Title:
ELECTRONIC DEVICE FOR CHARGING PLURALITY OF BATTERIES
Document Type and Number:
WIPO Patent Application WO/2022/055163
Kind Code:
A1
Abstract:
This electronic device comprises: a switching circuit including a connection terminal for connecting to an external power supply device, an input terminal connected to the connection terminal, a first output terminal, and a second output terminal; a first battery and a second battery connected in series to the power supply device through the first output terminal and physically separated from each other; a charging circuit configured to adjust the voltage or current of power received through the second output terminal and to output the adjusted voltage or current to the first battery and the second battery; a monitoring circuit configured to monitor the voltage of the first battery and the voltage of the second battery; a protection circuit configured to monitor the current charged in the first battery and the current charged in the second battery, and to stop the charging of the first battery and the charging of the second battery; and a processor connected to the switching circuit, the charging circuit, the monitoring circuit, and the protection circuit, and connected to the power supply device through the connection terminal. The electronic device can be configured to perform an operation for cell-balancing a plurality of battery cells that are physically separated from each other and have different capacities.
Inventors:
CHOI HANGSEOK (KR)
Application Number:
PCT/KR2021/011520
Publication Date:
March 17, 2022
Filing Date:
August 27, 2021
Export Citation:
Assignee:
SAMSUNG ELECTRONICS CO LTD (KR)
International Classes:
H02J7/00; G01R31/382
Foreign References:
| KR20190001830A | 2019-01-07 | |||
| US20190214837A1 | 2019-07-11 | |||
| KR20200012105A | 2020-02-05 | |||
| JP2015195653A | 2015-11-05 | |||
| KR20090119683A | 2009-11-19 |
Attorney, Agent or Firm:
YOON & LEE INTERNATIONAL PATENT & LAW FIRM (KR)
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