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Multi-path high-power power supply method for low-voltage equipment

A power supply method and technology for low-voltage equipment, applied in the direction of output power conversion devices, electrical components, etc., can solve problems such as low stability, slow response speed, and complex peripheral circuit design, and achieve fast response speed, prevent current backfeeding, low cost effect

Inactive Publication Date: 2016-09-21
SHANDONG CHAOYUE DATA CONTROL ELECTRONICS CO LTD
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Problems solved by technology

It aims to solve the problems of multi-channel low-voltage equipment power supply requirements, complex peripheral circuit design, slow response speed and low stability

Method used

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  • Multi-path high-power power supply method for low-voltage equipment

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Embodiment Construction

[0015] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be described in detail below with reference to the drawings and embodiments, and by taking two power supply circuits as an example. It should be noted that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0016] In this multi-channel high-power power supply method for low-voltage equipment, the power supply system uses two external power supplies VCC1 and VCC2 to supply power to two power supply circuits. Each power supply circuit is connected to one external power supply VCC. Each power supply circuit includes two MOS tubes and MOS tubes. The tube drive circuit drives two MOS tubes through the MOS tube drive circuit, and each power supply circuit controls the connection of the power supply through the MOS tube; the two MOS tubes are respec...

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Abstract

The invention relates to a multi-path high-power power supply method for low-voltage equipment. According to the multi-path high-power power supply method for the low-voltage equipment, multiple external power supplies VCC are used for supplying power for multiple power supply circuits, each power supply circuit comprises two MOS tubes and an MOS tube drive circuit, the two MOS tubes are driven through the MOS tube drive circuit, each power supply circuit controls the connection of the power supplies in a source electrode butt-joint manner of the two MOS tubes, and mutual interference of the power supply circuits caused by backward current flowing is prevented. According to the multi-path high-power power supply method for the low-voltage equipment, the circuit is simple in structure, input interfaces of the multiple power supplies are provided, high-load equipment can be hooked, and backward current flowing can also be prevented; and the multi-path high-power power supply method is applicable for low-voltage multi-stage interconnecting equipment, has the characteristics of low cost, high response speed, stability and reliability, and is suitable for popularization and application.

Description

technical field [0001] The invention relates to the technical field of low-voltage equipment power supply circuit design, in particular to a multi-channel high-power power supply method for low-voltage equipment. Background technique [0002] Low-voltage equipment is an important part of the electronics and computer fields. Whether it can operate normally is directly related to whether electronic products can operate normally, smoothly and safely. However, multi-channel low-voltage equipment will cause a large current load, heat the equipment, and cause resource loss. [0003] In order to meet the power demand of multi-channel low-voltage equipment, electronic products must adopt a redundant power supply system, and require a large output current of the power supply. When working normally, all power supply boards supply power together, but when one or several power supply boards fail, the remaining power boards will bear all the electrical loads. In order to avoid current ...

Claims

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Application Information

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IPC IPC(8): H02M1/10
CPCH02M1/10
Inventor 袁启孟耿士华吴之光
Owner SHANDONG CHAOYUE DATA CONTROL ELECTRONICS CO LTD
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