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:
Jul. 20, 2021

Filed:

Jun. 14, 2018
Applicant:

Lg Chem, Ltd., Seoul, KR;

Inventors:

Keun-Wook Lee, Daejeon, KR;

Sang-Hoon Lee, Daejeon, KR;

Yean-Sik Choi, Daejeon, KR;

Assignee:

LG CHEM, LTD., Seoul, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02J 7/00 (2006.01); G01R 31/396 (2019.01); G01R 31/3835 (2019.01); H01M 10/42 (2006.01); H01M 10/48 (2006.01);
U.S. Cl.
CPC ...
H02J 7/0021 (2013.01); G01R 31/3835 (2019.01); G01R 31/396 (2019.01); H01M 10/425 (2013.01); H01M 10/482 (2013.01); H01M 2010/4271 (2013.01); H01M 2010/4278 (2013.01);
Abstract

A battery management unit for a battery module, the battery management unit including a sensing unit electrically connected to a plurality of battery cells, the sensing unit detecting voltage of each battery cell of the plurality of battery cells and outputting a detection signal including voltage information representing the detected voltage, a first power supply unit generating a first operating voltage using a module voltage of the battery module, and a communication unit which operates using the first operating voltage, the communication unit including an antenna, a wireless communication circuit and a first input port, the communication unit receiving the detection signal from the sensing unit through the first input port, testing at least one preset item based on the detection signal, and outputting a RF signal representing a result of the testing through the antenna and the wireless communication circuit.


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