Quick charging method, power adapter and mobile terminal
First Claim
1. A quick charging method, wherein, the method is applied to a power adapter, the power adapter is coupled to a mobile terminal through a universal serial bus (USB) interface, a power line in the USB interface is used by the power adapter to charge the mobile terminal, a data line in the USB interface is used by the power adapter to conduct a bidirectional communication with the mobile terminal, and the power adapter supports a common charging mode and a quick charging mode, wherein a charging current of the quick charging mode is greater than that of the common charging mode;
- the method comprises;
conducting by the power adapter a bidirectional communication with the mobile terminal through the data line in the USB interface so as to determine to charge the mobile terminal in the quick charging mode; and
adjusting by the power adapter a charging current to a charging current corresponding to the quick charging mode so as to charge the mobile terminal;
wherein conducting by the power adapter a bidirectional communication with the mobile terminal through the data line in the USB interface so as to determine to charge the mobile terminal in the quick charging mode comprises;
sending by the power adapter a first instruction to the mobile terminal after the power adapter outputs continuously an output current larger than or equal to a preset current to the mobile terminal for a preset period of time, and the first instruction being configured to ask the mobile terminal whether to start the quick charging mode;
receiving by the power adapter a replying instruction of the first instruction from the mobile terminal, the replying instruction of the first instruction being configured to indicate that the mobile terminal agrees to start the quick charging mode.
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Accused Products
Abstract
A quick charging method, a power adapter and a mobile terminal are provided. The method is applied to the power adapter, the power adapter is coupled to the mobile terminal through a USB interface, a power line in the USB interface is used by the power adapter to charge the mobile terminal, a data line in the USB interface is used by the power source adapter to conduct a bidirectional communication with the mobile terminal, and the power adapter supports a common charging mode and a quick charging mode, charging current of the quick charging mode is greater than that of the common charging mode. The method includes: conducting a bidirectional communication with the mobile terminal to determine to charge the mobile terminal in the quick charging mode; and adjusting charging current to charging current corresponding to the quick charging mode to charge the mobile terminal.
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Citations
27 Claims
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1. A quick charging method, wherein, the method is applied to a power adapter, the power adapter is coupled to a mobile terminal through a universal serial bus (USB) interface, a power line in the USB interface is used by the power adapter to charge the mobile terminal, a data line in the USB interface is used by the power adapter to conduct a bidirectional communication with the mobile terminal, and the power adapter supports a common charging mode and a quick charging mode, wherein a charging current of the quick charging mode is greater than that of the common charging mode;
- the method comprises;
conducting by the power adapter a bidirectional communication with the mobile terminal through the data line in the USB interface so as to determine to charge the mobile terminal in the quick charging mode; and adjusting by the power adapter a charging current to a charging current corresponding to the quick charging mode so as to charge the mobile terminal; wherein conducting by the power adapter a bidirectional communication with the mobile terminal through the data line in the USB interface so as to determine to charge the mobile terminal in the quick charging mode comprises; sending by the power adapter a first instruction to the mobile terminal after the power adapter outputs continuously an output current larger than or equal to a preset current to the mobile terminal for a preset period of time, and the first instruction being configured to ask the mobile terminal whether to start the quick charging mode; receiving by the power adapter a replying instruction of the first instruction from the mobile terminal, the replying instruction of the first instruction being configured to indicate that the mobile terminal agrees to start the quick charging mode. - View Dependent Claims (2, 3, 4, 5)
- the method comprises;
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6. A quick charging method, wherein, the method is applied to a mobile terminal, the mobile terminal is coupled to a power adapter through a universal serial bus (USB) interface, a power line in the USB interface is configured to charge the mobile terminal, a data line in the USB interface is used by the mobile terminal to conduct a bidirectional communication with the power adapter, and the mobile terminal supports a common charging mode and a quick charging mode, in which a charging current of the quick charging mode is greater than that of the common charging mode;
- the method comprises;
conducting by the mobile terminal a bidirectional communication with the power adapter through the data line in the USB interface, such that the power adapter determines to charge the mobile terminal in the quick charging mode; and receiving by the mobile terminal a charging current corresponding to the quick charging mode from the power adapter so as to charge a battery in the mobile terminal, wherein, conducting by the mobile terminal a bidirectional communication with the power adapter through the data line in the USB interface such that the power adapter determines to charge the mobile terminal in the quick charging mode comprises; receiving by the mobile terminal a first instruction sent by the power adapter after the mobile terminal receives continuously an output current larger than or equal to a preset current from the power adapter for a preset period of time, and the first instruction being configured to ask the mobile terminal whether to start the quick charging mode; and sending by the mobile terminal a replying instruction of the first instruction to the power adapter, the replying instruction of the first instruction being configured to indicate that the mobile terminal agrees to start the quick charging mode. - View Dependent Claims (7, 8, 9, 10, 11, 12, 13, 14)
- the method comprises;
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15. A power adapter, wherein, the power adapter is coupled to a mobile terminal through a universal serial bus (USB) interface, a power line in the USB interface is used by the power adapter to charge the mobile terminal, a data line in the USB interface is used by the power adapter to conduct a bidirectional communication with the mobile terminal, and the power adapter supports a common charging mode and a quick charging mode, in which a charging current of the quick charging mode is greater than that of the common charging mode;
- the power adapter comprises;
a communication circuit, configured to conduct a bidirectional communication with the mobile terminal through the data line in the USB interface so as to determine to charge the mobile terminal in the quick charging mode; and a current adjusting circuit, configured to adjust a charging current to a charging current corresponding to the quick charging mode so as to charge the mobile terminal; wherein the communication circuit is configured to send a first instruction to the mobile terminal, after the power adapter outputs continuously an output current larger than or equal to a preset current to the mobile terminal for a preset period of time, the first instruction being configured to ask the mobile terminal whether to start the quick charging mode; and
the communication circuit is further configured to receive a replying instruction of the first instruction from the mobile terminal, the replying instruction of the first instruction being configured to indicate that the mobile terminal agrees to start the quick charging mode. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23)
- the power adapter comprises;
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24. A mobile terminal, wherein, the mobile terminal is coupled to a power adapter through a universal serial bus (USB) interface, a power line in the USB interface is configured to charge the mobile terminal, a data line in the USB interface is used by the mobile terminal to conduct a bidirectional communication with the power adapter, and the mobile terminal supports a common charging mode and a quick charging mode, in which a charging current of the quick charging mode is greater than that of the common charging mode;
- the mobile terminal comprises;
a communication circuit, configured to conduct a bidirectional communication with the power adapter through the data line in the USB interface such that the power adapter determines to charge the mobile terminal in the quick charging mode; and a charging circuit, configured to receive a charging current corresponding to the quick charging mode from the power adapter so as to charge a battery in the mobile terminal; wherein the communication unit is further configured to receive a first instruction sent by the power adapter after the mobile terminal receives continuously an output current larger than or equal to a preset current from the power adapter for a preset period of time, the first instruction being configured to ask the mobile terminal whether to start the quick charging mode; and
the communication unit is further configured to send a replying instruction of the first instruction to the power adapter, the replying instruction of the first instruction being configured to indicate that the mobile terminal agrees to start the quick charging mode. - View Dependent Claims (25, 26, 27)
- the mobile terminal comprises;
Specification