Title:
ELECTRONIC DEVICE COMPRISING CHARGING CIRCUIT
Document Type and Number:
WIPO Patent Application WO/2022/035196
Kind Code:
A1
Abstract:
An electronic device according to an embodiment disclosed in the present document comprises a battery, a power management module, a reception coil, and a processor, wherein: the power management module includes a rectifier circuit, a charging circuit, and a rectifying capacitor; and the power management module can generate a synchronization signal based on the current flowing through the output terminal of the rectifier circuit, and control the switching frequency or whether to operate a plurality of switches, included in the charging circuit, on the basis of the synchronization signal.
Inventors:
CHOI HANGSEOK (KR)
Application Number:
PCT/KR2021/010599
Publication Date:
February 17, 2022
Filing Date:
August 10, 2021
Export Citation:
Assignee:
SAMSUNG ELECTRONICS CO LTD (KR)
International Classes:
H02M7/219; H01F38/14; H02J7/00; H02J50/12; H02M1/00; H02M1/14; H02M3/155
Domestic Patent References:
| WO2017110369A1 | 2017-06-29 |
Foreign References:
| KR20180034411A | 2018-04-04 | |||
| KR20060091832A | 2006-08-22 | |||
| KR101471806B1 | 2014-12-10 | |||
| US20150341085A1 | 2015-11-26 |
Other References:
See also references of EP 4181383A4
Attorney, Agent or Firm:
BAE, KIM & LEE IP (KR)
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