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:
Jul. 11, 2017
Filed:
Jan. 27, 2015
Applicant:
Qualcomm Incorporated, San Diego, CA (US);
Inventors:
Honghao Ji, San Diego, CA (US);
Dongwon Seo, San Diego, CA (US);
Assignee:
QUALCOMM Incorporated, San Diego, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02H 3/18 (2006.01); H01L 27/02 (2006.01); H02H 11/00 (2006.01);
U.S. Cl.
CPC ...
H02H 3/18 (2013.01); H01L 27/0266 (2013.01); H01L 27/0292 (2013.01); H02H 11/003 (2013.01);
Abstract
A reverse current protection (RCP) circuit is provided that includes an RCP switch coupled between a power supply rail and a buffer power supply node. A control circuit powered by a buffer supply voltage on the buffer power supply node controls the RCP switch to open in response to a discharge of a power supply voltage carried on the power supply rail.