Power supply circuit for domestic processor

Abstract

The invention discloses a power supply circuit for a domestic processor. The power supply circuit comprises a power supply module, a driving module, an external switching power supply control module, a voltage decoupling module and a voltage reduction and stabilization module, the power supply module is connected with the driving module and supplies power to the driving module; the driving module is electrically connected with the voltage decoupling module; the driving module is electrically connected with the voltage reducing and stabilizing module; and the power supply control module is connected with the power supply module, and regulates the current output of the power supply module. According to the power supply circuit for the domestic processor, the problem of power supply of domestic Weixin H8000 and Feiteng S5000C high-performance processors is solved, the circuit has an overcurrent protection function, the processors can be prevented from being damaged by accidents, the safety and reliability of products are guaranteed, and the cost is low.

Description

Technical Field

[0001] The present invention relates to the technical field of processor power supply, and in particular to a power supply circuit for a domestic processor. Background Art

[0002] The existing domestically produced multi-core high-performance processors, such as the Weixin H8000 and Feiteng S5000C processors, require a sufficiently large current for their core power supply to ensure normal operation. In addition, due to the usage of the processor, the current amplitude varies greatly, requiring the power supply circuit to have a good dynamic response.

[0003] The current existing products on the market cannot meet the power supply of such a large current, and many large current power supply circuits rely on pure imports, which cannot meet the requirements of encrypted and stable production, are not conducive to long-term use, and have poor practical performance. Summary of the invention

[0004] According to an embodiment of the present invention, a power supply circuit for a domestic processor is provided, comprising: a power supply module, a drive module, a power supply control module, a voltage decoupling module and a voltage step-down and voltage stabilization module;

[0005] The power module is connected to the drive module, and the power module supplies power to the drive module;

[0006] The driving module and the voltage decoupling module are electrically connected;

[0007] The driving module is electrically connected to the buck voltage regulator module;

[0008] The power control module is connected to the power module, and the power control module regulates the current output of the power module.

[0009] Further, the driving module includes: U133 Jingfeng Mingyuan BPD80690 chip, capacitor C3537, capacitor C3538, resistor R2714, resistor R2718, resistor R2720 and resistor R2726;

[0010] Resistor R2718, resistor R2720 and resistor R2726 are connected in parallel to the VDRV, VDD and EN terminals of the U133 Jingfeng Mingyuan BPD80690 chip respectively.

[0011] Further, the VDRV terminal of the U133 Jingfeng Mingyuan BPD80690 chip is electrically connected to the capacitor C3537, and the AGND terminal of the U133 Jingfeng Mingyuan BPD80690 chip is electrically connected to the capacitor C3538.

[0012] Further, the voltage decoupling module includes: capacitor C3533, capacitor C3524, capacitor C3523, capacitor C3522 and capacitor C3532;

[0013] Capacitors C3533, C3524, C3523, C3522 and C3532 are connected in parallel and connected to VIN of U133 Jingfeng Mingyuan BPD80690 chip respectively. <1> 、VIN <0> terminal.

[0014] Further, the buck regulator module includes: an inductor L50, a capacitor C3539, a capacitor C3546 and a capacitor C3547;

[0015] Capacitor C3539 is electrically connected to the BST terminal of the U133 Jingfeng Mingyuan BPD80690 chip;

[0016] Inductor L50 is connected to the SW terminal of the U133 Jingfeng Mingyuan BPD80690 chip;

[0017] Inductor L50 is electrically connected to capacitor C3546 and capacitor C3547;

[0018] Capacitor C3546 and capacitor C3547 are connected in parallel.

[0019] Furthermore, the power control module is an MP2973 power controller.

[0020] The power supply circuit for domestic processors according to the embodiments of the present invention solves the power supply problem of domestic Weixin H8000 and Feiteng S5000C high-performance processors. The circuit has an overcurrent protection function, which can prevent damage to the processor in unexpected situations, ensure the safety and reliability of the product, and is low in price.

[0021] It is to be understood that both the foregoing general description and the following detailed description are exemplary, and are intended to provide further explanation of the technology as claimed. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 A circuit diagram of a power module, a driving module, a voltage decoupling module and a voltage step-down and voltage stabilization module for a power supply circuit of a domestic processor according to an embodiment of the present invention;

[0023] Figure 2 It is a schematic diagram of the upper circuit of a power control module of a power supply circuit for a domestic processor according to an embodiment of the present invention;

[0024] Figure 3 The diagram is a circuit diagram of the lower half of a power control module for a power supply circuit of a domestic processor according to an embodiment of the present invention. DETAILED DESCRIPTION

[0025] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings to further illustrate the present invention.

[0026] First, combine Figures 1 to 3 The power supply circuit for a domestic processor according to an embodiment of the present invention is described, and its application scenarios are very wide, such as high-performance processors such as the Weixin H8000 processor and the Feiteng S5000C processor.

[0027] like Figures 1 to 3 As shown, the power supply circuit for a domestic processor according to an embodiment of the present invention comprises: a power supply module 1, a driving module 2, a power supply control module 3, a voltage decoupling module 4 and a voltage step-down and voltage stabilization module 5.

[0028] Specifically, Figures 1 to 3 As shown, the power module 1 is connected to the driving module 2, and the power module 1 supplies power to the driving module 2; the driving module 2 is electrically connected to the voltage decoupling module 4; the driving module 2 is electrically connected to the voltage step-down and voltage stabilizing module 5; the power control module 3 is connected to the power module 1, and the power control module 3 regulates the current output of the power module 1. In this embodiment, the power module 1 adopts an input voltage of 12V.

[0029] Further, if Figure 1 As shown, the drive module 2 includes: U133 Jingfeng Mingyuan BPD80690 chip, capacitor C3537, capacitor C3538, resistor R2714, resistor R2718, resistor R2720 and resistor R2726; resistor R2718, resistor R2720 and resistor R2726 are respectively connected to the VDRV, VDD and EN terminals of the U133 Jingfeng Mingyuan BPD80690 chip through parallel connection. In this embodiment, the Jingfeng Mingyuan BPD80690 chip can support up to twelve parallel connections through multiple items, and an external Lianzhen domestic power inductor is connected. PWM control is performed through the MP2973 controller to achieve high current output, with overcurrent protection, switch controllable, small footprint, and the number of items can be flexibly adjusted according to actual conditions to adapt to different usage requirements.

[0030] Further, if Figure 1 As shown, the VDRV terminal of the U133 Jingfeng Mingyuan BPD80690 chip is electrically connected to the capacitor C3537, and the AGND terminal of the U133 Jingfeng Mingyuan BPD80690 chip is electrically connected to the capacitor C3538.

[0031] Further, if Figure 1As shown, the voltage decoupling module 4 includes: capacitor C3533, capacitor C3524, capacitor C3523, capacitor C3522 and capacitor C3532; capacitors C3533, capacitor C3524, capacitor C3523, capacitor C3522 and capacitor C3532 are connected in parallel and connected to the VIN of the U133 Jingfeng Mingyuan BPD80690 chip respectively. <1> 、VIN <0> terminal.

[0032] Further, if Figure 1 As shown, the buck stabilizing module 5 includes: an inductor L50, a capacitor C3539, a capacitor C3546 and a capacitor C3547; the capacitor C3539 is electrically connected to the BST terminal of the U133 Jingfeng Mingyuan BPD80690 chip; the inductor L50 is connected to the SW terminal of the U133 Jingfeng Mingyuan BPD80690 chip; the inductor L50 is electrically connected to the capacitor C3546 and the capacitor C3547; the capacitor C3546 and the capacitor C3547 are connected in parallel.

[0033] Further, if Figure 2 , 3 As shown, the power control module 3 is an MP2973 power controller.

[0034] Above, refer to Figures 1 to 3 The present invention describes a power supply circuit for a domestic processor according to an embodiment of the present invention. Twelve Jingfeng Mingyuan BPD80690 chips can be controlled through a power control module 3 to achieve parallel connection of multiple power supplies. The 12V input voltage has higher stability when a single Jingfeng Mingyuan BPD80690 chip is used, and a higher energy supply environment can be achieved when 12 Jingfeng Mingyuan BPD80690 chips are used in parallel at the same time.

[0035] In addition, the power supply circuit of this embodiment can convert VIN12V into a low-voltage, high-current path. The maximum output steady-state current can reach 450 amperes, and the peak current can reach 840 amperes. It can meet the core voltage usage requirements of Weixin H8000 and Feiteng S5000C multi-core high-performance processors. At the same time, the voltage can be adjusted through the power control module 3 to meet the power requirements of Weixin H8000 and Feiteng S5000C multi-core high-performance processors, solve the power supply problem of domestic Weixin H8000 and Feiteng S5000C high-performance processors, solve the power supply problem of domestic Weixin H8000 and Feiteng S5000C high-performance processors, and solve the power supply problem of domestic Weixin H8000 and Feiteng S5000C high-performance processors. The circuit has an overcurrent protection function, which can prevent damage to the processor in unexpected situations, ensure the safety and reliability of the product, and the price is low.

[0036] It should be noted that, in this specification, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprises..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0037] Although the content of the present invention has been described in detail through the above preferred embodiments, it should be appreciated that the above description should not be considered as a limitation of the present invention. After reading the above content, it will be apparent to those skilled in the art that various modifications and substitutions of the present invention will occur. Therefore, the protection scope of the present invention should be limited by the appended claims.

Claims

1. A power supply circuit for a domestic processor, characterized in that: Contains: power module, drive module, power control module, voltage decoupling module and buck regulator module; The power supply module is connected to the driving module, and the power supply module supplies power to the driving module; The driving module is electrically connected to the voltage decoupling module; The driving module is electrically connected to the voltage step-down and voltage stabilization module; The power control module is connected to the power module, and the power control module regulates the current output of the power module.

2. The power supply circuit for a domestic processor as claimed in claim 1, characterized in that: The driving module includes: U133 Jingfeng Mingyuan BPD80690 chip, capacitor C3537, capacitor C3538, resistor R2714, resistor R2718, resistor R2720 and resistor R2726; The resistor R2718, the resistor R2720 and the resistor R2726 are respectively connected in parallel to the VDRV, VDD and EN terminals of the U133 Jingfeng Mingyuan BPD80690 chip.

3. The power supply circuit for a domestic processor as claimed in claim 2, characterized in that: The VDRV terminal of the U133 Jingfeng Mingyuan BPD80690 chip is electrically connected to the capacitor C3537, and the AGND terminal of the U133 Jingfeng Mingyuan BPD80690 chip is electrically connected to the capacitor C3538.

4. The power supply circuit for a domestic processor as claimed in claim 2, characterized in that: The voltage decoupling module includes: capacitor C3533, capacitor C3524, capacitor C3523, capacitor C3522 and capacitor C3532; The capacitor C3533, the capacitor C3524, the capacitor C3523, the capacitor C3522 and the capacitor C3532 are connected in parallel and connected to the VIN of the U133 Jingfeng Mingyuan BPD80690 chip respectively. <1> 、VIN <0> terminal.

5. The power supply circuit for a domestic processor as claimed in claim 2, characterized in that: The step-down voltage stabilization module includes: an inductor L50, a capacitor C3539, a capacitor C3546 and a capacitor C3547; The capacitor C3539 is electrically connected to the BST terminal of the U133 Jingfeng Mingyuan BPD80690 chip; The inductor L50 is connected to the SW terminal of the U133 Jingfeng Mingyuan BPD80690 chip; The inductor L50 is electrically connected to the capacitor C3546 and the capacitor C3547; The capacitor C3546 and the capacitor C3547 are connected in parallel.

6. The power supply circuit for a domestic processor as claimed in claim 1, characterized in that: The power control module is an MP2973 power controller.

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