Title:
WIRELESS POWER RECEPTION DEVICE HAVING DETUNE CIRCUIT
Document Type and Number:
WIPO Patent Application WO/2022/234929
Kind Code:
A1
Abstract:
According to various embodiments, a wireless power reception device that receives wireless power from a wireless power transmission device comprises a first circuit, a first rectifier circuit, a detune circuit, and a control circuit, wherein: the first circuit includes a first coil; the first rectifier circuit includes a first switch and a second switch among a plurality of switches; the detune circuit includes at least one detuning capacitor and at least one detuning switch; and the control circuit, in response to the voltage of an output terminal of the first rectifying circuit exceeding a first voltage, controls the at least one detuning switch to be in an ON state, and controls the first switch and the second switch to be in an ON state, thereby forming a closed loop including the first coil, the first switch, and the second switch.
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Inventors:
GU BEOMWOO (KR)
BYUN KANGHO (KR)
YEO SUNGKU (KR)
LEE CHONGMIN (KR)
CHOI BOHWAN (KR)
HAN HYOSEOK (KR)
BYUN KANGHO (KR)
YEO SUNGKU (KR)
LEE CHONGMIN (KR)
CHOI BOHWAN (KR)
HAN HYOSEOK (KR)
Application Number:
PCT/KR2022/001723
Publication Date:
November 10, 2022
Filing Date:
February 04, 2022
Export Citation:
Assignee:
SAMSUNG ELECTRONICS CO LTD (KR)
International Classes:
H02J50/10; H02M7/219
Domestic Patent References:
| WO2011028956A2 | 2011-03-10 |
Foreign References:
| KR20130082244A | 2013-07-19 | |||
| US20160226400A1 | 2016-08-04 | |||
| US20140091637A1 | 2014-04-03 | |||
| KR20170141101A | 2017-12-22 |
Attorney, Agent or Firm:
LEE, Keon-Joo et al. (KR)
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