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:
Jul. 21, 2015

Filed:

Jan. 19, 2010
Applicants:

Paul Garrity, Rockwall, TX (US);

Zaohong Yang, Richardson, TX (US);

Inventors:

Paul Garrity, Rockwall, TX (US);

Zaohong Yang, Richardson, TX (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02M 7/217 (2006.01); H02M 7/219 (2006.01); H02M 1/42 (2007.01); H02M 7/00 (2006.01);
U.S. Cl.
CPC ...
H02M 7/219 (2013.01); H02M 1/4225 (2013.01); Y02B 70/126 (2013.01); Y02B 70/1408 (2013.01);
Abstract

A controller for a power converter and method of operating the same employable with a bridge rectifier having first and second synchronous rectifier switches. In one embodiment, the controller includes an amplifier configured to enable a turn-on delay for the first synchronous rectifier switch. The controller also includes a discharge switch having first and second switched terminals coupled to gate and source terminals, respectively, of the first synchronous rectifier switch and configured to discharge a gate-to-source capacitance of the first synchronous rectifier switch to enable a turn off thereof.


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