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:
Sep. 05, 2023
Filed:
May. 24, 2018
Applicant:
Astec International Limited, Kwun Tong, HK;
Inventors:
Assignee:
Astec International Limited, Kowloon, HK;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 1/42 (2007.01); H02M 7/23 (2006.01); H02M 1/00 (2006.01);
U.S. Cl.
CPC ...
H02M 1/4208 (2013.01); H02M 1/4266 (2013.01); H02M 7/23 (2013.01); H02M 1/0009 (2021.05); H02M 1/0085 (2021.05); H02M 1/4225 (2013.01);
Abstract
An electric power supply includes a totem pole bridgeless PFC power converter. The PFC power converter includes an input for coupling to an AC power source, an output, four switching devices coupled between the input and the output, two diodes coupled between the four switching devices and the input, a first inductor coupled between the four switching devices and the two diodes, and a second inductor coupled between the two diodes and the input. Other example electric power supplies and totem pole bridgeless PFC power converters are also disclosed.