公开(公告)号：US20210320504A1

公开(公告)日：2021-10-14

申请号：US17223363

申请日：2021-04-06

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hangseok CHOI ,  Duhyun KIM ,  Seungbeom KANG ,  Daeneung KIM ,  Gihoon LEE ,  Jonghyun LEE

IPC: H02J7/00

Abstract: An apparatus and a method of controlling charging of a plurality of batteries connected in parallel in an electronic device are provided. The electronic device includes a charging circuit, a first battery configured to be arranged on a first electrical path connected from the charging circuit to the ground, a second battery configured to be arranged in parallel with the first battery on a second electrical path branched between the charging circuit on the first electrical path and the first battery and connected to the ground, a sensing circuit configured to identify a voltage of the second battery through a fourth electrical path branched on the second electrical path, and a processor operatively connected to the sensing circuit and the charging circuit, the charging circuit identifies a voltage of the first battery through a third electrical path branched on the first electrical path, receives a current control signal based on the voltage of the second battery through the processor, and controls a magnitude of a current supplied to the first battery or the second battery based on the current control signal.

公开(公告)号：US20200266627A1

公开(公告)日：2020-08-20

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: H02J1/10 ,  H02J1/14 ,  H02J7/00

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：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：US20200266499A1

公开(公告)日：2020-08-20

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: H01M10/44 ,  H01M2/10 ,  H01M10/42 ,  H02J7/00

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：US20200251920A1

公开(公告)日：2020-08-06

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: H02J7/00

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：US20200036198A1

公开(公告)日：2020-01-30

申请号：US16512610

申请日：2019-07-16

Applicant: Samsung Electronics Co., Ltd.

Inventor： Duhyun KIM ,  Seungbeom KANG ,  Wooin CHOI ,  Jungsik PARK ,  Seunghui SUNWOO ,  Hyoungseok OH

IPC: H02J7/00 ,  H05K5/00 ,  H05K5/02 ,  H05K1/18

Abstract: An electronic device is disclosed. The electronic device may include a housing having a first housing structure and a second housing structure, wherein the first and second housing structures are foldable with respect to each other about a hinge axis, a processor disposed in the housing, a first battery disposed in the first housing structure, a second battery disposed in the second housing, a flexible printed circuit board (FPCB) extending from the first housing structure to the second housing structure and crossing the hinge axis, a power management integrated circuit (PMIC), a first charging control circuit disposed in the first housing structure, and a second charging control circuit disposed in the second housing structure. In addition, various embodiments are possible which are understood through the disclosure.