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.

Date of Patent:
Aug. 13, 2024

Filed:

Mar. 31, 2021
Applicant:

Samsung Sdi Co., Ltd., Yongin-si, KR;

Inventors:

Youngjun Kim, Yongin-si, KR;

Jong-Chan Han, Yongin-si, KR;

Chul-Seung Lee, Yongin-si, KR;

Assignee:

Samsung SDI Co., Ltd., Yongin-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02J 7/00 (2006.01); H01M 10/42 (2006.01); H01M 50/204 (2021.01); H01M 50/581 (2021.01);
U.S. Cl.
CPC ...
H02J 7/0031 (2013.01); H01M 10/4207 (2013.01); H01M 10/425 (2013.01); H01M 50/204 (2021.01); H01M 50/581 (2021.01); H02J 7/0013 (2013.01); H02J 7/0048 (2020.01); H01M 2010/4271 (2013.01); H01M 2200/103 (2013.01);
Abstract

A battery protection circuit includes: a plurality of pack terminals configured to connect a battery module to an external device; a first fuse element located on a current path between the battery module and the pack terminals to block a current flow between the battery module and the pack terminals depending on a voltage applied to a control terminal thereof; a first integrated circuit configured to include a first input terminal and control a voltage outputted to the control terminal of the first fuse element depending on a voltage applied to the first input terminal; and a plurality of thermistors connected in series between a positive electrode of the battery module and a first input terminal of the first integrated circuit and having resistance that is varied depending on a temperature of a corresponding cell among a plurality of cells constituting the battery module.


Find Patent Forward Citations

Loading…