Title:
ANTI-BACKFLOW CIRCUIT STARTED BY USING FULL-BRIDGE SYNCHRONOUS RECTIFICATION, AND ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/036800
Kind Code:
A1
Abstract:
Provided in the present application are an anti-backflow circuit started by using full-bridge synchronous rectification, and an electronic device. The circuit comprises: four rectification sub-modules, the four rectification sub-modules being respectively connected to a voltage output end and two voltage input ends, wherein two rectification sub-modules are connected to a first voltage input end, and the other two rectification sub-modules are connected to a second voltage input end. Each rectification sub-module comprises: an anti-backflow sub-circuit and a rectifying transistor. With respect to two rectification sub-modules, input ports of the anti-backflow sub-circuits are connected to the first voltage input end, control ports of the anti-backflow sub-circuits are connected to the gates of the rectifying transistors, and the drains of the rectifying transistors are connected to the voltage output end. The technical solution provided in the present application has the advantage of high charging efficiency.
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Inventors:
ZHAGN LIANG (CN)
Application Number:
PCT/CN2022/133267
Publication Date:
February 22, 2024
Filing Date:
November 21, 2022
Export Citation:
Assignee:
SHENZHEN INJOINIC TECH CO LTD (CN)
International Classes:
H02J7/00; H02M1/32; H02J50/10; H02M7/219
Foreign References:
| CN115065222A | 2022-09-16 | |||
| CN114362501A | 2022-04-15 | |||
| CN1571255A | 2005-01-26 | |||
| JP2010074950A | 2010-04-02 | |||
| US6563726B1 | 2003-05-13 |
Attorney, Agent or Firm:
SCIHEAD IP LAW FIRM (CN)
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