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Design method for novel storage-server fan power supply circuit

A technology for storage servers and power supply lines, which is applied in the design field of new storage server fan power supply lines, can solve problems such as waste of power consumption and excessive voltage drop, and achieve the goal of solving excessive voltage drop, improving product stability and design quality Effect

Inactive Publication Date: 2018-01-19
ZHENGZHOU YUNHAI INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Solve the problems of excessive voltage drop and excessive power consumption in traditional storage server fan power supply control lines

Method used

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  • Design method for novel storage-server fan power supply circuit
  • Design method for novel storage-server fan power supply circuit
  • Design method for novel storage-server fan power supply circuit

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach

[0031] 1) Calculate the current required by the fan through the power consumption of the fan. Taking the 60W fan as an example, the storage server needs two fans, so the current required by the fan is I=P / V=60W*2 / 12V=10A.

[0032] 2) Select an appropriate external switch through the fan current. The selection switch model is CSD16415Q5, the overcurrent capability is 38A, and the on-resistance is 1 milliohm.

[0033] 3) Select the appropriate control chip. The present invention selects TI's LM5050 as the control chip to complete the design of the peripheral circuit of the chip. Design the circuit diagram as image 3 shown.

[0034] The new control switch power supply circuit is used to replace the traditional Schottky diode power supply circuit to power the fan, which not only realizes the storage server's product demand for normal power supply under abnormal conditions such as power adapter failure and mains power failure.

[0035] At the same time, it can solve the probl...

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Abstract

The invention provides a design method for a novel storage-server fan power supply circuit, and belongs to the technical field of server power supply. According to the method, the working principle for controlling a chip LM5050 is adopted, a storage-server fan power supply circuit topological structure is designed, and when the LM5050 detects that the input voltage is larger than the output voltage, the LM5050 controls an external switch to turn on; when the LM5050 detects that the input voltage is smaller than the output voltage, the LM5050 controls the external switch to turn off. The problems that pressure drop of a traditional Schottky diode power supply circuit is very large and much power is wasted, and the product stability and design quality of a storage server are improved.

Description

technical field [0001] The invention relates to server power supply technology, in particular to a design method for a novel storage server fan power supply circuit. Background technique [0002] With the rapid development of Internet technology, people have entered the era of information explosion. The requirements for the management and storage of information data are also increasing day by day. In this situation, people's demand for storage servers is also increasing. In recent years, storage servers have been widely used in the fields of the Internet, government, enterprises, and even families, and play an important role in the development of society and the improvement of people's living standards. Therefore, higher requirements are placed on the product stability of the storage server. The heat dissipation and power supply design of the storage server is also an important part of ensuring the storage server. [0003] The storage server requires that the storage ser...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F1/30G06F1/20
CPCY02D10/00
Inventor 于云杰
Owner ZHENGZHOU YUNHAI INFORMATION TECH CO LTD