公开(公告)号：US20240283274A1

公开(公告)日：2024-08-22

申请号：US18583593

申请日：2024-02-21

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sungwoo Lee ,  Sungwoo Moon ,  Jinwoo So ,  Daewoong Cho ,  Yonghwan Cho ,  Jungwook Heo

IPC: H02J7/00

CPC classification number: H02J7/00712 ,  H02J7/0048 ,  H02J2207/20

Abstract: A charging integrated circuit (IC) includes a battery, a switched capacitor IC comprising a second power stage for direct charging, and a switching charger IC comprising a first power stage for switching charging, a power meter configured to obtain information about input/output voltage and current, and a control circuit configured to perform switching charging by controlling the first power stage or perform direct charging through the switched capacitor IC by controlling the second power stage.

公开(公告)号：US11575267B2

公开(公告)日：2023-02-07

申请号：US17011065

申请日：2020-09-03

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sungwoo Lee ,  Minkyu Kwon ,  Hyoungseok Oh ,  Yonghwan Cho

IPC: H02J7/00 ,  H01M10/44 ,  H01M10/48

Abstract: A charger integrated circuit for charging a battery device including a first battery and a second battery includes; a first charger configured to generate a first charging current from an input voltage when the input voltage is received from an input voltage terminal, and a battery switch configured to provide the first charging current to the battery device, the battery switch comprising a plurality of transistors for connecting the first battery and the second battery in series or in parallel based on the input voltage, a first both-end voltage of the first battery and a second both-end voltage of the second battery.