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:
Jun. 29, 2021

Filed:

Mar. 21, 2019
Applicant:

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

Inventors:

Youngjun Kim, Yongin-si, KR;

Jong-Chan Han, Yongin-si, KR;

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 10/44 (2006.01); H01M 10/48 (2006.01); H02J 7/00 (2006.01); G01R 31/382 (2019.01); H01M 10/42 (2006.01); H02H 5/04 (2006.01); H02H 7/18 (2006.01);
U.S. Cl.
CPC ...
H01M 10/443 (2013.01); G01R 31/382 (2019.01); H01M 10/425 (2013.01); H01M 10/441 (2013.01); H01M 10/486 (2013.01); H02H 5/042 (2013.01); H02H 7/18 (2013.01); H02J 7/0091 (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 plurality of pack terminals to block a current flow between the battery module and the plurality of pack terminals depending on a voltage applied to a control terminal thereof; a first integrated circuit configured to include a first input terminal and configured to 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 each thermistor of the plurality of thermistors having resistance that is varied depending on a temperature of a corresponding cell among a plurality of cells constituting the battery module.


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