公开(公告)号：US20240313568A1

公开(公告)日：2024-09-19

申请号：US18674148

申请日：2024-05-24

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seungbeom KANG ,  Hyungjun KWON ,  Jaeho SONG ,  Hyunjun OH ,  Byeonghyun JANG ,  Jaemu HA

IPC: H02J7/00

CPC classification number: H02J7/007182 ,  H02J7/00034 ,  H02J7/00309 ,  H02J7/0048 ,  H02J2207/20 ,  H02J2207/30

Abstract: Provided in various embodiments is a method for operating an electronic device. The method may comprise the operations of: recognizing, through a communication circuit of the electronic device, that an external device connected to a connector of the electronic device is a power supply device having the function of changing a voltage value and a current value; selecting, on the basis of the recognition, a direct charging circuit from among the direct charging circuit and a switching charging circuit of the electronic device as a charging circuit through which a power signal, received from the power supply device through the power source terminal, is to pass; and confirming the voltage of the battery on the basis of the occurrence of a designated event while the direct charging circuit is selected, and requesting, through the communication circuit, the power supply device to output a power signal having a voltage value that is N times the battery voltage. Other various embodiments are possible.

公开(公告)号：US20240213794A1

公开(公告)日：2024-06-27

申请号：US18602552

申请日：2024-03-12

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyunjun OH

IPC: H02J7/00

CPC classification number: H02J7/007182 ,  H02J7/0029

Abstract: A power control method and an electronic device for performing the method are disclosed. A power control method according to various embodiments may comprise: receiving an input for turning off the power of an electronic device; identifying the voltage of a battery based on the input being received; determining, based on a set margin voltage and the voltage of the battery based on the input being received, a reference voltage for entering a ship mode preventing and/or reducing discharge of the battery caused by leakage current; turning off the power of the electronic device; monitoring the voltage of the battery after turning off the power of the electronic device; and setting the electronic device to the ship mode based on the monitored voltage of the battery and the reference voltage.

公开(公告)号：US20230142984A1

公开(公告)日：2023-05-11

申请号：US18091930

申请日：2022-12-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Youngmi HA ,  Yeongil KIM ,  Hyunjun OH ,  Sungjoon CHO ,  Jaemu HA

IPC: H02J7/00 ,  H01M10/46 ,  H01M10/44

CPC classification number: H02J7/007182 ,  H01M10/44 ,  H01M10/46 ,  H02J7/0047 ,  H02J7/00714

Abstract: An electronic device includes a battery and a processor configured to, while maintaining a charging current at a first constant current, identify whether a charging voltage reaches a first target voltage, based on identifying that the charging voltage has reached the first target voltage, convert the charging current to a first charging current, identify whether the charging current reaches a first target current, and based on identifying that the charging current has reached the first target current, convert the charging current to a second constant current corresponding to the first target current.

公开(公告)号：US20230179008A1

公开(公告)日：2023-06-08

申请号：US18105621

申请日：2023-02-03

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yeongil KIM ,  Sanghyun RYU ,  Hyunjun OH

IPC: H02J7/00 ,  G06F1/26

CPC classification number: H02J7/00712 ,  H02J7/0048 ,  G06F1/26

Abstract: An electronic device includes: a battery; a power management module configured to control the battery; a memory storing a plurality of state-of-charge reference values related to a charging cycle of the battery; at least one processor configured to: control the power management module to charge the battery such that a charging section of the battery alternately includes a plurality of constant current sections, in which charging is performed with a uniform current, and a plurality of constant voltage sections, in which charging is performed with a uniform voltage, identify the charging cycle of the battery, and set a condition for changing from one constant voltage section of the plurality of constant voltage sections to a constant current section following the one constant voltage section of the plurality of constant current sections, based on a state-of-charge reference value corresponding to the identified charging cycle of the battery from among the plurality of state-of-charge reference values stored in the memory.

公开(公告)号：US20230131325A1

公开(公告)日：2023-04-27

申请号：US17872274

申请日：2022-07-25

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jaemu Ha ,  Hyunjun OH ,  Minjeong LEE ,  Inhwan HWANG

IPC: H01M50/574 ,  H02J7/00 ,  H02H9/00

Abstract: An electronic device according to various embodiments may include: a battery, a switch coupling the battery to a main board on which components of the electronic device are disposed, a power management module comprising power management circuitry including a function of powering on the electronic device at a power-on time set to power on the electronic device that is in a power-off state of the electronic device, and a processor. The processor may be configured to: upon identification of a power-off request for the electronic device, set the power-on time and power off the electronic device, based on the electronic device being powered on upon identification of the power-on time, compare a power-off period of the electronic device with a threshold period, and based on the power-off period of the electronic device being longer than a threshold period, decouple the battery from the main board by opening the switch.

公开(公告)号：US20200266648A1

公开(公告)日：2020-08-20

申请号：US16738477

申请日：2020-01-09

Applicant: Samsung Electronics Co., Ltd.

Inventor： Youngmi HA ,  Hyunjun OH ,  Jungmin LEE ,  Kuchul JUNG ,  Sungjoon CHO ,  Hansol CHOI ,  Kyounghoon KIM ,  Seongil LEE

IPC: H02J7/00

Abstract: An electronic device is provided. The electronic device includes a housing, a battery disposed inside the housing, a power management module for controlling charging of the battery, and at least one processor operationally connected with the battery and the power management module. The at least one processor is provided to direct a plurality of charging intervals while charging the battery, each of the plurality of charging intervals having a target voltage, to alternately charge the battery in a first mode and in a second mode through the power management module, wherein a charging current flowing into the battery is uniformly maintained in the first mode and a voltage of the battery is uniformly maintained in the second mode, and to switch the first mode to the second mode when the voltage of the battery reaches the target voltage in the first mode.