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Converter circuit

A converter and circuit technology, applied in the field of circuits, can solve problems such as failure to start

Inactive Publication Date: 2012-09-12
苏州工业园区华锐装饰工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the terminal voltage that solar cells can generally provide is only 0.8-1.4V, and its current capacity can reach 3-4A
Most DC / DC converters can neither start at such a low voltage nor at full load

Method used

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Embodiment Construction

[0017] The present invention will be specifically described below in conjunction with the accompanying drawings and specific embodiments.

[0018] The circuit schematic diagram of the converter circuit of the present embodiment:

[0019] A converter circuit consists of two control chips IC1, IC2, a MOS tube Q, two diodes D1, D2, two inductors L1, L2, three resistors R1, R2, R3 and four capacitors C1, C2, C 3, C4 are connected,

[0020] The voltage input terminal Vin is connected in series with the inductor L1 to the No. 1 port of the control chip IC1, and a grounding capacitor C1 is also connected to the voltage input terminal Vin;

[0021] Diode D1 is connected in series between port 1 and port 2 of control chip IC1, and port 2 and port 3 of control chip IC1 are directly connected in series; port 4 of control chip IC1 is directly connected to a grounding capacitor C2; Port 5 and port 6 are connected in series and grounded;

[0022] The No. 1 port of the control chip IC2 is...

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PUM

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Abstract

The invention relates to a converter circuit. The converter circuit comprises two control chips IC1 and IC2, a metal oxide semiconductor transistor Q, two diodes D1 and D2, two inductors L1 and L2, three resistors R1, R2 and R3 and four capacitors C1, C2, C3 and C4, which are connected. According to the converter circuit consisting of the two control chips, the requirements of startup under low input voltage can be met, and 5V voltage can be output under a full-load condition.

Description

technical field [0001] The invention relates to the field of circuits, in particular to a converter circuit. Background technique [0002] Applications that use solar cells as a power source typically require 5V. However, the terminal voltage that a solar cell can generally provide is only 0.8-1.4V, and its current capacity can reach 3-4A. Most DC / DC converters can neither start at such a low voltage nor start at full load. Contents of the invention [0003] In order to overcome the deficiencies of the above technologies, the present invention provides a simple and effective converter circuit. [0004] The present invention is achieved through the following technical solutions: [0005] A converter circuit consists of two control chips IC1, IC2, a MOS tube Q, two diodes D1, D2, two inductors L1, L2, three resistors R1, R2, R3 and four capacitors C1, C2, C3 and C4 are connected, [0006] The voltage input terminal Vin is connected in series with the inductor L1 to the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M3/155
Inventor 张海虹
Owner 苏州工业园区华锐装饰工程有限公司