US 12,003,119 B2
Electronic device and method for transmitting power based on multiple coils
Seungshik Shin, Gyeonggi-do (KR); Baewon Park, Gyeonggi-do (KR); Sungchul Park, Gyeonggi-do (KR); and Jinsik Choi, Gyeonggi-do (KR)
Assigned to Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed by Samsung Electronics Co., Ltd., Gyeonggi-do (KR)
Filed on May 12, 2022, as Appl. No. 17/742,554.
Application 17/742,554 is a continuation of application No. PCT/KR2022/006738, filed on May 11, 2022.
Claims priority of application No. 10-2021-0061499 (KR), filed on May 12, 2021.
Prior Publication US 2022/0368170 A1, Nov. 17, 2022
Int. Cl. H02J 50/40 (2016.01); H02J 7/00 (2006.01); H02J 50/10 (2016.01); H02J 50/70 (2016.01); H02J 50/80 (2016.01); H02J 50/90 (2016.01)
CPC H02J 50/70 (2016.02) [H02J 7/00712 (2020.01); H02J 7/007188 (2020.01); H02J 50/10 (2016.02); H02J 50/402 (2020.01); H02J 50/80 (2016.02); H02J 50/90 (2016.02)] 10 Claims
OG exemplary drawing
 
1. An electronic device comprising:
a battery;
a multi-coil circuit including a first coil and a second coil;
a magnetic field control circuit electrically connected with the multi-coil circuit;
a power management module electrically connected with the battery and the magnetic field control circuit; and
a processor electrically connected with the multi-coil circuit, the magnetic field control circuit, and the power management module,
wherein the processor is configured to:
upon detecting an external electronic device to receive wireless power, control the magnetic field control circuit to transmit power having a first characteristic to the external electronic device through the first coil, and
upon transmitting the power having the first characteristic, control the magnetic field control circuit to maintain transmission through the first coil based on a first operating frequency and a threshold operating frequency in a designated frequency range, or
upon transmitting the power having the first characteristic, adjust an operating voltage based on the first operating frequency and the threshold operating frequency and control the magnetic field control circuit to transmit power having a second characteristic through the first coil and the second coil based on a first frequency varied in response to the adjusted operating voltage.