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. 01, 2014
Filed:
Dec. 02, 2011
Yuancheng Ren, Hangzhou, CN;
BO Zhang, Hangzhou, CN;
Miao Lei, Hangzhou, CN;
Junming Zhang, Hangzhou, CN;
James C Moyer, San Jose, CA (US);
Eric Yang, Saratoga, CA (US);
Yuancheng Ren, Hangzhou, CN;
Bo Zhang, Hangzhou, CN;
Miao Lei, Hangzhou, CN;
Junming Zhang, Hangzhou, CN;
James C Moyer, San Jose, CA (US);
Eric Yang, Saratoga, CA (US);
Chengdu Monolithic Power Systems Co., Ltd., Chengdu, CN;
Abstract
A bridgeless PFC (power factor correction) converter with improved efficiency is disclosed. The bridgeless PFC converter comprises: a first input terminal and a second input terminal configured to receive an input AC signal; an output terminal; an inductor set comprising N inductors, wherein a first terminal of each inductor is coupled to the first input terminal; and an output stage comprising (N+1) switching circuits coupled between the output terminal and a ground node.