The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 07, 2022

Filed:

Sep. 18, 2017
Applicant:

On-bright Electronics (Shanghai) Co., Ltd., Shanghai, CN;

Inventors:

Dongze Yang, Shanghai, CN;

Yaming Cao, Shanghai, CN;

Yunchao Zhang, Shanghai, CN;

Lieyi Fang, Shanghai, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 3/335 (2006.01); H02M 1/32 (2007.01); H02H 7/12 (2006.01); H02M 1/00 (2006.01); H02M 1/08 (2006.01);
U.S. Cl.
CPC ...
H02M 3/33507 (2013.01); H02M 1/32 (2013.01); H02H 7/1213 (2013.01); H02M 1/0009 (2021.05); H02M 1/08 (2013.01); H02M 3/33515 (2013.01);
Abstract

System and method for protecting a power converter. The system includes a first comparator configured to receive a first threshold signal and a first signal and to generate a first comparison signal. The first signal is associated with an input current for a power converter. Additionally, the system includes a second comparator configured to receive a second threshold signal and the first signal and to generate a second comparison signal. The second threshold signal is different from the first threshold signal in magnitude. Moreover, the system includes a first detection component configured to receive at least the second comparison signal, detect the second comparison signal only if one or more predetermined conditions are satisfied, and generate a first detection signal based on at least information associated with the detected second comparison signal.


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Yang, Dongze. (2022). System and method providing protection in the event of current sensing failure for power converter (U.S. Patent No. 11356025). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11356025

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