the first switch element Q1, the third switch element Q3, the fifth switch element Q5, the eighth switch element Q8, the tenth switch element Q10, and the twelfth switch element Q12 are all turned on, and the second switch element Q2, the fourth switch element Q4, the sixth switch element Q6, the seventh switch element Q7, the ninth switch element Q9, and the eleventh switch element Q11 are all turned off.

[0059] At this time, see Figure 3 In the first working state, the input voltage VIN provides energy for the first capacitor C31 and the output voltage VOUT, and VOUT forms a loop with the second capacitor C11, the fourth capacitor C21, the sixth capacitor C12, the third capacitor C22 and the fifth capacitor C32 respectively.

[0060] Specifically, Figure 4 One shown Figure 3 The equivalent circuit diagram of the circuit structure shown in the figure, in the first working state, the connection point of the input end is connected to the first end of the first capacitor C31, the second end of the first capacitor C31 is connected to the connection point of the output end, the connection point of the output end is connected to the first end of the output capacitor COUT, and the second end of the output capacitor COUT is grounded; the connection point of the output end is connected to the second end of the second capacitor C11, the first end of the second capacitor C11 is connected to the first end of the fourth capacitor C21, and the second end of the fourth capacitor C21 is grounded; the connection point of the output end is connected to the first end of the sixth capacitor C12, and the second end of the sixth capacitor C12 is grounded; the connection point of the output end is connected to the second end of the third capacitor C22, the first end of the third capacitor C22 is connected to the first end of the fifth capacitor C32, and the second end of the fifth capacitor C32 is grounded.

[0061] In an optional embodiment of the present disclosure, a working cycle of the conversion circuit 11 includes a second working state, such as Figure 5 As shown, Figure 5 A schematic diagram of the circuit structure of a conversion circuit in a second working state provided by an embodiment of the present disclosure. In the second working state, the second switch element, the fourth switch element, the sixth switch element, the seventh switch element, the ninth switch element, and the eleventh switch element are all turned on, and the second switch element, the fourth switch element, the sixth switch element, the seventh switch element, the ninth switch element, and the eleventh switch element are all turned off.

[0062] At this time, see Figure 5 In the second working state, the input voltage VIN provides energy for the fifth capacitor C32 and the output voltage VOUT, and VOUT forms a loop with the sixth capacitor C12 and the third capacitor C22, the second capacitor C11, the fourth capacitor C21 and the first capacitor C31 respectively.

[0063] In the second working state, the second switch element Q2, the fourth switch element Q4, the sixth switch element Q6, the seventh switch element Q7, the ninth switch element Q9 and the eleventh switch element Q11 are all turned on, and the first switch element Q1, the third switch element Q3, the fifth switch element Q5, the eighth switch element Q8, the tenth switch element Q10 and the twelfth switch element Q12 are all turned off.

[0064] Specifically, Figure 6 One shown Figure 5 The equivalent circuit diagram of the circuit structure shown in the figure shows that in the second working state, the connection point of the input end is connected to the first end of the fifth capacitor C32, the second end of the fifth capacitor C32 is connected to the connection point of the output end, the connection point of the output end is connected to the first end of the output capacitor COUT, and the second end of the input capacitor COUT is grounded; the connection point of the output end is connected to the second end of the sixth capacitor C12, the first end of the sixth capacitor C12 is connected to the first end of the third capacitor C22, and the second end of the third capacitor C22 is grounded; the connection point of the output end is connected to the first end of the second capacitor C11, and the second end of the second capacitor C11 is grounded; the connection point of the output end is connected to the second end of the fourth capacitor C21, the first end of the fourth capacitor C21 is connected to the first end of the first capacitor C31, and the second end of the first capacitor C31 is grounded.

[0065] In the present disclosure, it is also possible to achieve 4n:1 voltage conversion by connecting n conversion circuits, that is, by connecting at least two voltage conversion circuits, so that the input voltage and the output voltage meet a preset multiple or a preset ratio, wherein at least two voltage conversion circuits can be connected in series or in parallel.

[0066] In summary, according to the voltage conversion circuit proposed in the present disclosure, the conversion circuit is used to convert an input voltage into an output voltage, wherein the input voltage and the output voltage have a preset multiple or a preset ratio; the conversion circuit includes a first branch and a second branch, wherein the first branch and the second branch respectively include multiple first switch components and second switch components, and the first switch components and the second switch components in the first branch and the second branch are alternately connected; the working states of the first switch component and the second switch component at the same time are different, and the number of switch components in the first branch and the second branch is the same, and the arrangement order of the first switch components and the second switch components in the first branch and the second branch is different. Compared with the related art, 4 power tubes are saved, the number of switch components is reduced, the cost is reduced, and the area of ​​the voltage conversion circuit is optimized and the voltage conversion efficiency is improved when realizing the boost or buck function.

[0067] The present disclosure also provides a voltage conversion method, which is applied to the voltage conversion circuit of any one of the above voltage conversion circuit embodiments, wherein the working cycle of the voltage conversion circuit includes a first working state and a second working state. Figure 7 As shown, Figure 7 A schematic diagram of a voltage conversion method provided by an embodiment of the present disclosure. Figure 7 , the method may include step 701, specifically:

[0068] Step 701, in one working cycle, the voltage conversion circuit converts between a first working state and a second working state, wherein the voltage conversion circuit is used to convert an input voltage into an output voltage, and the input voltage and the output voltage have a preset multiple or a preset ratio.

[0069] It should be noted that the voltage conversion circuit can be used for both voltage boosting and voltage reduction, which is not limited in the embodiments of the present disclosure.

[0070] Reference Figure 4 As shown in the equivalent circuit diagram, in the first working state of the voltage conversion circuit, the following first voltage conversion relationship can be inferred according to the voltage conversion circuit:

[0071] VIN=VC31+VOUT (1)

[0072] VOUT=VC21-VC11 (2)

[0073] VOUT=VC12 (3)

[0074] VOUT=VC32-VC22 (4)

[0075] Reference Figure 6 In the equivalent circuit diagram shown in FIG. 1 , in the second working state of the voltage conversion circuit, the following second voltage conversion relationship can be inferred based on the voltage conversion circuit:

[0076] VIN=VC32+VOUT (5)

[0077] VOUT=VC22-VC12 (6)

[0078] VOUT=VC11 (7)

[0079] VOUT=VC31-VC21 (8)

[0080] Wherein, VIN represents input voltage, VOUT represents output voltage, and in the conversion circuit, C31 represents a first capacitor, C32 represents a fifth capacitor, C21 represents a fourth capacitor, C22 represents a third capacitor, C11 represents a second capacitor, C12 represents a sixth capacitor, and COUT represents an output capacitor.

[0081] Combining the first voltage conversion relationship and the second voltage conversion relationship, the input voltage can be derived from the output voltage after voltage conversion by using formulas (1) to (8):

[0082] VC11=VC12=VOUT (9)

[0083] VC21=VC22=2VOUT (10)

[0084] VC31=VC32=3VOUT (11)

[0085] VIN=4VOUT (12)

[0086] That is, the input voltage is 4 times the output voltage.

[0087] In summary, according to the voltage conversion method proposed in the present disclosure, in one working cycle, the voltage conversion circuit converts between a first working state and a second working state, wherein the voltage conversion circuit is used to convert an input voltage into an output voltage, and the input voltage and the output voltage have a preset multiple or a preset ratio. The boost or buck function is realized through the conversion circuit to improve the voltage conversion efficiency.

[0088] In one embodiment of the present disclosure, the first switch component is a P-type transistor, and the second switch component is an N-type transistor; or, the first switch component is an N-type transistor, and the second switch component is a P-type transistor.

[0089] In the disclosed embodiment, since the on-state voltages of the P-type transistor and the N-type transistor are completely opposite, through this configuration, the same or similar voltage can be used to control the voltage conversion circuit, thereby saving power consumption in the working state of the conversion circuit and facilitating operation.

[0090] In another embodiment of the present disclosure, the voltage conversion circuit does not include an input capacitor.

[0091] In the embodiments provided in the present application, the methods and devices provided in the embodiments of the present application are introduced. In order to implement the functions in the methods provided in the embodiments of the present application, the electronic device may include a hardware structure and a software module, and implement the functions in the form of a hardware structure, a software module, or a hardware structure plus a software module. A function of the functions may be executed in the form of a hardware structure, a software module, or a hardware structure plus a software module.

[0092] Figure 8 8 is a block diagram of an electronic device 800 for implementing the voltage conversion method according to an exemplary embodiment. For example, the electronic device 800 may be a mobile phone, a computer, a messaging device, a game console, a tablet device, a medical device, a fitness device, a personal digital assistant, etc.

[0093] Reference Figure 8, the electronic device 800 may include one or more of the following components: a processing component 802 , a memory 804 , a power component 806 , a multimedia component 808 , an audio component 810 , an input / output (I / O) interface 812 , a sensor component 814 , and a communication component 816 .

[0094] The processing component 802 generally controls the overall operation of the electronic device 800, such as operations associated with display, phone calls, data communications, camera operations, and recording operations. The processing component 802 may include one or more processors 820 to execute instructions to complete all or part of the steps of the above-mentioned method. In addition, the processing component 802 may include one or more modules to facilitate the interaction between the processing component 802 and other components. For example, the processing component 802 may include a multimedia module to facilitate the interaction between the multimedia component 808 and the processing component 802.

[0095] The memory 804 is configured to store various types of data to support operations on the electronic device 800. Examples of such data include instructions for any application or method operating on the electronic device 800, contact data, phone book data, messages, pictures, videos, etc. The memory 804 can be implemented by any type of volatile or non-volatile storage device or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic disk or optical disk.

[0096] The power supply component 806 provides power to the various components of the electronic device 800. The power supply component 806 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power to the electronic device 800.

[0097] The multimedia component 808 includes a screen that provides an output interface between the electronic device 800 and the user. In some embodiments, the screen may include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive input signals from the user. The touch panel includes one or more touch sensors to sense touch, slide, and gestures on the touch panel. The touch sensor may not only sense the boundaries of the touch or slide action, but also detect the duration and pressure associated with the touch or slide operation. In some embodiments, the multimedia component 808 includes a front camera and / or a rear camera. When the electronic device 800 is in an operating mode, such as a shooting mode or a video mode, the front camera and / or the rear camera may receive external multimedia data. Each front camera and rear camera may be a fixed optical lens system or have a focal length and optical zoom capability.

[0098] The audio component 810 is configured to output and / or input audio signals. For example, the audio component 810 includes a microphone (MIC), and when the electronic device 800 is in an operating mode, such as a call mode, a recording mode, and a voice recognition mode, the microphone is configured to receive an external audio signal. The received audio signal can be further stored in the memory 804 or sent via the communication component 816. In some embodiments, the audio component 810 also includes a speaker for outputting audio signals.

[0099] I / O interface 812 provides an interface between processing component 802 and peripheral interface modules, such as keyboards, click wheels, buttons, etc. These buttons may include but are not limited to: home button, volume button, start button, and lock button.

[0100] The sensor assembly 814 includes one or more sensors for providing various aspects of status assessment for the electronic device 800. For example, the sensor assembly 814 can detect the open / closed state of the electronic device 800, the relative positioning of components, such as the display and keypad of the electronic device 800, and the sensor assembly 814 can also detect the position change of the electronic device 800 or a component of the electronic device 800, the presence or absence of contact between the user and the electronic device 800, the orientation or acceleration / deceleration of the electronic device 800, and the temperature change of the electronic device 800. The sensor assembly 814 may include a proximity sensor configured to detect the presence of nearby objects without any physical contact. The sensor assembly 814 may also include an optical sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor assembly 814 may also include an accelerometer, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.

[0101] The communication component 816 is configured to facilitate wired or wireless communication between the electronic device 800 and other devices. The electronic device 800 can access a wireless network based on a communication standard, such as WiFi, 2G or 3G, 4G LTE, 5G NR (NewRadio) or a combination thereof. In an exemplary embodiment, the communication component 816 receives a broadcast signal or broadcast-related information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, the communication component 816 also includes a near field communication (NFC) module to facilitate short-range communication. For example, the NFC module can be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology and other technologies.

[0102] In an exemplary embodiment, the electronic device 800 may be implemented by one or more application-specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable gate arrays (FPGAs), controllers, microcontrollers, microprocessors, or other electronic components to perform the above methods.

[0103] In an exemplary embodiment, a non-transitory computer-readable storage medium including instructions is also provided, such as a memory 804 including instructions, and the above instructions can be executed by the processor 820 of the electronic device 800 to complete the above method. For example, the non-transitory computer-readable storage medium can be a ROM, a random access memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, etc.

[0104] An embodiment of the present disclosure further provides a voltage conversion device, comprising at least one voltage conversion circuit described in the above embodiments.

[0105] In an embodiment of the present disclosure, the voltage conversion circuits include at least two, and the voltage conversion circuits are connected in series or in parallel with each other.

[0106] The embodiments of the present disclosure further provide a non-transitory computer-readable storage medium storing computer instructions, wherein the computer instructions are used to enable a computer to execute the voltage conversion method described in the above embodiments of the present disclosure.

[0107] An embodiment of the present disclosure further provides a computer program product, including a computer program, which executes the voltage conversion method described in the above embodiment of the present disclosure when a processor executes the computer program.

[0108] An embodiment of the present disclosure further provides a chip, which includes the voltage conversion circuit described in the above embodiment of the present disclosure.

[0109] It should be noted that the terms "first", "second", etc. in the specification and claims of the present disclosure and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present disclosure described herein can be implemented in an order other than those illustrated or described herein. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present disclosure. Instead, they are merely examples of devices and methods consistent with some aspects of the present disclosure as detailed in the appended claims.

[0110] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples" or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiments or examples are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0111] Any process or method description in a flowchart or otherwise described herein may be understood to represent a module, segment or portion of code that includes one or more executable instructions for implementing the steps of a specific logical function or process, and the scope of the preferred embodiments of the present invention includes alternative implementations in which functions may not be performed in the order shown or discussed, including performing functions in a substantially simultaneous manner or in the reverse order depending on the functions involved, which should be understood by those skilled in the art to which the embodiments of the present invention belong.

[0112] The logic and / or steps represented in the flowchart or otherwise described herein, for example, can be considered as an ordered list of executable instructions for implementing logical functions, and can be embodied in any computer-readable medium for use by an instruction execution system, device or apparatus (such as a computer-based system, a system including a processing module, or other system that can fetch instructions from an instruction execution system, device or apparatus and execute instructions), or in combination with these instruction execution systems, devices or apparatuses. For the purposes of this specification, "computer-readable medium" can be any device that can contain, store, communicate, propagate or transmit a program for use by an instruction execution system, device or apparatus, or in combination with these instruction execution systems, devices or apparatuses. More specific examples of computer-readable media (a non-exhaustive list) include the following: an electrical connection with one or more wires (control method), a portable computer disk box (magnetic device), a random access memory (RAM), a read-only memory (ROM), an erasable and programmable read-only memory (EPROM or flash memory), a fiber optic device, and a portable compact disk read-only memory (CDROM). In addition, the computer-readable medium may even be paper or other suitable medium on which the program is printed, since the program may be obtained electronically, for example, by optically scanning the paper or other medium and then editing, interpreting or otherwise processing in a suitable manner if necessary, and then stored in a computer memory.

[0113] It should be understood that the various parts of the embodiments of the present invention can be implemented by hardware, software, firmware or a combination thereof. In the above embodiments, multiple steps or methods can be implemented by software or firmware stored in a memory and executed by a suitable instruction execution system. For example, if implemented by hardware, as in another embodiment, it can be implemented by any one of the following technologies known in the art or their combination: a discrete logic circuit having a logic gate circuit for implementing a logic function for a data signal, a dedicated integrated circuit having a suitable combination of logic gate circuits, a programmable gate array (PGA), a field programmable gate array (FPGA), etc.

[0114] A person skilled in the art may understand that all or part of the steps in the method for implementing the above-mentioned embodiment may be completed by instructing related hardware through a program, and the program may be stored in a computer-readable storage medium, which, when executed, includes one or a combination of the steps of the method embodiment.

[0115] In addition, each functional unit in each embodiment of the present invention may be integrated into a processing module, or each unit may exist physically separately, or two or more units may be integrated into one module. The above-mentioned integrated module may be implemented in the form of hardware or in the form of a software functional module. If the integrated module is implemented in the form of a software functional module and sold or used as an independent product, it may also be stored in a computer-readable storage medium. The above-mentioned storage medium may be a read-only memory, a disk or an optical disk, etc.

[0116] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A voltage conversion circuit, characterized in that: include: The conversion circuit is used to convert an input voltage into an output voltage, wherein the input voltage and the output voltage have a preset multiple or a preset ratio; The conversion circuit comprises a first branch and a second branch, wherein the first branch and the second branch respectively comprise a plurality of first switch components and second switch components, and the first switch components and the second switch components in the first branch and the second branch are alternately connected; The working states of the first switch component and the second switch component at the same time are different, the number of switch components in the first branch and the second branch are the same, and the arrangement order of the first switch components and the second switch components in the first branch and the second branch is different.

2. The conversion circuit according to claim 1, characterized in that: Also includes a first capacitor component and a second capacitor component; The first electrodes of some first switch components in the first branch are connected to the first node through the first capacitor component, and the first switch components are located between the input node and the output node of the conversion circuit; the first electrodes of some second switch components in the first branch are connected to the second node through the second capacitor component, and the second switch components are located between the input node and the output node of the conversion circuit; The first poles of some second switch components in the second branch are connected to the second node through the second capacitor component, and the part of the second switch components are located between the input node and the output node of the conversion circuit. The first poles of some first switch components in the second branch are connected to the first node through the first capacitor component, and the part of the first switch components are located between the input node and the output node of the conversion circuit.

3. The conversion circuit according to claim 2, characterized in that: An output capacitor is provided between the output node of the first branch and the ground terminal, and between the output node of the second branch and the ground terminal; A first electrode of a first switch component is connected to a first node between an output node of the first branch and a ground terminal; The first electrode of the second switch component is connected to a second node between the output node of the second branch and the ground terminal.

4. The conversion circuit according to claim 3, characterized in that: The first switch assembly includes a first switch element, a third switch element, a fifth switch element, an eighth switch element, a tenth switch element and a twelfth switch element, and the first capacitor assembly includes a first capacitor, a second capacitor and a third capacitor; the second switch assembly includes a second switch element, a fourth switch element, a sixth switch element, a seventh switch element, a ninth switch element and a twelfth switch element, and the second capacitor assembly includes a fourth capacitor, a fifth capacitor and a sixth capacitor; The first branch includes a first switch, a second switch, a third switch, a fourth switch, a fifth switch and a sixth switch connected in sequence; wherein the first electrode of the first switch is connected to the first node via a first capacitor, the first electrode of the third switch is connected to the first node via a second capacitor, the first electrode of the fifth switch is connected to the first node, the first electrode of the second switch is connected to the second node via a fourth capacitor, and the first electrode of the fourth switch and the second electrode of the fifth switch are connected to the output node; The second branch includes a seventh switch element, an eighth switch element, a ninth switch element, a tenth switch element, an eleventh switch element and a twelfth switch element connected in sequence; wherein the first electrode of the seventh switch element is connected to the second node via a fifth capacitor, the first electrode of the ninth switch element is connected to the second node via a sixth capacitor, the first electrode of the eleventh switch element is connected to the second node, the first electrode of the eighth switch element is connected to the first node via a third capacitor, and the first electrode of the tenth switch element and the second electrode of the eleventh switch element are connected to the output node; An output capacitor is connected between the second electrodes of the fifth switch element and the eleventh switch element and the ground; The first poles of the sixth switch element and the twelfth switch element are grounded; Input terminals of the first switching element and the seventh switching element are connected to the input node.

5. The conversion circuit according to claim 3, characterized in that: One working cycle of the conversion circuit includes a first working state and a second working state; In the first working state, the first switch component is turned on and the second switch component is turned off; In the second working state, the first switch component is turned off, and the second switch component is turned on.

6. The conversion circuit according to claim 3, characterized in that: The first switch component is a P-type transistor, and the second switch component is an N-type transistor; or, the first switch component is an N-type transistor, and the second switch component is a P-type transistor.

7. A voltage conversion method, characterized in that: The method is used for the voltage conversion circuit according to any one of claims 1 to 6, wherein the working cycle of the voltage conversion circuit includes a first working state and a second working state, and the method includes: In one working cycle, the voltage conversion circuit converts between a first working state and a second working state, wherein the voltage conversion circuit is used to convert an input voltage into an output voltage, and the input voltage and the output voltage have a preset multiple or a preset ratio.

8. A voltage conversion device, comprising at least one voltage conversion circuit according to any one of claims 1 to 6.

9. The voltage conversion device according to claim 8, characterized in that: The voltage conversion circuits include at least two, and the voltage conversion circuits are connected in series or in parallel.

10. An electronic device, characterized in that: include: The voltage conversion circuit according to any one of claims 1 to 6.

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