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公开(公告)号：US20250141273A1
公开(公告)日：2025-05-01
申请号：US19008983
申请日：2025-01-03
Applicant: Samsung Electronics Co., Ltd.
Inventor： Hangseok CHOI , Sangwoo KANG
Abstract: According to embodiments, an electronic device may comprise a wireless power transmission/reception circuit, a wired power transmission/reception port, a load switch electrically connected to the wired power transmission/reception port, a switching charger electrically connected to the load switch and the wireless power transmission/reception circuit, a battery electrically connected to the switching charger, and a processor. The processor may be configured to, based on a first current input to an input end of the load switch, a first voltage at an output end of the load switch, a second voltage of the battery, a second current between the switching charger and the battery, and efficiency by the switching charger, predict a third current at an output end of the wireless power transmission/reception circuit.
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公开(公告)号：US20250132589A1
公开(公告)日：2025-04-24
申请号：US19007551
申请日：2025-01-02
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Sangwoo KANG , Kyunghwan LEE
IPC: H02J7/00
Abstract: An electronic device according to various embodiments of the disclosure may include a first charging circuit connected to a first node and a second node, a second charging circuit connected to the first node and a third node, a switch connected to the second node and the third node, a battery connected to the second node, a system circuit connected to the third node, and a processor. In addition, various embodiments may be possible.
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公开(公告)号：US20230318344A1
公开(公告)日：2023-10-05
申请号：US18172809
申请日：2023-02-22
Applicant: Samsung Electronics Co., Ltd.
Inventor： Hangseok CHOI , Sangwoo KANG
IPC: H02J7/00
CPC classification number: H02J7/007182 , H02J7/0045 , H02J2207/20 , H02J7/00308 , H02J7/0047
Abstract: An electronic device configured to minimize heating and quickly charge a battery is provided. The electronic device includes a simple circuit configuration for charging a battery in consideration of compatibility can be provided. When an electronic device has relatively much power consumption of a load circuit of the electronic device while an adaptor is connected to the electronic device, the electronic device may temporarily stop power supply to the battery and thus suppress an increase in internal temperature of the battery.
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公开(公告)号：US20250149908A1
公开(公告)日：2025-05-08
申请号：US19012232
申请日：2025-01-07
Applicant: Samsung Electronics Co., Ltd.
Inventor： Sangwoo KANG , Kyunghwan LEE
Abstract: An electronic device according to one embodiment may comprise a first battery, a second battery, a first charging circuit configured to provide power of a first voltage to the first battery, a second charging circuit configured to provide power of a second voltage to the second battery, a first limiter disposed between the first battery and the second charging circuit, and a processor. The processor according to one embodiment can be configured to identify the first voltage to be applied to the first battery, request, on the basis of the first voltage, from an external power source, power of an input voltage corresponding to twice the first voltage, control, on the basis that the input voltage corresponding to twice the first voltage provided from the external power source is applied to the first charging circuit, the first charging circuit such that power of the first voltage is supplied to the first battery, and control, on the basis that the input voltage corresponding to twice the first voltage provided from the external power source is applied to the second charging circuit, the second charging circuit such that power of the second voltage is supplied to the second battery.
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公开(公告)号：US20250112503A1
公开(公告)日：2025-04-03
申请号：US18980282
申请日：2024-12-13
Applicant: Samsung Electronics Co., Ltd.
Inventor： Sangwoo KANG , Hangseok CHOI
IPC: H02J50/12
Abstract: An electronic device for wirelessly receiving power, according to various embodiments, comprises: a coil; a rectifier circuit comprising a plurality of switches; a charging circuit; and a control circuit, wherein the control circuit may be configured to: confirm, based on power received wirelessly from an external electronic device, the size of a first current output to the charging circuit; control, based on the size of the first current, the rectifier circuit so that the plurality of switches included in the rectifier circuit operate as any one of a full bridge circuit or a voltage doubler circuit; and provide, to the charging circuit, power rectified using the rectifier circuit.
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Patent Agency Ranking
公开(公告)号：US20220352757A1
公开(公告)日：2022-11-03
申请号：US17422793
申请日：2021-07-09
Applicant: Samsung Electronics Co., Ltd.
Inventor： Seungshik SHIN , Sangwoo KANG , Kyungmin PARK , Baewon PARK , Juhyang LEE , Jinsik CHOI , Jaeyoung HUH
Abstract: According to one embodiment, an electronic device comprises a battery, an antenna module including a first coil and a second coil, at least one switch electrically connected with the antenna module, a magnetic field controller electrically connected with the antenna module, a charger electrically connected with the battery and the magnetic field controller, and at least one processor electrically connected with the at least one switch, the magnetic field controller, and the charger. The at least one processor may be configured to, based on an operation mode associated with the antenna module, control the at least one switch to connect the first coil with the magnetic field controller, or to connect the first coil and the second coil in parallel and allow the first coil and the second coil connected in parallel to connect with the magnetic field controller. Other embodiments may be possible as well.
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公开(公告)号：US20240135871A1
公开(公告)日：2024-04-25
申请号：US18392495
申请日：2023-12-21
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Hangseok CHOI , Sangwoo KANG
IPC: G09G3/3225
CPC classification number: G09G3/3225 , G09G2330/028
Abstract: An example electronic device including a power supply circuit may include a battery; a display module including a display panel; a regulator; a power supply circuit configured to: based on an input voltage of the battery, provide a first voltage and a second voltage to the display module, and provide a third voltage to the regulator; and a switch control circuit configured to: control a switching operation of the power supply circuit, wherein the power supply circuit includes: a first power circuit and a second power circuit, wherein the first power circuit includes multiple switch elements, a first capacitor, a second capacitor, a third capacitor, and a first inductor, and is configured to: for a first time interval, based on a drive signal of the switch control circuit, charge the first capacitor and the second capacitor, based on a current of the first inductor and discharge the third capacitor to provide a first output current to the display module, and for a second time interval, based on a drive signal of the switch control circuit, charge the third capacitor and discharge the first capacitor and the second capacitor to provide the first output current and a second output current to the display module, and wherein the second power circuit is configured to: convert a voltage level of the input voltage of the battery to provide a second voltage to the display module.
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公开(公告)号：US20230160952A1
公开(公告)日：2023-05-25
申请号：US17966456
申请日：2022-10-14
Applicant: Samsung Electronics Co., Ltd.
Inventor： Hangseok CHOI , Sangwoo KANG , Kwangyoon LEE , Chuleun YUN , Cheolha YUN
IPC: G01R31/28 , G01R27/28 , H03K17/082 , H02J4/00
CPC classification number: G01R31/2844 , G01R27/28 , H03K17/0822 , H02J4/00
Abstract: A method and an apparatus for diagnosing an electronic apparatus are provided. The device for diagnosing an electronic device includes a master diagnosis block that generates a control signal when a diagnosis mode is started, a multiplexer that sequentially outputs a diagnosis power through a diagnosis power path based on the control signal, a slave diagnosis block that is sequentially supplied the diagnosis power through the diagnosis power path and generates diagnosis data of a power management circuit of the electronic device by using the diagnosis power, a modulator that transmits the diagnosis data by modulating a power signal of the diagnosis power path, and a demodulator that receives the diagnosis data by demodulating the power signal of the diagnosis power path and provides the diagnosis data to the master diagnosis block.
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公开(公告)号：US20230142785A1
公开(公告)日：2023-05-11
申请号：US17992291
申请日：2022-11-22
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Hangseok CHOI , Sangwoo KANG
IPC: G09G3/3225
CPC classification number: G09G3/3225 , G09G2330/028
Abstract: An electronic device including a power supply circuit according to the disclosure may include: a battery; a display module including a display panel; a regulator; a power supply circuit configured to: based on an input voltage of the battery, provide a first voltage and a second voltage to the display module, and provide a third voltage to the regulator; and a switch control circuit configured to: control a switching operation of the power supply circuit, wherein the power supply circuit includes: a first power circuit and a second power circuit, wherein the first power circuit includes multiple switch elements, a first capacitor, a second capacitor, a third capacitor, and a first inductor, and is configured to: for a first time interval, based on a drive signal of the switch control circuit, charge the first capacitor and the second capacitor, based on a current of the first inductor and discharge the third capacitor to provide a first output current to the display module, and for a second time interval, based on a drive signal of the switch control circuit, charge the third capacitor and discharge the first capacitor and the second capacitor to provide the first output current and a second output current to the display module, and wherein the second power circuit is configured to: convert a voltage level of the input voltage of the battery to provide a second voltage to the display module.
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10.发明申请公开(公告)号：US20250149986A1
公开(公告)日：2025-05-08
申请号：US19012618
申请日：2025-01-07
Applicant: Samsung Electronics Co., Ltd.
Inventor： Hangseok CHOI , Sangwoo KANG
Abstract: According to an embodiment, a power input circuit may include a charge pump and an LC filter. The charge pump may include a first switch configured to receive input power from a power source. The charge pump may include a second switch electrically connected to the first switch. The charge pump may include a third switch configured to receive the input power from the power source. The charge pump may include a fourth switch electrically connected to the third switch. The charge pump may include a first capacitor. The LC filter may include a first inductor and a second capacitor. The first inductor of the LC filter may be electrically connected to the first capacitor.
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