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:
Dec. 09, 2014
Filed:
Mar. 15, 2011
Applicants:
Jin HU, Hangzhou, CN;
Lei Du, Hangzhou, CN;
Yuancheng Ren, Hangzhou, CN;
Junming Zhang, Hangzhou, CN;
Zhijun YE, Hangzhou, CN;
Inventors:
Jin Hu, Hangzhou, CN;
Lei Du, Hangzhou, CN;
Yuancheng Ren, Hangzhou, CN;
Junming Zhang, Hangzhou, CN;
Zhijun Ye, Hangzhou, CN;
Assignee:
Monolithic Power Sytems, Inc., San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 37/02 (2006.01); H05B 33/08 (2006.01);
U.S. Cl.
CPC ...
H05B 33/0827 (2013.01); H05B 33/0812 (2013.01); H05B 33/0809 (2013.01); Y02B 20/341 (2013.01);
Abstract
Embodiments of LED driver circuits and the associated methods are disclosed herein. In one embodiment, the LED driver circuit comprises a switch-mode converter, a controller, a feedback circuit, and a gating circuit. The feedback circuit includes a current balance circuit. The gating circuit is responsive to both a current feedback signal and a voltage feedback signal and is configured to select one of them as the feedback signal.