Mainboard and computer

Abstract

The utility model relates to the technical field of computer platform charging, and discloses a mainboard which comprises a quick charging circuit, an MCU and a bridge piece. The quick charging circuit is connected with a power supply and used for charging equipment; the MCU is connected with the fast charging circuit and is used for controlling the fast charging circuit and matching a fast charging protocol; and the bridge sheet is provided with a USB3.0 interface extension which is used for being connected with a quick charging circuit and a power supply. According to the mainboard and the computer, the memory controller can be integrated in a domestic processor, the fast charging circuit is controlled through the MCU, USB 3.0 interface expansion is achieved by hooking the bridge piece, and the mainboard and the computer are connected with the fast charging circuit and a power source. Therefore, the USB Type-C interface capable of performing quick charging can be integrated on the mainboard, a quick charging protocol matched with charging equipment can be automatically identified, the charging voltage is increased or reduced, and the USB Type-C interface is compatible with various electronic equipment. The utility model further discloses a computer.

Description

Technical Field

[0001] The present application relates to the technical field of computer platform charging, for example, to a motherboard and a computer. Background Art

[0002] A computer desktop is a desktop-based personal computer device. Due to its high performance, strong scalability and large storage space, it is widely used in business office, gaming and entertainment, scientific computing and other scenarios.

[0003] With the advancement of charging technology, electronic devices such as mobile phones and tablets on the market have also begun to support fast charging technology. In order to meet people's emergency charging needs in desktop application scenarios without chargers or charging sockets, this application provides a motherboard and computer with fast charging function based on the domestic desktop platform, which helps to enhance the good user experience, fill the market gap, and improve the competitiveness of domestic desktop platform products.

[0004] It should be noted that the information disclosed in the above background technology section is only used to enhance the understanding of the background of the present application, and therefore may include information that does not constitute the prior art known to ordinary technicians in the field. Utility Model Content

[0005] In order to provide a basic understanding of some aspects of the disclosed embodiments, a brief summary is given below. The summary is not an extensive review, nor is it intended to identify key / critical components or delineate the scope of protection of these embodiments, but rather serves as a prelude to the detailed description that follows.

[0006] The disclosed embodiments provide a motherboard and a computer to meet the fast charging demand in the field of domestic desktop platforms and improve the competitiveness of desktop products designed with domestic processors.

[0007] In some embodiments, the mainboard includes a fast charging circuit, an MCU and a bridge chip. The fast charging circuit is connected to a power source for charging the device. The MCU is connected to the fast charging circuit for controlling the fast charging circuit and matching the fast charging protocol. The bridge chip is provided with a USB3.0 interface extension for connecting to the fast charging circuit and the power source.

[0008] Optionally, the charging circuit includes a USB Type-C interface circuit and a USB PD controller, the USB Type-C interface circuit is used to identify the fast charging protocol supported by the inserted device; the USB PD controller is connected to the USB Type-C interface circuit, and is configured to obtain the fast charging protocol, and sends the configuration information of the Type-C port to the MCU according to the fast charging protocol; the MCU adjusts the PWM duty cycle according to the configuration information and outputs it to the voltage conversion circuit, and the configuration information includes the connection status and charging current capability of the Type-C port.

[0009] Optionally, the voltage conversion circuit includes a switching buck-boost controller, an input end of which is connected to a power supply, and an output end of which is connected to a USB Type-C interface circuit; the switching buck-boost controller receives PWM duty cycle information sent by the MCU to adjust the output voltage to boost or buck to match the fast charging protocol.

[0010] Optionally, the voltage conversion circuit also includes detection resistors for monitoring the input current, input voltage, output current and output voltage of the mainboard; the detection resistors are respectively located at the input and output ends of the voltage conversion circuit, and the two ends of the detection resistors are connected to the positive and negative input ends of the current detection amplifier of the switching buck-boost controller, for transmitting current information and voltage information to the switching buck-boost controller.

[0011] Optionally, the USB PD controller sends configuration information to the MCU via an I2C channel.

[0012] Optionally, the USB Type-C charging interface of the charging circuit can achieve an input voltage of 2.7V to 36V and an output voltage of 2V to 36V.

[0013] Optionally, the mainboard also includes an over-temperature protection module, which is connected to the fast charging circuit to ensure charging safety.

[0014] In some embodiments, the computer includes the aforementioned mainboard.

[0015] The motherboard and computer provided by the embodiments of the present disclosure can achieve the following technical effects:

[0016] The motherboard and computer of this application can integrate a memory controller in a domestic processor, control the fast charging circuit through the MCU, connect a bridge chip to realize USB 3.0 interface expansion, and connect to the fast charging circuit and power supply. In this way, a USB Type-C interface for fast charging can be integrated on the motherboard, which can automatically identify the fast charging protocol of the matching charging device, boost or buck the charging voltage, and be compatible with a variety of electronic devices.

[0017] The above general description and the following description are exemplary and explanatory only and are not intended to limit the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] One or more embodiments are exemplarily described by corresponding drawings, which do not limit the embodiments. Elements with the same reference numerals in the drawings are shown as similar elements, and the drawings do not constitute a scale limitation, and wherein:

[0019] Figure 1 is a system block diagram of a mainboard provided by an embodiment of the present disclosure;

[0020] Figure 2 It is a schematic diagram of a fast charging circuit provided in an embodiment of the present disclosure.

[0021] Reference numerals:

[0022] 10: memory; 20: MCU; 30: bridge chip; 40: fast charging circuit; 41: voltage conversion circuit; 42: USB Type-C interface circuit; 43: USB PD controller; 50: power supply. DETAILED DESCRIPTION

[0023] In order to be able to understand the features and technical contents of the embodiments of the present disclosure in more detail, the implementation of the embodiments of the present disclosure is described in detail below in conjunction with the accompanying drawings. The attached drawings are for reference only and are not used to limit the embodiments of the present disclosure. In the following technical description, for the convenience of explanation, a full understanding of the disclosed embodiments is provided through multiple details. However, one or more embodiments can still be implemented without these details. In other cases, to simplify the drawings, well-known structures and devices can be simplified for display.

[0024] The terms "first", "second", etc. in the embodiments of the present disclosure are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the terms used in this way can be interchanged where appropriate, so as to describe the embodiments of the present disclosure described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions.

[0025] In the embodiments of the present disclosure, the terms "upper", "lower", "inside", "middle", "outside", "front", "back", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. These terms are mainly intended to better describe the embodiments of the present disclosure and their embodiments, and are not intended to limit the indicated devices, elements, or components to have specific directions, or to be constructed and operated in specific directions. Moreover, in addition to being used to indicate directions or positional relationships, some of the above terms may also be used to indicate other meanings. For example, the term "upper" may also be used to indicate a certain dependency or connection relationship in certain circumstances. For those of ordinary skill in the art, the specific meanings of these terms in the embodiments of the present disclosure can be understood according to specific circumstances.

[0026] In addition, the terms "disposed", "connected" and "fixed" should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements or components. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present disclosure can be understood according to the specific circumstances.

[0027] Unless otherwise stated, the term "plurality" means two or more.

[0028] In the embodiment of the present disclosure, the character " / " indicates that the preceding and following objects are in an "or" relationship. For example, A / B indicates: A or B.

[0029] The term "and / or" is a description of the association relationship between objects, indicating that three relationships can exist. For example, A and / or B means: A or B, or, A and B.

[0030] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present disclosure may be combined with each other.

[0031] Combination Figure 1 As shown, an embodiment of the present disclosure provides a mainboard including a fast charging circuit 40 , an MCU 20 and a bridge chip 30 .

[0032] The fast charging circuit 40 is connected to the power source 50 for charging the device.

[0033] The MCU 20 is connected to the fast charging circuit 40 and is used to control the fast charging circuit 40 and match the fast charging protocol.

[0034] The bridge chip 30 is provided with a USB 3.0 interface extension for connecting to the fast charging circuit 40 and the power source 50 .

[0035] The motherboard provided by the embodiment of the present disclosure can integrate a memory controller in a domestic processor, connect a bridge chip 30 to implement USB 3.0 interface expansion, and connect to a fast charging circuit 40 and a power supply 50. The MCU 20 negotiates voltage with the fast charging circuit 40 through an I2C channel to implement a fast charging function. In this way, a USB Type-C interface capable of fast charging can be integrated on the motherboard, which can automatically identify the fast charging protocol of the matching charging device, boost or buck the charging voltage, and be compatible with a variety of electronic devices.

[0036] Optionally, the charging circuit includes a USB Type-C interface circuit 42 and a USB PD controller 43, the USB Type-C interface circuit 42 is used to identify the fast charging protocol supported by the inserted device; the USB PD controller 43 is connected to the USB Type-C interface circuit 42, and is configured to obtain the fast charging protocol, and send the configuration information of the Type-C port to the MCU 20 according to the fast charging protocol; the MCU 20 adjusts the PWM duty cycle according to the configuration information and outputs it to the voltage conversion circuit 41, and the configuration information includes the connection status and charging current capability of the Type-C port.

[0037] Combination Figure 2As shown, the USB Type-C interface circuit 42 identifies the fast charging protocol supported by the inserted device and transmits it to the configuration channel pin of the USBPD controller 43. The USB PD controller 43 provides information such as the connection status and charging current capability of the Type-C port to the MCU 20 through the I2C channel according to the fast charging protocol. The MCU 20 adjusts the PWM duty cycle data according to the configuration information and transmits it to the voltage conversion circuit 41.

[0038] Optionally, the voltage conversion circuit 41 includes a switching buck-boost controller, an input end of which is connected to the power supply 50, and an output end is connected to the USB Type-C interface circuit 42 to realize the fast charging function; the switching buck-boost controller receives the PWM duty cycle information sent by the MCU 20, thereby adjusting the output voltage to boost or buck to match the fast charging protocol of the charging device, thereby realizing the fast charging function.

[0039] Optional, the USB Type-C charging interface of domestic desktop motherboards and computer platforms can achieve an input voltage of 2.7V to 36V, an output voltage of 2V to 36V, is compatible with a variety of fast charging protocols, and supports fast charging of a variety of electronic devices. It also has input current, voltage monitoring limit, output current, voltage monitoring limit and over-temperature protection functions, ensuring charging safety while meeting fast charging requirements.

[0040] As an example, the voltage conversion circuit 41 also includes detection resistors for monitoring the input current, input voltage, output current and output voltage of the mainboard; the detection resistors are respectively located at the input and output ends of the voltage conversion circuit 41, and the two ends of the detection resistors are connected to the positive and negative input ends of the current detection amplifier of the switching buck-boost controller, for transmitting current information and voltage information to the switching buck-boost controller.

[0041] As another example, the mainboard also includes an over-temperature protection module, which is connected to the fast charging circuit 40 to ensure charging safety.

[0042] In some embodiments, a computer includes the aforementioned mainboard.

[0043] The above description and the accompanying drawings sufficiently illustrate the embodiments of the present disclosure to enable those skilled in the art to practice them. Other embodiments may include structural and other changes. The embodiments represent only possible variations. Unless explicitly required, individual components and functions are optional, and the order of operations may vary. Portions and features of some embodiments may be included in or replace portions and features of other embodiments. The embodiments of the present disclosure are not limited to the structures described above and shown in the accompanying drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. A motherboard, characterized in that: include: A fast charging circuit (40), connected to a power source (50), for charging the device; An MCU (20) connected to the fast charging circuit (40) and used to control the fast charging circuit (40) and match a fast charging protocol; The bridge chip (30) is provided with a USB 3.0 interface extension and is used for connecting to the fast charging circuit (40) and the power source (50).

2. The mainboard according to claim 1, characterized in that: The fast charging circuit (40) comprises: A USB Type-C interface circuit (42) for identifying a fast charging protocol supported by an inserted device; A USB PD controller (43), connected to the USB Type-C interface circuit (42), configured to obtain the fast charging protocol and send configuration information of the Type-C port to the MCU (20) according to the fast charging protocol; The MCU (20) adjusts the PWM duty cycle according to the configuration information and outputs it to the voltage conversion circuit (41), wherein the configuration information includes the connection status and charging current capability of the Type-C port.

3. The mainboard according to claim 2, characterized in that: The voltage conversion circuit (41) comprises: A switch buck-boost controller, the input end of which is connected to a power source (50), and the output end of which is connected to a USB Type-C interface circuit (42); The switch buck-boost controller receives PWM duty cycle information sent by the MCU (20), thereby adjusting the output voltage to boost or buck the voltage to match the fast charging protocol.

4. The mainboard according to claim 3, characterized in that: The voltage conversion circuit (41) further includes: A detection resistor, used to monitor the input current, input voltage, output current and output voltage of the mainboard; The detection resistor is respectively located at the input end and the output end of the voltage conversion circuit (41), and the two ends of the detection resistor are connected to the positive and negative input ends of the current detection amplifier of the switch buck-boost controller, so as to transmit current information and voltage information to the switch buck-boost controller.

5. The mainboard according to claim 2, characterized in that: The USB PD controller (43) sends the configuration information to the MCU (20) via the I2C channel.

6. The mainboard according to any one of claims 2 to 5, characterized in that: The USB Type-C charging interface of the fast charging circuit (40) can achieve an input voltage of 2.7V to 36V and an output voltage of 2V to 36V.

7. The mainboard according to claim 6, characterized in that: Also includes: An over-temperature protection module is connected to the fast charging circuit (40) and is used to ensure charging safety.

8. A computer, characterized in that: Comprising the mainboard as claimed in any one of claims 1 to 7.

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