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. 07, 2017
Filed:
Feb. 08, 2014
Applicant:
Nien-hui Kung, HsinChu, TW;
Inventor:
Nien-Hui Kung, HsinChu, TW;
Assignee:
RICHTEK TECHNOLOGY CORPORATION, Chupei, Hsinchu, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02J 7/04 (2006.01); H02J 3/14 (2006.01); H02J 1/04 (2006.01); H02J 7/00 (2006.01);
U.S. Cl.
CPC ...
H02J 7/0072 (2013.01); H02J 7/0052 (2013.01);
Abstract
The present invention discloses a power management circuit, and a control circuit and a control method thereof. The power management circuit converts an input voltage at an input terminal to an output voltage at an output terminal, and charges a battery from the output terminal. The present invention detects a power supplying capability of the input terminal to generate an adjustment signal, and adjusts the output voltage according to the adjustment signal.