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:
Jan. 21, 2020

Filed:

May. 24, 2017
Applicant:

Fairchild Korea Semiconductor, Ltd., Bucheon, Gyeonggi-do, KR;

Inventors:

Hyun-Chul Eum, Bucheon, KR;

Young-Jong Kim, Seoul, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 3/335 (2006.01); H02M 1/08 (2006.01); H03G 1/00 (2006.01); H02M 1/32 (2007.01); H05B 33/08 (2006.01); H02M 1/00 (2006.01);
U.S. Cl.
CPC ...
H02M 3/33507 (2013.01); H02M 1/08 (2013.01); H02M 1/32 (2013.01); H02M 3/33515 (2013.01); H03G 1/0088 (2013.01); H05B 33/083 (2013.01); H05B 33/0812 (2013.01); H05B 33/0815 (2013.01); H05B 33/0824 (2013.01); H05B 33/0842 (2013.01); H05B 33/0845 (2013.01); H05B 33/0851 (2013.01); H05B 33/0887 (2013.01); H02M 2001/0009 (2013.01);
Abstract

A method includes comparing a value of a current sense signal indicating an output signal of a power converter to a value of a threshold signal, adjusting a value of a first count signal in response to the comparison result, and determining whether or not the power converter is operating in an overload condition using the first count signal. A circuit includes an overload monitor comparing a value of a current sense signal to a value of a threshold signal, adjusting a value of a first count signal in response to the comparison result, and determining whether or not the power converter is operating in an overload condition using the first count signal. The circuit further includes an overload protection signal generator generating an overload protection signal indicating whether or not the power converter is operating in the overload condition.


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