Samsung Electronics Co., Ltd.

Fairchild Korea Semiconductor Ltd.

Samsmg Electronics Co., Ltd.

Ku-Chul Jung

Chul-Woo Park

Sang-Hyun Ryu

Sung-Geun Yoon

Kwang-Sub Lee

Kisun Lee

Se-Young Jang

Hee-Tae Kim

Chul-Eun Yun

Chi-Hyun Cho

Jeong-Ho Lee

Min-Jung Park

Erik Wilson Maier

Sanghyun Ryu

Hyun-Deok Seo

Oscar Freitas

Min-Jeong Lee

Seho Park

Yusu Kim

Seung-Chul Choi

Chulwoo Park

Yong-Sang Yun

Yong Sang Yun

Kwangsub Lee

Seung-Su Hong

Ki-Youn Jang

Young-Hee Ha

Hyundeok Seo

Ju-Nyun Kim

Jung-Oh Sung

Kyung-Ha Koo

Kangjun Ko

Minjeong Lee

Se-Won Oh

Kang-Jun Ko

Ki-Sun Lee

Chui-Woo Park

An apparatus for wired and wireless charging of an electronic device are provided. The electronic device includes a housing, a display on a surface of the housing, a battery mounted in the housing, a circuit electrically connected with the battery, a conductive pattern positioned in the housing, electrically connected with the circuit, and configured to wirelessly transmit power to an external device, a connector on another surface of the housing and electrically connected with the circuit, a memory, and a processor electrically connected with the display, the battery, the circuit, the connector, and/or the memory. The circuit is configured to electrically connect the battery with the conductive pattern to wirelessly transmit power to the external device and electrically connect the battery with the connector to transmit power to the external device by wire, simultaneously or selectively, with wirelessly transmitting power to the external device.

Electronic device and method for wired and wireless charging in electronic device

A method comprises providing power from a battery to an external device using a first circuit; and receiving power from a first power source to provide power to the battery using a second circuit while providing power to the external device.

Battery charging method and electronic device

A battery charging method and an electronic device are disclosed. The electronic device can comprise: a connection unit comprising a first terminal to which a voltage is applied by an external device, and a second terminal for transmitting/receiving data; a first charging unit for charging a battery connected to the electronic device by using the voltage applied to the first terminal; and a second charging unit for charging the battery by dropping the voltage applied to the first terminal according to a preset voltage drop rate. The first charging unit can comprise: a first switch connected to the first terminal; a communication unit for transmitting information through the second terminal; and a first control unit for acquiring first information on the battery voltage, controlling the communication unit such that the first information is transmitted to a charger connected to the connection unit, and controlling the first switch such that the voltage adjusted on the basis of the first information by the charger is supplied to the second charging unit through the first terminal.

A method is provided comprising: detecting a connection between an electronic device and a battery charger; transmitting to the battery charger a first request for at least one of a first voltage level and a first current level; receiving from the battery charger a signal; and charging a battery of the electronic device with the signal.

Method and apparatus for charging a battery

The present invention relates to an electronic device, and to an electronic device and method for controlling wireless charging. To this end, a wireless power reception device according to the present invention comprises: a power reception unit for wirelessly receiving power from a wireless power transmission device; a power source unit charged with the received power; and a processor, wherein the processor can be configured to: measure the temperature according to the received power; measure at least one of a frequency, a voltage, and transmission power of a transmission coil in the wireless power transmission device when the measured temperature is higher than that of a first threshold; identify whether alignment with the wireless power transmission device is in a match state or a mismatch state by comparing the measured value and a preset value; transmit, to the wireless power transmission device, a first control signal for controlling power to be received from the wireless power transmission device when the alignment is in a mismatch state; and receive power controlled based on the transmitted first control signal.

Electronic device and method for controlling wireless charging

An electronic device including: a housing, a battery mounted within the housing, a power interface disposed to or within the housing and configured to receive power from an external power source wirelessly or through a wire, and a circuit configured to electrically connect the battery and the power interface. The circuit includes a first electrical path configured to supply a first part of a current supply from the power interface to the battery, and a second electrical path configured to supply a second part of the current supply from the power interface to the battery and connected to the battery in parallel to the first electrical path. The circuit is configured to selectively control the current supply to the battery via the second electrical path at least partially based on at least one of a charge level of the battery or a signal from a sensor disposed in the housing.

Electronic device and method of charging a battery using a plurality of charging circuitry in the electronic device

Disclosed is an electronic device including a battery; an interface that receives an external power; a system circuit including a processor; and a power management circuit, wherein the power management circuit is configured to detect an input of the external power through the interface; identify a voltage of the battery in response to the detection of the input of the external power; when the voltage of the battery belongs to a first designated voltage range, avoid charging the battery using the input external power and supply the input external power to the system circuit; and when the voltage of the battery belongs to a second designated voltage range, charge the battery using at least some of the input external power.

Charge control method and electronic device based on voltage of battery

An electronic device and an operation method thereof according to various example embodiments wirelessly receive detection power for detecting the electronic device, and put a limitation on storing the power.

Electronic device and operating method thereof

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

Various embodiments relating to an electronic device and a method based on a battery leakage state have been described. According to an example embodiment, an electronic device includes a display; a communication circuit; a battery; a current sensor configured to measure a charge current used for charging the battery; and a processor, wherein the processor may be configured to measure a charge current using the current sensor, to determine a leakage state of the battery based on at least a part of the charge current, and to provide a notification corresponding to the leakage state through the display and/or perform a specified function corresponding to the leakage state based on at least a part of the leakage state.

Control method and electronic device based on battery leakage state

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 apparatus and a method for charging a battery in an electronic device are provided. The method includes, when charging power of a first level is supplied from a charger, converting the charging power of the first level to a charging power of a second level before providing charging power to a charging circuit, providing the charging power of the second level to the charging circuit, wherein the charging power of the first level is greater than the charging power of the second level.

Method for charging battery and electronic device thereof

Growing community of inventors

Seoul, South Korea

Ku-Chul Jung