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:
Feb. 01, 2022
Filed:
Sep. 09, 2020
Applicant:
Qualcomm Incorporated, San Diego, CA (US);
Inventors:
Giby Samson, San Diego, CA (US);
Foua Vang, Sacramento, CA (US);
Ramaprasath Vilangudipitchai, San Diego, CA (US);
Seung Hyuk Kang, San Diego, CA (US);
Venugopal Boynapalli, San Diego, CA (US);
Assignee:
QUALCOMM INCORPORATED, San Diego, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05F 1/46 (2006.01); H03K 19/00 (2006.01); H03K 17/22 (2006.01);
U.S. Cl.
CPC ...
G05F 1/465 (2013.01); H03K 17/223 (2013.01); H03K 19/0016 (2013.01);
Abstract
A system includes: a first power supply; a second power supply; a headswitch disposed between the first power supply and logic circuitry; an enable driver coupling the second power supply to a control terminal of the headswitch; and a voltage generator operable to adjust a control voltage from the second power supply to the control terminal of the headswitch in response to a first voltage level of the first power supply exceeding a reference voltage level.