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. 02, 2019
Filed:
Dec. 12, 2017
Applicant:
Futurewei Technologies, Inc., Plano, TX (US);
Inventors:
Daoshen Chen, Allen, TX (US);
Heping Dai, Plano, TX (US);
Xujun Liu, Shenzhen, CN;
Liming Ye, Frisco, TX (US);
Dianbo Fu, Plano, TX (US);
Assignee:
Futurewei Technologies, Inc., Plano, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 3/335 (2006.01); H02M 1/08 (2006.01); H02M 3/338 (2006.01); H02M 1/14 (2006.01); H02M 1/36 (2007.01); H02M 1/088 (2006.01); H02M 1/00 (2006.01); H02M 7/48 (2007.01);
U.S. Cl.
CPC ...
H02M 3/33546 (2013.01); H02M 1/08 (2013.01); H02M 1/14 (2013.01); H02M 1/36 (2013.01); H02M 3/3385 (2013.01); H02M 1/088 (2013.01); H02M 3/3353 (2013.01); H02M 3/33553 (2013.01); H02M 3/33576 (2013.01); H02M 3/33592 (2013.01); H02M 7/4807 (2013.01); H02M 2001/0006 (2013.01); H02M 2001/0058 (2013.01); H02M 2007/4818 (2013.01); Y02B 70/1433 (2013.01); Y02B 70/1441 (2013.01); Y02B 70/1491 (2013.01); Y02P 80/112 (2015.11);
Abstract
A device comprises a gate drive bridge coupled between a bias voltage of a power converter and ground and a transformer connected to the gate drive bridge, wherein the transformer comprises a primary winding connected to two legs of the gate drive bridge respectively and a plurality of secondary windings configured to generate gate drive signals for low side switches, high side switches and secondary switches of the power converter.