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:
May. 13, 2025
Filed:
Feb. 13, 2023
Applicant:
Huawei Digital Power Technologies Co., Ltd., Guangdong, CN;
Inventors:
Assignee:
Huawei Digital Power Technologies Co., Ltd., Shenzhen, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 1/42 (2007.01); H02M 1/32 (2007.01); H02M 1/44 (2007.01); H02M 3/04 (2006.01); H02M 7/217 (2006.01);
U.S. Cl.
CPC ...
H02M 1/4208 (2013.01); H02M 1/32 (2013.01); H02M 1/44 (2013.01); H02M 3/04 (2013.01); H02M 7/217 (2013.01);
Abstract
A power factor correction (PFC) circuit includes an alternating current input circuit, a totem-pole PFC circuit, an input sampling circuit, an output sampling circuit, and a PFC control protection circuit. A first output terminal of the alternating current input circuit is respectively connected to a first input terminal of the totem-pole PFC circuit and a first input terminal of the input sampling circuit.