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:
Jun. 30, 2015
Filed:
Jan. 31, 2011
Applicants:
Paul J. Harriman, Belfair, WA (US);
Rong-shyang Ou, San Jose, CA (US);
Inventors:
Paul J. Harriman, Belfair, WA (US);
Rong-Shyang Ou, San Jose, CA (US);
Assignee:
SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC, Phoenix, AZ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05F 1/00 (2006.01); H02M 3/156 (2006.01); H02M 1/00 (2007.01);
U.S. Cl.
CPC ...
H02M 3/156 (2013.01); H02M 2001/0032 (2013.01); Y02B 70/16 (2013.01);
Abstract
At least one exemplary embodiment is directed to a method of switching between synchronous and nonsynchronous ramp control. An embodiment may include a power supply controller that has a trigger circuit configured to generate an RPM trigger, a timer circuit configured to generate a clock signal, and a switching circuit configured to switch a modulation mode responsively to the clock signal and the RPM signal.