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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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公开(公告)号：US20230420960A1
公开(公告)日：2023-12-28
申请号：US18464671
申请日：2023-09-11
Applicant: Samsung Electronics Co., Ltd.
Inventor： Chanjung BAE , Sungsoo MOON , Jeonghoon JO , Hangseok CHOI
IPC: H02J7/00 , G01R31/3835 , G06F1/3212
CPC classification number: H02J7/0031 , H02J7/0047 , H02J7/00032 , G01R31/3835 , G06F1/3212
Abstract: An electronic device including a battery pack and an operation method of the electronic device is provided. The electronic device includes a system circuitry and a battery pack, wherein the battery pack includes a battery management circuitry, a protection operation circuitry, and a battery, wherein the battery management circuitry may be configured to identify a state of the battery to obtain battery state information, activate, on the basis of the battery state information, a ship mode for minimizing power consumption of the battery, and control the protection operation circuitry to electrically disconnect the system circuitry from the battery pack, inactivate the ship mode on the basis of connection between a power key included in the system circuitry and a first pin of the battery management circuitry, and control the protection operation circuitry to electrically connect the system circuitry to the battery pack.
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公开(公告)号：US20190258832A1
公开(公告)日：2019-08-22
申请号：US16279271
申请日：2019-02-19
Applicant: Samsung Electronics Co., Ltd.
Inventor： Kuchul JUNG , Kisun LEE , Cheolyoon CHUNG , Hangseok CHOI , Chihyun CHO
Abstract: An electronic device for controlling voltage and a method therefor are provided. The electronic device includes a power regulator, a connector including one or more signal terminals and one or more power terminals electrically connected to the power regulator, and a control circuit electrically connected to the one or more signal terminals. The control circuit is configured to identify a type of an external electronic device connected through the connector, identify detected values for at least some of the one or more signal terminals based at least on the identified type corresponding to a predetermined type, and output, through the power regulator, a predetermined voltage to the external electronic device through the one or more power terminals based at least on the detected value being within a first predetermined range.
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公开(公告)号：US20240022090A1
公开(公告)日：2024-01-18
申请号：US18475735
申请日：2023-09-27
Applicant: Samsung Electronics Co., Ltd.
Inventor： Hangseok CHOI
CPC classification number: H02J7/0019 , H02J50/80 , H02J7/0024 , H02J7/007184
Abstract: An electronic device for charging a plurality of batteries is provided. The electronic device includes a first battery, a second battery parallelly connected to the first battery, wherein the first battery and the second battery are branched at a first node, a charger for charging the first battery and the second battery by means of a current input from an external device, a voltage detection circuit for detecting the voltage of the first battery and the voltage of the second battery while the first battery and the second battery are being charged, and a balancing circuit disposed between the first node and the first battery, and for controlling the connection between the first node and the first battery by means of pulse width modulation (PWM) based on detecting a differential between the voltage of the first battery and the voltage of the second battery.
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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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Patent Agency Ranking
6.发明申请公开(公告)号：US20230117241A1
公开(公告)日：2023-04-20
申请号：US17968144
申请日：2022-10-18
Applicant: Samsung Electronics Co., Ltd.
Inventor： Hangseok CHOI
Abstract: A charging circuit of an electronic device having a three-level converter, and a method and a device for controlling balancing in a charging circuit are provided. The electronic device includes a battery, at least one processor, and a charging circuit. The charging circuit includes, as a three-level converter, a switching circuit including multiple switching elements and a flying capacitor, and a filter circuit including an inductor and a capacitor. The charging circuit includes, as a balancing circuit, a balancing control circuit configured to, during balancing corresponding to a designated a mode, based on whether the balancing corresponds to targeted balancing, generate an output for maintaining or switching a balancing control direction configured for the designated mode, and a switching control circuit configured to perform switching for the switching elements in a balancing control direction corresponding to the designated mode, based on an output of the balancing control circuit, or perform switching for the switching elements in a direction reverse to a balancing control direction corresponding to the designated mode.
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公开(公告)号：US20230058431A1
公开(公告)日：2023-02-23
申请号：US17817629
申请日：2022-08-04
Applicant: Samsung Electronics Co., Ltd.
Inventor： Chuleun YUN , Kisun LEE , Hangseok CHOI
Abstract: An electronic device includes: a first DC/DC converter including switches, a first capacitor, and a first inductor; and control circuit configured to control on/off states of the switches. In an on state, the switches include: a first switch configured to connect one end of the first capacitor to the input power source; a second switch configured to connect the one end of the first capacitor to one end of the first inductor; a third switch configured to connect another end of the first capacitor to the one end of the first inductor; and a fourth switch configured to connect the other end of the first capacitor to an output terminal of the first DC/DC converter. The first inductor includes the one end connected to the other end of the second switch and the one end of the third switch, and another end connected to a ground.
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公开(公告)号：US20210119487A1
公开(公告)日：2021-04-22
申请号：US17072211
申请日：2020-10-16
Applicant: Samsung Electronics Co., Ltd.
Inventor： Hangseok CHOI , Kisun LEE
Abstract: An electronic device is provided. The electronic device includes a battery and a power management module electrically connected to the battery and configured to manage a charging or a discharging of the battery. The power management module includes a first charging circuit configured to include a first switch group, a first capacitor, and a first inductor, a second charging circuit configured to include a second switch group, a second capacitor, and a second inductor, and a power path distributor configured to distribute power from a first external power supply device or a second external power supply device to the first charging circuit or the second charging circuit.
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9.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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10.发明公开公开(公告)号：US20230421060A1
公开(公告)日：2023-12-28
申请号：US18242356
申请日：2023-09-05
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Hangseok CHOI , Sangwoo Kang , Chuleun Yun
CPC classification number: H02M3/158 , H02M1/0032
Abstract: An electronic device includes: a display; a battery; and a boost circuit to receive power from the battery and to supply a driving voltage to the display. The boost circuit includes: a first switching device connected to a first node; a second switching device connected to the first node; an inductor between an input terminal of the boost circuit and the first node; an output capacitor to generate a DC overdrive voltage by smoothing an AC current generated by the first switching device and the second switching device; a blocking device to block a leakage current of the battery; and a control circuit to control the overdrive voltage by controlling the blocking device, based on a system voltage that is equal to or greater than a threshold voltage, and wherein the system voltage is an input voltage of the boost circuit.
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