US 11,949,268 B2
Battery pack and method for controlling battery pack
Youngjin Lee, Yongin-si (KR); Jaeseung Kim, Yongin-si (KR); Gilchoun Yeom, Yongin-si (KR); Kwanil Oh, Yongin-si (KR); Hyeoncheol Jeong, Yongin-si (KR); and Seunglim Choi, Yongin-si (KR)
Assigned to Samsung SDI Co., Ltd., Yongin-si (KR)
Filed by SAMSUNG SDI CO., LTD., Yongin-si (KR)
Filed on Dec. 12, 2022, as Appl. No. 18/064,700.
Application 18/064,700 is a division of application No. 16/620,673, granted, now 11,527,901, previously published as PCT/KR2018/000951, filed on Jan. 22, 2018.
Claims priority of application No. 10-2017-0072723 (KR), filed on Jun. 9, 2017.
Prior Publication US 2023/0114618 A1, Apr. 13, 2023
Int. Cl. H02J 7/00 (2006.01); G05B 15/02 (2006.01); H01M 10/48 (2006.01); H01M 50/204 (2021.01); H01M 50/296 (2021.01)
CPC H02J 7/0068 (2013.01) [G05B 15/02 (2013.01); H01M 10/48 (2013.01); H01M 10/482 (2013.01); H01M 50/204 (2021.01); H01M 50/296 (2021.01); H02J 7/0042 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A battery pack comprising:
a plurality of slave battery modules, each of the plurality of slave battery modules comprising a battery that includes at least one battery cell and a slave controller that is configured to control charge and discharge of the battery;
a master battery module comprising a master controller configured to control the slave controller; and
a communication cable having formed thereon a first port to which the master controller is connected and a plurality of second ports to which the slave controller is connected,
wherein the first port comprises an identification terminal configured to output an identification signal, which is an electrical signal that indicates a number of the plurality of second ports,
wherein, when the master controller is electrically connected to the identification terminal, the master controller is further configured to detect the number of the plurality of second ports based on the identification signal and estimate a number of battery modules included in the battery pack.