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:
Jan. 16, 2024
Filed:
Dec. 07, 2021
Applicant:
Halo Microelectronics International, Campbell, CA (US);
Inventor:
Milind Chandra Gupta, San Jose, CA (US);
Assignee:
Halo Microelectronic International, Campbell, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 1/08 (2006.01); G01R 19/165 (2006.01); H02M 1/00 (2006.01);
U.S. Cl.
CPC ...
H02M 1/08 (2013.01); G01R 19/16571 (2013.01); H02M 1/0009 (2021.05);
Abstract
A method includes detecting a first current flowing through a first clamping device coupled to a gate of a power switch, determining whether an inductor current reduces to zero based upon a first comparison between the first current and a first predetermined current level, and after determining the inductor current reduces to zero, determining whether a drain voltage of the power switch enters a valley of a resonant ringing based upon a second comparison between the first current and the first predetermined current level.