Small-power isolation DC-DC power source

A DC-DC, low-power technology, applied in the output power conversion device, the conversion of DC power input to DC power output, electrical components, etc., can solve the problem of difficult to use monitoring signals, etc., to achieve the effect of convenient use

Inactive Publication Date: 2014-01-01
江苏能动电子科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Usually, the control system monitors the input power at the input end of the electronic equipment. The disadvantage is that it is difficult to use these monitoring signals in the design of the system fault diagnosis program and safety detection program.

Method used

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  • Small-power isolation DC-DC power source

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Embodiment Construction

[0013] The following will clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0014] see figure 1 , a low-power isolated DC-DC power supply, comprising: an input terminal 1, a current limiting circuit 2, a full-bridge rectifier circuit 3, a voltage stabilizing circuit 4, and an output terminal 5 electrically connected in sequence, and the output terminal 5 is electrically connected A protection circuit 6 is connected, a state detection circuit 7 is electrically connected between the input end 1 and the output end 5 , and an input filter circuit 8 is connected to the input end 5 .

[0015] In ...

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Abstract

The invention discloses a small-power isolation DC-DC power source which comprises an input end, a current limiting circuit, a full-bridge rectification circuit, a voltage stabilizing circuit and an output end. The output end is electrically connected with a protection circuit, a state detection circuit is electrically connected between the input end and the output end, and the input end is connected with an input filter circuit. Therefore, the small-power isolation DC-DC power source has a detection function and is safe, reliable, and convenient to use, and automatic adjusting is realized.

Description

technical field [0001] The invention relates to the field of electronic power supplies, in particular to a low-power isolated DC-DC power supply. Background technique [0002] At present, there are many electronic devices using DC power supply, and the required DC voltages are different, and the voltage level of the storage battery cannot meet the voltage requirements of the electronic devices. The DC-DC isolated power supply is to convert the input DC power supply voltage into the required DC power supply voltage. Now there are many kinds of DC-DC isolated power supplies, which provide input and output DC power supplies of various voltage levels. However, in important usage occasions, the control system must monitor the status of the DC-DC isolated power supply, such as on a ship, it is necessary to monitor the status of various power supplies. Usually, the control system monitors the input power at the input end of the electronic equipment. The disadvantage is that it is...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M3/00
Inventor 吴伟
Owner 江苏能动电子科技有限公司
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