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:
Oct. 11, 2016

Filed:

Dec. 20, 2013
Applicant:

Samsung Electro-mechanics Co., Ltd., Suwon-si, Gyeonggi-do, KR;

Inventors:

Yu Jin Jang, Suwon-si, KR;

Jeong Mo Yang, Suwon-si, KR;

Hwan Cho, Suwon-si, KR;

Assignee:

SOLUM CO., LTD., Suwon-Si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02H 7/00 (2006.01); H02H 9/00 (2006.01); H02H 7/12 (2006.01);
U.S. Cl.
CPC ...
H02H 7/12 (2013.01);
Abstract

Disclosed herein are an overload and short-circuit sensing circuit and a converter protecting circuit and method. The overload and short-circuit sensing circuit includes: an overcurrent sensing unit sensing a primary current of a converter; a voltage level adjusting unit adjusting a voltage level of the sensed primary current; a rectifying unit rectifying the signal adjusted by the voltage level adjusting unit; a short-circuit sensing unit sensing a current induced to a primary side of the converter due to a short-circuit or an overcurrent at a secondary side of the converter, separately from the overcurrent sensing unit; and a delay unit delaying the signal provided from the rectifying unit and the induced current sensing signal provided from the short-circuit sensing unit and providing the delayed signals to a control circuit for protecting the converter.


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