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. 08, 2020
Filed:
Aug. 21, 2019
Applicant:
Dialog Semiconductor Inc., Campbell, CA (US);
Inventors:
Assignee:
DIALOG SEMICONDUCTOR INC., Campbell, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 1/42 (2007.01); H02M 3/157 (2006.01);
U.S. Cl.
CPC ...
H02M 1/4225 (2013.01); H02M 1/4208 (2013.01); H02M 3/157 (2013.01);
Abstract
An adaptive pulse frequency modulation for a switching power converter is provided that varies the switching frequency across a cycle of a rectified input voltage for the switching power converter From a beginning of the cycle of the rectified input voltage, the switching frequency decreases from a maximum value to a minimum value at a mid-point of the cycle and then increases from the mid-point back to the maximum value at an end of the cycle.