Title:
ELECTRONIC DEVICE THAT RECEIVES POWER WIRELESSLY AND METHOD FOR OPERATING SAME
Document Type and Number:
WIPO Patent Application WO/2024/005515
Kind Code:
A1
Abstract:
An electronic device (103) that wirelessly receives power, according to one embodiment, may comprise: a power reception circuit including a coil (221); an impedance compensation circuit (230) electrically connected to the power reception circuit; a rectifier circuit (240) electrically connected to the impedance compensation circuit (230); a battery (260) electrically connected to the rectifier circuit (240); and a control circuit (220) electrically and/or operatively connected to the impedance compensation circuit (230), the rectifier circuit (240), and the battery (260). According to one embodiment, the control circuit (220) may be set to control the rectifier circuit (240) to rectify the power wirelessly received from an external electronic device (101) through the power reception circuit and the impedance compensation circuit (230) into direct current power. According to one embodiment, the control circuit (220) may be set to check at least one of the voltage and current of the rectified direct current power. According to one embodiment, the control circuit (220) may be set to determine a duty cycle of a control signal for controlling the impedance compensation circuit (230) on the basis of the at least one of the voltage and the current. According to one embodiment, the control circuit (220) may be set to adjust a first voltage outputted by means of the impedance compensation circuit (230) by controlling the impedance compensation circuit (230) on the basis of the duty cycle. According to one embodiment, the impedance for the power reception circuit may be compensated on the basis of the adjusted first voltage of the impedance compensation circuit (230).
Inventors:
LEE KYUNGHWAN (KR)
HA JUNGIK (KR)
MIN GEONHONG (KR)
LEE JUNHYEONG (KR)
HA JUNGIK (KR)
MIN GEONHONG (KR)
LEE JUNHYEONG (KR)
Application Number:
PCT/KR2023/008971
Publication Date:
January 04, 2024
Filing Date:
June 27, 2023
Export Citation:
Assignee:
SAMSUNG ELECTRONICS CO LTD (KR)
SEOUL NAT UNIV R&DB FOUNDATION (KR)
SEOUL NAT UNIV R&DB FOUNDATION (KR)
International Classes:
H02J50/10; H02M3/07; H02M7/219; H03H7/32
Foreign References:
| KR20160065866A | 2016-06-09 | |||
| KR20200114847A | 2020-10-07 | |||
| KR20200124036A | 2020-11-02 | |||
| US20100277003A1 | 2010-11-04 | |||
| EP3843239A1 | 2021-06-30 |
Attorney, Agent or Firm:
LEE, Keon-Joo et al. (KR)
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