US 12,034,321 B2
Charger integrated circuit for charging battery device and electronic device including the charger integrated circuit
Sung-woo Lee, Hwaseong-si (KR); Sang-bin Moon, Seongnam-si (KR); Hyoung-seok Oh, Seoul (KR); and Jung-wook Heo, Yongin-si (KR)
Assigned to SAMSUNG ELECTRONICS CO., LTD., Gyeonggi-do (KR)
Filed by SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed on May 18, 2023, as Appl. No. 18/199,053.
Application 18/199,053 is a continuation of application No. 17/826,492, filed on May 27, 2022, granted, now 11,664,666.
Application 17/826,492 is a continuation of application No. 16/539,541, filed on Aug. 13, 2019, granted, now 11,349,317, issued on May 31, 2022.
Claims priority of application No. 10-2018-0136156 (KR), filed on Nov. 7, 2018; and application No. 10-2019-0006922 (KR), filed on Jan. 18, 2019.
Prior Publication US 2023/0291211 A1, Sep. 14, 2023
Int. Cl. H02J 7/00 (2006.01); H02J 50/10 (2016.01)
CPC H02J 7/0014 (2013.01) [H02J 7/0047 (2013.01); H02J 7/007182 (2020.01); H02J 50/10 (2016.02); H02J 7/0048 (2020.01)] 19 Claims
OG exemplary drawing
 
1. A charger integrated circuit (IC), comprising:
a first charger to be connected between an input voltage terminal and a high voltage terminal of battery cells connected in series, the first charger to charge the battery cells by providing a first charge current to the high voltage terminal using the input voltage received from the input voltage terminal in a first charge mode;
a second charger to be connected to a connection node between the battery cells, the second charger to provide a second charge current to the connection node using the input voltage received from the input voltage terminal in a second charge mode; and
a balancing circuit electrically connected to the battery cells, the balancing circuit to balance voltages of the battery cells,
wherein the first charger is deactivated in the second charge mode, and the second charger is deactivated in the first charge mode.