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:
Nov. 06, 2018
Filed:
Jul. 05, 2018
Applicant:
Nxp Usa, Inc., Austin, TX (US);
Inventors:
Dechang Wang, Suzhou, CN;
Yangjie Zhang, Suzhou, CN;
Xiang Gao, Shanghai, CN;
Lingling Wang, Shanghai, CN;
Assignee:
NXP USA, INC., Austin, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05F 1/70 (2006.01); H02M 7/219 (2006.01); H02M 1/42 (2007.01); H02J 50/10 (2016.01);
U.S. Cl.
CPC ...
H02M 1/4225 (2013.01); G05F 1/70 (2013.01); H02J 50/10 (2016.02); H02M 7/219 (2013.01);
Abstract
A bridgeless power factor correction (PFC) circuit has first and second nodes, and first and second current paths connected between the first and second nodes. The first current path includes a first semiconductor device and a first switch element, and the second current path includes a second semiconductor device and a second switch element. One of the first and the second current paths further includes first and second sensing elements that are oppositely connected in series.