Samsung Electronics Co., Ltd.

Sanghyun Ryu

Ku-Chul Jung

Chulwoo Park

Minsu Kim

Dongyoung Lee

Kyounghoon Kim

Wookwang Lee

Kuchul Jung

Jungtae Kim

Kwangsub Lee

Heetae Kim

Sunggeun Yoon

Hyundeok Seo

Hyunjun Oh

Kangjun Ko

Minjeong Lee

Byungjun Kim

Yeongil Kim

Taewoong Kim

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.

Electronic device comprising battery, and battery charging method therefor

An electronic device according to an embodiment may include: a battery; a connector including multiple pins; and at least one processor, and wherein the at least one processor is configured to: identify an external electronic device electrically connected through the connector, identify, among at least two supportable current values, a current value of power to be supplied to the external electronic device, and supply power of the battery to the external electronic device through the connector based on the identified current value.

Electronic device for supplying power and operation method thereof

An electronic device including a PDIC, a charging IC, and a processor. The PDIC determines whether an external device is connected to the USB port, through a first pin of a USB port. The charging IC outputs a first voltage, which is a voltage obtained by boosting a voltage provided by a battery, to the external device through a second pin, when the external device is connected to the USB port. The processor is configured to determine whether the external device connected to the USB port is a first external device having a specified VID and a specified PID, through a third pin of the USB port, and to transmit a first signal, which controls the charging IC to output a second voltage having a magnitude less than the first voltage, to the charging IC when the first external device is connected to the USB port.

Electronic device supporting connection with external device and power consumption reducing method when using electronic device in connection with external device

Various embodiments of the present invention relate to an apparatus and a method for controlling battery charging in an electronic device. The electronic device comprises a plurality of temperature sensors disposed at different positions, a battery, a memory, at least one processor, and a charging module for controlling charging of the battery, wherein the charging module may be configured to identify a charging type of the battery, to select at least one temperature sensor among the plurality of the temperature sensors based on the charging type of the battery, and to control a charging current of the battery based on a temperature measured through the at least one temperature sensor. Other embodiments may be possible.

Method for controlling battery charging and electronic device therefor

An electronic device and a method thereof are provided. The electronic device includes a memory, a battery, a charging circuit for charging the battery using current supplied from a power supply device, a slew rate variable circuit electrically connected to the charging circuit, and a processor electrically connected to the memory, the battery, the charging circuit, and the slew rate variable circuit. The processor is configured to control the charging circuit to control the charging of the battery, to monitor a state of the electronic device during battery charging, and to control the slew rate variable circuit based on the state of the electronic device to change a slew rate related to the battery charging.

Method for controlling charge for improving receive sensitivity and electronic device for the same

An electronic device of the present disclosure includes a battery cell configured to be electrically connected between a first node and a second node; an over current protection circuit configured to include a first terminal, a second terminal, and a switching element responsive to an occurrence of over current, and the first terminal is electrically connected to the first node; a power management integrated circuit configured to be electrically connected to the second terminal of the over current protection circuit; and a first protection circuit configured to be electrically connected between the first node and the power management integrated circuit, and to include at least one first passive element, wherein the power management integrated circuit monitors a voltage of the battery cell, based on at least a portion of a voltage or a current which is transmitted through the first protection circuit.

Electronic device and method for controlling charging of the same

Growing community of inventors

Suwon-si, South Korea

Sanghyun Ryu