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. 29, 2014
Filed:
Oct. 24, 2013
Applicant:
Richtek Technology Corp., Chupei, TW;
Inventors:
Pei-Kai Tseng, Keelung, TW;
Chien-Fu Tang, Hsinchu, TW;
Issac Y. Chen, Jubei, TW;
Jyun-Che Ho, Xikou Township, Chiayi County, TW;
Assignee:
Richtek Technology Corp., Chupei, Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 3/00 (2006.01); H03K 5/1536 (2006.01);
U.S. Cl.
CPC ...
H03K 5/1536 (2013.01);
Abstract
A high voltage half-bridge driver circuit has a high voltage terminal and a floating node to be connected with a high side switch therebetween. When turning on the high side switch, a high voltage offset detection circuit detects a voltage related to the voltage at the floating node for triggering a zero voltage switching signal.