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:
Oct. 06, 2020
Filed:
Jul. 22, 2019
Applicant:
Fdk Corporation, Tokyo, JP;
Inventors:
Yu Yonezawa, Sagamihara, JP;
Jun Oikawa, Tokyo, JP;
Eiji Nagashima, Tokyo, JP;
Yoshiyasu Nakashima, Kawasaki, JP;
Assignee:
FDK CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 3/156 (2006.01); G01R 1/20 (2006.01); G01R 19/00 (2006.01); G05F 1/10 (2006.01); H02M 1/14 (2006.01); H02M 1/00 (2006.01);
U.S. Cl.
CPC ...
H02M 3/156 (2013.01); G01R 1/203 (2013.01); G01R 19/0092 (2013.01); G05F 1/10 (2013.01); H02M 1/14 (2013.01); H02M 2001/0009 (2013.01);
Abstract
A current detection circuit included in a power supply detects a current flowing to an inductance element from a detection tap of an inductance element connected between an output terminal and an output of a first switching element. A control circuit included in the power supply controls a first control terminal of the first switching element and a second control terminal of a second switching element and calculates an output current flowing to a load based on the current detected by the current detection circuit.