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.
Patent No.:
Date of Patent:
Jul. 31, 2018
Filed:
Sep. 23, 2015
Applicant:
Silergy Semiconductor Technology (Hangzhou) Ltd, Hangzhou, ZheJiang Province, CN;
Inventor:
Jin Jin, Hangzhou, CN;
Assignee:
Silergy Semiconductor Technology (Hangzhou) LTD, Hangzhou, CN;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01H 37/32 (2006.01); G05F 1/569 (2006.01);
U.S. Cl.
CPC ...
H01H 37/32 (2013.01); G05F 1/569 (2013.01);
Abstract
A method of over-temperature protection for a power switch, can include: (i) generating a sensing signal by sensing a temperature of the power switch; (ii) determining a temperature threshold signal based on a conduction voltage between first and second terminals of the power switch, where a value of the temperature threshold signal is reduced as the conduction voltage increases; and (iii) turning off the power switch when the sensing signal is greater than or equal to the temperature threshold signal.