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:
Aug. 13, 2024
Filed:
Nov. 20, 2020
Applicant:
Lg Energy Solution, Ltd., Seoul, KR;
Inventor:
Lyang Wook Jo, Daejeon, KR;
Assignee:
LG Energy Solution, Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/26 (2020.01); G01R 31/27 (2006.01); H01M 10/42 (2006.01);
U.S. Cl.
CPC ...
G01R 31/2621 (2013.01); G01R 31/27 (2013.01); H01M 10/42 (2013.01);
Abstract
A circuit and diagnosis method capable of individually diagnosing abnormality of a plurality of internal FETs constituting a MOSFET provided between a secondary battery pack and an electric vehicle. Voltage at both ends of each of the internal FETs is measured while individually turning ON/OFF the internal FETs, and is compared with a diagnosis table in order to determine abnormality thereof.