公开(公告)号：US11489212B2

公开(公告)日：2022-11-01

申请号：US16747381

申请日：2020-01-20

Applicant: Samsung Electronics Co., Ltd

Inventor： Youngmi Ha ,  Sungjoon Cho ,  Seungbeom Kang ,  Kyounghoon Kim ,  Duhyun Kim ,  Byungwook Kim ,  Jaeho Song ,  Dongik Sin ,  Hansol Choi

IPC: H01M10/42 ,  H01M10/44 ,  H02J7/00 ,  H01M50/20

Abstract: A method of controlling a plurality of batteries and an electronic device to which the same is applied. The electronic device includes a housing and a plurality of batteries. The electronic device also includes a power management module, a plurality of current limiting ICs, and a processor operationally connected to the plurality of batteries, the power management module and the plurality of current limiting ICs. The processor is configured to sense a sum of the currents flowing into the plurality of batteries or a voltage of the power management module, perform a primary end of reducing a magnitude of the sum of the currents flowing into the plurality of batteries, sense the currents or voltages of the plurality of batteries, and perform a secondary end of blocking a current flowing into a battery.

公开(公告)号：US11251655B2

公开(公告)日：2022-02-15

申请号：US16698741

申请日：2019-11-27

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sungjoon Cho ,  Jungmin Lee ,  Hansol Choi ,  Youngmi Ha ,  Yusu Kim ,  Kyungmin Park ,  Juhyang Lee

IPC: H02J50/10 ,  H02J7/02 ,  H02J50/80 ,  H02J7/00

Abstract: An electronic device includes a wireless charging coil, a wireless charging circuit, a power management module, a battery, and a processor. The processor is configured to control to receive first information from an external electronic device while transmitting wireless charging power to the external electronic device through the wireless charging circuit, to control, in response to receiving the first information, the wireless charging circuit to stop transmission of the wireless charging power and operate in a state of transmitting and receiving a ping signal, to check whether a predetermined time has elapsed since the transmission of the wireless charging power is stopped, and to control, in response to elapse of the predetermined time, the wireless charging circuit to retransmit the wireless charging power to the external electronic device. Other embodiments are possible.

公开(公告)号：US11575280B2

公开(公告)日：2023-02-07

申请号：US17106579

申请日：2020-11-30

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yusu Kim ,  Kyoungwon Kim ,  Kyounghoon Kim ,  Byungwook Kim ,  Jeongmin Moon ,  Kyungmin Park ,  Jungmin Lee ,  Juhyang Lee ,  Kuchul Jung ,  Sungjoon Cho ,  Chihyun Cho ,  Hansol Choi ,  Youngmi Ha ,  Yongsang Yun

IPC: H02J7/00 ,  H02J50/10 ,  H02J7/02 ,  H02J7/34 ,  H02J50/80

Abstract: According to various embodiments, an electronic device comprises a battery, a wireless interface including a coil and configured to wirelessly transmit electric power from the battery via the coil, and at least one processor configured to: perform a wireless charging function of wirelessly transmitting electric power to an external device via the wireless interface, while neither the electronic device nor the external device is being supplied with electric power from an external power source via a wire, and based on identifying that the external device starts being supplied with electric power from an external power source via a wire while performing the wireless charging function, stop performing the wireless charging function of wirelessly transmitting electric power to the external device.

公开(公告)号：US11374432B2

公开(公告)日：2022-06-28

申请号：US16793312

申请日：2020-02-18

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jungoh Sung ,  Juhyang Lee ,  Myungkyoon Chung ,  Youngmi Ha ,  Hojong Kim

IPC: H02J50/12 ,  H02J50/90 ,  H02J50/80 ,  H02J7/02

Abstract: An electronic includes: a housing including a first plate, a second plate, and a side member; a display; a conductive coil parallel to the second plate and disposed between the display and the second plate; a wireless charging circuitry electrically connected to the conductive coil; and a processor operatively connected with the display and the wireless charging circuitry. The wireless charging circuitry receives a signal for wirelessly transferring power to an external electronic device from the processor, receives information about the external electronic device, receives a power control signal from the external electronic device via the conductive coil, applies a charging current of a first frequency to the conductive coil based at least in part on a request signal, increases a frequency of the charging current, compares the increased frequency with a first value, and adjusts a duty cycle of the charging current.

公开(公告)号：US12289007B2

公开(公告)日：2025-04-29

申请号：US17679327

申请日：2022-02-24

Applicant: Samsung Electronics Co., Ltd.

Inventor： Youngmi Ha ,  Sungjoon Cho ,  Duhyun Kim

IPC: H02J7/00

Abstract: An electronic device and method are disclosed, including a first and second battery, a first and second fuel gauge, and a processor. The processor implements the method, including: determining capacity ratios of the first and second batteries based at least on absolute capacities of the first and second batteries, as identified via the first and second fuel gauges, respectively, calculating a residual capacity of the first battery and a residual capacity of the second battery based on at least one of the determined capacity ratios and the obtained states of the first and second battery, respectively, and outputting the calculated residual capacity of the first battery and the calculated residual capacity of the second battery.

公开(公告)号：US11855456B2

公开(公告)日：2023-12-26

申请号：US16738404

申请日：2020-01-09

Applicant: Samsung Electronics Co., Ltd.

Inventor： Youngmi Ha ,  Duhyun Kim ,  Seungbeom Kang ,  Kyounghoon Kim ,  Byungwook Kim ,  Kwanbae Son ,  Sungjoon Cho ,  Hansol Choi

IPC: H02J7/00 ,  H02J1/10 ,  H02J1/14 ,  B60L58/22

CPC classification number: H02J1/106 ,  B60L58/22 ,  H02J1/14 ,  H02J7/0014 ,  H02J7/0016 ,  H02J7/00718

Abstract: A method of controlling charging of a plurality of batteries and an electronic device to which the same is applied are provided. The electronic device includes a housing, a plurality of batteries arranged in the housing, a power management module that controls the plurality of batteries, a plurality of current limiting ICs that limits a maximum intensity of a current flowing into each of the plurality of batteries, and at least one processor operationally connected to the plurality of batteries, the power management module and the plurality of current limiting ICs. The at least one processor may set a total charging current output from the power management module, set an individual charging current flowing into each of the plurality of batteries in proportion to a total capacity of each of the plurality of batteries, and recalculate the individual charging currents when the total charging current changes.

公开(公告)号：US11437839B2

公开(公告)日：2022-09-06

申请号：US16707446

申请日：2019-12-09

Applicant: Samsung Electronics Co., Ltd.

Inventor： Youngmi Ha ,  Seungbeom Kang ,  Kyounghoon Kim ,  Daeneung Kim ,  Duhyun Kim ,  Byungwook Kim ,  Boeun Lee ,  Jungmin Lee ,  Sungjoon Cho ,  Jaemu Ha

IPC: H02J7/04 ,  H02J7/16 ,  H02J7/00

Abstract: An electronic device is provided. The electronic device includes a housing, a first battery and a second battery arranged in the housing, a power management module, a first temperature sensor, a second temperature sensor, a first current limiting integrated circuit (IC) configured to limit a maximum intensity of a first current flowing into the first battery, a second current limiting IC configured to limit a maximum intensity of a second current flowing into the second battery, and a processor. The processor may determine whether the first temperature or the second temperature is outside a specified temperature range and, when the first temperature is outside of the specified temperature range, control the first current limiting IC to reduce a magnitude of the first current.

公开(公告)号：US11322993B2

公开(公告)日：2022-05-03

申请号：US16749063

申请日：2020-01-22

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jungmin Lee ,  Sungjoon Cho ,  Hansol Choi ,  Youngmi Ha ,  Kyounghoon Kim ,  Byungwook Kim ,  Yusu Kim ,  Kyungmin Park ,  Jaesung Lee ,  Juhyang Lee

IPC: H02J7/00 ,  H02J50/80 ,  H02J7/02

Abstract: An electronic device including a battery, a wireless interface operatively or electrically connected with the battery, a display, a memory, and a processor, wherein the processor is configured to: detect an event while the electronic device is in contact with or is connected to another electronic device via the wireless interface and wirelessly charging-shares power of the battery with the another electronic device via the wireless interface; turn off a wireless charging-sharing function when the event corresponds to a predetermined condition; provide a user notification about the turning-off of the wireless charging-sharing function via the display; and turn on the wireless charging-sharing function when a state of the electronic device corresponds to a wireless charging-sharing condition. The various embodiments also a method of operating the electronic device. Various embodiments are also possible.

公开(公告)号：US11218016B2

公开(公告)日：2022-01-04

申请号：US16916787

申请日：2020-06-30

Applicant: Samsung Electronics Co., Ltd.

Inventor： Youngmi Ha ,  Hansol Choi ,  Dongzo Kim ,  Byungwook Kim ,  Jaeho Song ,  Dongik Sin ,  Wooram Lee ,  Sungjoon Cho

IPC: H01M10/44 ,  H01M10/46 ,  H02J7/04 ,  H02J50/10

Abstract: An electronic device and method are provided for frequency interference cancellation. The electronic device includes a coil, a wireless power receive circuit, a charging circuit, a display, and a processor. The processor may be configured to perform wireless charging with power wirelessly received from a wireless charger, change, via the charging circuit, a charging current of the electronic device from an initial current level to a first current level, based on the display being switched on during wireless charging, change, via the wireless power receive circuit, a charging voltage of the electronic device from an initial voltage level to a first voltage level, transmit, via the coil, a packet for changing a charging voltage of the wireless charger, change, via the wireless power receive circuit, the charging voltage of the electronic device to a second voltage level upon transmission of the packet, and change the charging current to the initial current level.

公开(公告)号：US12170447B2

公开(公告)日：2024-12-17

申请号：US17662996

申请日：2022-05-11

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jungoh Sung ,  Juhyang Lee ,  Myungkyoon Chung ,  Youngmi Ha ,  Hojong Kim

IPC: H02J50/12 ,  H02J7/02 ,  H02J50/80 ,  H02J50/90

Abstract: An electronic includes: a housing including a first plate, a second plate, and a side member; a display; a conductive coil parallel to the second plate and disposed between the display and the second plate; a wireless charging circuitry electrically connected to the conductive coil; and a processor operatively connected with the display and the wireless charging circuitry. The wireless charging circuitry receives a signal for wirelessly transferring power to an external electronic device from the processor, receives information about the external electronic device, receives a power control signal from the external electronic device via the conductive coil, applies a charging current of a first frequency to the conductive coil based at least in part on a request signal, increases a frequency of the charging current, compares the increased frequency with a first value, and adjusts a duty cycle of the charging current.