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Server printed circuit board power system with high reliability

A technology for server boards and power supply systems, applied in the field of server motherboard or board design, can solve problems such as failure of electrical equipment and abnormal power supply modules, and achieve the effect of avoiding downtime

Inactive Publication Date: 2018-07-13
ZHENGZHOU YUNHAI INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Since multiple devices share the same power module at the same time, when one of the devices fails, it may cause a

Method used

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  • Server printed circuit board power system with high reliability
  • Server printed circuit board power system with high reliability
  • Server printed circuit board power system with high reliability

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Such as figure 2 As shown, a high-reliability server board power supply system includes,

[0033] The first power switch module (power switch module 1) accepts 12V input voltage and is used to supply power to the first-level power consumption module (hard disk, PCIE card, fan) and power conversion module 1 and power conversion module 2 with 12V output voltage;

[0034] The power conversion module 1 provides the hard disk dedicated 5V output power supply to the secondary power consumption module (hard disk) through the third-level power switch module (power switch module 5).

[0035] The power conversion module 2 provides PCIE-specific 3.3V output power supply to the secondary power consumption module (PCIE card) through the third-level power switch module (power switch module 6).

[0036] The power switch module 1 provides a dedicated 12V output for the hard disk through a secondary power switch module (power switch module 2). The power switch module 1 provides a PCI...

Embodiment 2

[0039] A high-reliability server board power supply system, the difference from Embodiment 1 is that the power switch module receives power supply input and power enable signal (Enable), outputs power supply to the power consumption module, and outputs power supply to the logic control module Normal signal (PWRGD) and output power error signal (Error) to the board management module, which can automatically turn off the output when overcurrent occurs; logic control module, output power enable signal (Enable), accept power normal signal (PWRGD), And communicate with the board management module through I2C; the board management module receives the power error signal (Error), and communicates with the logic control signal through I2C. The working principle of the power switch module is: when the power switch module is not connected to the power module, the logic control module will not send an Enable signal, that is, the power module will not output current. When the power consump...

Embodiment 3

[0041] A high-reliability server board power supply system, comprising,

[0042] The first power switch module (power switch module 1) accepts 12V input voltage and is used to supply 12V to the primary power consumption module (hard disk, PCIE card 2, fan 1, fan 2), power conversion module 1, and power conversion module 2. output voltage supply;

[0043] The power conversion module 1 provides the hard disk dedicated 5V output power supply to the secondary power consumption module (hard disk) through the third-level power switch module (power switch module 5).

[0044] The power conversion module 2 supplies power to the PCIE card 1, and provides PCIE-specific 3.3V output power supply to the secondary power consumption module (PCIE card) through the third-level power switch module (power switch module 6).

[0045] The power switch module 1 provides a dedicated 12V output for the hard disk through a secondary power switch module (power switch module 2). The power switch module ...

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Abstract

The embodiment of the invention discloses a server printed circuit board power system with high reliability, and relates to the field of server main board or printed circuit board designs. The power system concretely comprises a first power switch module, a plurality of power changeover modules, a plurality of primary power consuming modules and a plurality of secondary power consuming modules, secondary power switch modules which are used for receiving first output voltage and supplying power to the primary power consuming modules are respectively arranged between the first power switch module and one or more primary power consuming modules, when overcurrent occurs, the output of each secondary power switch module can be automatically closed. According to the power system, the secondary power switch modules are arranged between the first power switch module and the primary power consuming modules to supply exclusive power to the primary power consuming modules. When one or more primary power consuming modules require maintenance and break down, fault power consuming modules can be effectively isolated by the secondary power switch modules, it can be avoided that the whole printedcircuit board power system is out of order to cause the server downtime.

Description

technical field [0001] The invention relates to the field of server mainboard or board design. Background technique [0002] In practical applications, the server needs to be able to run stably for a long time in the computer room. If the failure of a certain component in the server causes the entire system to go down, the loss to the user is huge. The power supply system on the server board is responsible for the power supply of the processor, memory, IO device, hard disk and other peripheral circuits. During the long-term operation, the power system has a certain probability of different failures, sometimes it is the failure of the power system itself, but more often it is caused by abnormal operations such as short circuit and overcurrent of electrical equipment such as IO equipment, hard disks, and peripheral circuits. Failure of the power system. [0003] In the prior art, multiple power supply modules are designed on the server board to provide current for different...

Claims

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Application Information

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IPC IPC(8): G06F1/30
CPCG06F1/30
Inventor 义日贵李岩
Owner ZHENGZHOU YUNHAI INFORMATION TECH CO LTD
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