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:
Apr. 28, 2020
Filed:
Jun. 09, 2017
Applicant:
Silergy Semiconductor Technology (Hangzhou) Ltd, Hangzhou, ZheJiang Province, CN;
Inventors:
Xiaodong Huang, Hangzhou, CN;
Hejinsheng Cao, Hangzhou, CN;
Assignee:
Silergy Semiconductor Technology (Hangzhou) LTD, Hangzhou, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/36 (2020.01); G01R 31/387 (2019.01); G01R 31/367 (2019.01); G01R 31/374 (2019.01); G01R 31/389 (2019.01); G01R 31/396 (2019.01);
U.S. Cl.
CPC ...
G01R 31/387 (2019.01); G01R 31/367 (2019.01); G01R 31/374 (2019.01); G01R 31/389 (2019.01); G01R 31/396 (2019.01);
Abstract
A method of detecting a state of charge of a battery, can include: obtaining an open circuit voltage in a present cycle according to an open circuit voltage of a previous cycle, a battery internal resistance of the previous cycle, and a battery capacitance of the previous cycle, where the battery internal resistance and the battery capacitance are updated according to the state of charge of the battery; and determining the state of charge of the battery according to the open circuit voltage in the present cycle.