Charging device, charging method and terminal
AssigneeYulong Computer Telecommunication Scientific (Shenzhen) Co., Ltd.
InventorJU-ZHANG WU
Life of this patent
Estimating the term…
Abstract
A charging device, a charging method and a terminal, an output end of the main charging circuit and output ends of the at least two secondary charging circuits are connected to a battery of an electronic device, and the output end of the main charging circuit is used for supplying power to an internal chip of the electronic device, disconnecting a connection between the main charging circuit and the battery when a voltage of the output end of the main charging circuit reaches a voltage required by the internal chip, and supplying power for the battery through the output ends of the at least two secondary charging circuits. in this way, charging time is shortened and a purpose of fast charging a battery is achieved.
Claims15
A charging device, comprising a charging circuit and a controller:
- the charging circuit comprising a main charging circuit and at least two secondary circuits, the main charging circuit and the at least two secondary charging circuits being connected in parallel, an input end of the main charging circuit and input ends of the at least two secondary charging circuits being connected to an external power supply device, an output end of the main charging circuit and output ends of the at least two secondary charging circuits being connected to a battery of an electronic device, and the output end of the main charging circuit being used for supplying power to an internal chip of the electronic device;
- the controller, connected to the charging circuit, being used for managing a charging process of the charging circuit, management of the charging process of the charging circuit comprising:
- disconnecting a connection between the main charging circuit and the battery when a voltage of the output end of the main charging circuit reaches a voltage required by the internal chip, and supplying power for the battery through the output ends of the at least two secondary charging circuits.
A charging method, applied to a charging device, comprising:
- controlling a main charging circuit in the charging device to switch from charging a battery of an electronic device to supplying power to an internal chip of the electronic device after a charging phase of the charging device enters a constant current phase;
- increasing voltages of output ends of all secondary charging circuits in the charging device, such that increased voltages of the output ends of the secondary charging circuits be greater than a voltage required by the internal chip;
- controlling all of the secondary charging circuits to charge the battery using the increased voltage.
A terminal, comprising a charging device, the charging device comprising a charging circuit and a controller:
- the charging circuit comprising a main charging circuit and at least two secondary circuits, the main charging circuit and the at least two secondary charging circuits being connected in parallel, an input end of the main charging circuit and input ends of the at least two secondary charging circuits being connected to an external power supply device, an output end of the main charging circuit and output ends of the at least two secondary charging circuits being connected to a battery of an electronic device, and the output end of the main charging circuit being used for supplying power for an internal chip of the electronic device;
- the controller, connected to the charging circuit, being used for managing a charging process of the charging circuit, management of the charging process of the charging circuit comprising:
- disconnecting a connection between the main charging circuit and the battery when a voltage of the output end of the main charging circuit reaches a voltage required by the internal chip, and supplying power for the battery through the output ends of the at least two secondary charging circuits.
Dependencies are inferred from the claim text.