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. 26, 2022
Filed:
Jun. 28, 2019
Lg Chem, Ltd., Seoul, KR;
Young-Ho Kim, Daejeon, KR;
Min-Soo Choi, Daejeon, KR;
Abstract
A battery management system, a battery pack including same and a method for determining a failure in a current detecting circuit. The system includes the current detecting circuit configured to detect a reference current representing a current flowing through a high current path of the battery pack, a bidirectional switch including a charging FET and a discharging FET installed on the high current path, and a control unit. The control unit detects a first voltage across the charging FET and a second voltage across the discharging FET while a first high level voltage is applied to a gate of the charging FET and a second high level voltage is applied to a gate of the discharging FET. The control unit determines a failure in the current detecting circuit based on at least one of the first voltage and the second voltage and the reference current.