ADAPTER AND CHARGING CONTROL METHOD
First Claim
1. An adapter, comprisinga power conversion unit, configured to convert an input alternating current to obtain an output voltage and an output current of the adapter;
- a voltage feedback unit, wherein an input end of the voltage feedback unit is coupled to the power conversion unit, and the voltage feedback unit is configured to detect the output voltage of the adapter to generate a voltage feedback signal, in which the voltage feedback signal is configured to indicate whether the output voltage of the adapter reaches a predetermined target voltage;
a current feedback unit, wherein an input end of the current feedback unit is coupled to the power conversion unit, and the current feedback unit is configured to detect the output current of the adapter to generate a current feedback signal, wherein the current feedback signal is configured to indicate whether the output current of the adapter reaches a predetermined target current;
a power adjusting unit, wherein an input end of the power adjusting unit is coupled to an output end of the voltage feedback unit and an output end of the current feedback unit respectively, an output end of the power adjusting unit is coupled to the power conversion unit, the power adjusting unit is configured to receive the voltage feedback signal and the current feedback signal, and to stabilize the output voltage and the output current of the adapter when the voltage feedback signal indicates that the output voltage of the adapter reaches the target voltage or when the current feedback signal indicates that the output current of the adapter reaches the target current; and
a charging interface, wherein the adapter is configured to perform a bidirectional communication with the device to be charged via a data wire of the charging interface.
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Accused Products
Abstract
An adapter and a charging control method are provided, the adapter includes a power conversion unit, a voltage feedback unit, a current feedback unit and a power adjusting unit. An input end of the power adjusting unit is coupled to an output end of the voltage feedback unit and an output end of the current feedback unit respectively, and an output end of the power adjusting unit is coupled to the power conversion unit. The power adjusting unit is configured to receive a voltage feedback signal and a current feedback signal, and to stabilize the output voltage and the output current of the adapter when the voltage feedback signal indicates that the output voltage of the adapter reaches a predetermined target voltage or when the current feedback signal indicates that the output current of the adapter reaches a predetermined target current.
11 Citations
30 Claims
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1. An adapter, comprising
a power conversion unit, configured to convert an input alternating current to obtain an output voltage and an output current of the adapter; -
a voltage feedback unit, wherein an input end of the voltage feedback unit is coupled to the power conversion unit, and the voltage feedback unit is configured to detect the output voltage of the adapter to generate a voltage feedback signal, in which the voltage feedback signal is configured to indicate whether the output voltage of the adapter reaches a predetermined target voltage; a current feedback unit, wherein an input end of the current feedback unit is coupled to the power conversion unit, and the current feedback unit is configured to detect the output current of the adapter to generate a current feedback signal, wherein the current feedback signal is configured to indicate whether the output current of the adapter reaches a predetermined target current; a power adjusting unit, wherein an input end of the power adjusting unit is coupled to an output end of the voltage feedback unit and an output end of the current feedback unit respectively, an output end of the power adjusting unit is coupled to the power conversion unit, the power adjusting unit is configured to receive the voltage feedback signal and the current feedback signal, and to stabilize the output voltage and the output current of the adapter when the voltage feedback signal indicates that the output voltage of the adapter reaches the target voltage or when the current feedback signal indicates that the output current of the adapter reaches the target current; and a charging interface, wherein the adapter is configured to perform a bidirectional communication with the device to be charged via a data wire of the charging interface. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18-28. -28. (canceled)
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29. A charging control method, wherein the method is applied in an adapter, and the method comprises:
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converting an input alternating current to obtain an output voltage and an output current of the adapter; detecting the output voltage of the adapter to generate a voltage feedback signal, wherein the voltage feedback signal is configured to indicate whether the output voltage of the adapter reaches a predetermined target voltage; detecting the output current of the adapter to generate a current feedback signal, wherein the current feedback signal is configured to indicate whether the output current of the adapter reaches a predetermined target current; stabilizing the output voltage and the output current of the adapter when the voltage feedback signal indicates that the output voltage of the adapter reaches the target voltage or when the current feedback signal indicates that the output current of the adapter reaches the target current; and performing a bidirectional communication with the device to be charged via a data wire of a charging interface.
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30-53. -53. (canceled)
Specification