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:
Jul. 20, 2021
Filed:
Mar. 25, 2019
Samsung Sdi Co., Ltd., Yongin-si, KR;
Tae Jin Lee, Yongin-si, KR;
Samsung SDI Co., Ltd., Yongin-si, KR;
Abstract
A battery pack includes a battery and a battery management system to control and manage charging and discharging of the battery. The battery management system includes an external terminal connected to a charger or an external electronic device, a cell terminal connected to the battery, a charge field effect transistor (FET) and a discharge FET connected between the external terminal and the cell terminal, a voltage sensor to measure a battery voltage of the battery, a comparator comparing the battery voltage with a reference voltage to determine whether the battery pack is in an overdischarged state, and a controller controlling the charge FET to be cut off to prevent a charge operation of the battery, if the comparator determines that the battery pack is in an overdischarged state.