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. 12, 2016
Filed:
Mar. 14, 2013
Applicant:
Qualcomm Incorporated, San Diego, CA (US);
Inventors:
Nihit Bajaj, San Diego, CA (US);
Cheong Kun, San Diego, CA (US);
Baiying Yu, Santa Clara, CA (US);
Hua Guan, San Diego, CA (US);
Assignee:
QUALCOMM Incorporated, San Diego, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02J 7/04 (2006.01); H02J 7/00 (2006.01);
U.S. Cl.
CPC ...
H02J 7/0052 (2013.01); H02J 7/0031 (2013.01); H02J 7/0034 (2013.01); H02J 2007/0037 (2013.01); Y10T 307/625 (2015.04);
Abstract
Disclosed is battery charging circuit having a first detection circuit and a second detection circuit for detecting when to terminate an activated voltage collapse protection operation. The first detection circuit may be an analog design and the second detection circuit may include digital circuitry.