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:
Apr. 29, 2025
Filed:
Dec. 24, 2019
Applicant:
Wolfspeed, Inc., Durham, NC (US);
Inventors:
Chen Wei, Shenzhen, CN;
Dongfeng Zhu, Shenzhen, CN;
Haitao Xie, Shenzhen, CN;
Ying Liu, Shenzhen, CN;
Jianwen Shao, Cary, NC (US);
Assignee:
Wolfspeed, Inc., Durham, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 3/335 (2005.12); H02J 7/02 (2015.12);
U.S. Cl.
CPC ...
H02M 3/33584 (2012.12); H02J 7/02 (2012.12); H02M 3/33573 (2021.04); H02J 2207/20 (2019.12);
Abstract
A bidirectional power converter includes a first switch circuit coupled to a second switch circuit via a transformer, wherein the first switch circuit is configured to transfer power to the second switch circuit during a charging mode, the second switch circuit is configured to transfer power to the first switch circuit during a discharging mode, and the first switch circuit is configured to operate in a half bridge configuration during a first portion of the charging mode.