Charging apparatus and method, and related device
AssigneeHuawei Technologies Co., Ltd.
InventorsZhangrong Hu, Jie Yang, Tianyu Yang
Life of this patent
Estimating the term…
Abstract
This application provides a charging apparatus. The charging apparatus is used in an electronic device. The electronic device includes a battery module, and the battery module corresponds to a constant voltage charging phase in a charging process. The apparatus includes a charging control unit and a processing unit. The charging control unit is configured to output a preset first voltage to the battery module in the constant voltage charging phase. According to this application, a charging voltage in the constant voltage charging phase can be calibrated, to ensure a battery life and power consumption safety of the electronic device.
Claims20
A charging apparatus, used in an electronic device, comprising:
- a battery module configured to correspond to a constant voltage charging phrase in a charging process;
- a processing unit;
- and
- a charging control unit coupled to the processing unit and the battery module,
- wherein the charging control unit is configured to output a preset first voltage to the battery module in the constant voltage charging phase,
- wherein the processing unit is configured to obtain a voltage value of a second voltage of the battery module in the constant voltage charging phase, and obtain, based on the voltage value of the second voltage, adjustment information corresponding to the preset first voltage, wherein the second voltage is an actual charging voltage obtained by the battery module at the preset first voltage,
- wherein the charging control unit is configured to adjust the preset first voltage based on the adjustment information, and output a third voltage to the battery module, and wherein the third voltage is an adjusted first voltage.
A charging method, implemented by an electronic device, comprising:
- outputting, by a charging control unit of the electronic device, a preset first voltage to a battery module of the electronic device in the constant voltage charging phase, wherein the battery module corresponds to a constant voltage charging phase in a charging process;
- obtaining, by a processing unit of the electronic device, a voltage value of a second voltage of the battery module of the electronic device;
- obtaining, by the processing unit of the electronic device, based on the voltage value of the second voltage, adjustment information corresponding to the preset first voltage, wherein the second voltage is an actual charging voltage obtained by the battery module at the preset first voltage;
- and
- adjusting, by the charging control unit, the preset first voltage based on the adjustment information, and outputting, by the charging control unit, a third voltage to the battery module, wherein the third voltage is an adjusted first voltage.
An electronic device, comprising:
- a battery module;
- and
- a charging apparatus electrically coupled to the battery module, wherein the battery module corresponds to a constant voltage charging phrase in a charging process, and the charging apparatus includes a charging control unit and a processing unit, wherein
- the charging control unit is configured to output a preset first voltage to the battery module in the constant voltage charging phase,
- the processing unit is configured to:
- obtain a voltage value of a second voltage of the battery module in the constant voltage charging phase, and obtain, based on the voltage value of the second voltage, adjustment information corresponding to the preset first voltage, wherein the second voltage is an actual charging voltage obtained by the battery module at the preset first voltage, and
- the charging control unit is configured to:
- adjust the preset first voltage based on the adjustment information, and output a third voltage to the battery module, wherein the third voltage is an adjusted first voltage.
Dependencies are inferred from the claim text.