Method and apparatus for selecting the output of programmable power adapter
First Claim
1. A method of programming an output of a programmable power adapter, comprising:
- sending a signal to a device;
checking the level of the signal in the programmable power adapter with at least one threshold to set a code; and
determining whether change of an output voltage of the programmable power adapter is required in accordance with the code and programming the output voltage in accordance with the code if required;
wherein a resistor installed in the device is coupled to the signal to determine the level of the signal;
the output voltage of the programmable power adapter is coupled to the device to provide a power for a load of the device.
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Abstract
An apparatus of programming an output of a programmable power adapter according to the present invention comprises a control circuit. The method according to the present invention sends a signal to a device. A resistor is coupled to the signal to determine the level of the signal. The resistor is installed in the device. The method according to the present invention checks the level of the signal in the programmable power adapter and determines an output voltage of the programmable power adapter in accordance with the level of the signal. The output voltage of the programmable power adapter is coupled to the device to provide a power for a load of the device.
10 Citations
18 Claims
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1. A method of programming an output of a programmable power adapter, comprising:
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sending a signal to a device; checking the level of the signal in the programmable power adapter with at least one threshold to set a code; and determining whether change of an output voltage of the programmable power adapter is required in accordance with the code and programming the output voltage in accordance with the code if required; wherein a resistor installed in the device is coupled to the signal to determine the level of the signal;
the output voltage of the programmable power adapter is coupled to the device to provide a power for a load of the device. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method of programming an output of a power adapter, comprising:
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sending a signal to a device; checking the level of the signal in the power adapter with at least one threshold to set a code; and determining whether change of an output voltage of the power adapter is required in accordance with the code and programming the output voltage in accordance with the code if required; wherein a voltage-clamp device installed in the device is coupled to the signal to determine the level of the signal;
the output voltage of the power adapter is coupled to the device to provide a power for a load of the device. - View Dependent Claims (8, 9, 10, 11, 12, 13)
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14. An apparatus of programming an output of a programmable power adapter, comprising:
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a control circuit sending a signal to a device, in which the device is coupled to the signal to determine the level of the signal, the control circuit checks the level of the signal with at least one threshold to set a code, the control circuit determines whether change of an output voltage of the programmable power adapter is required in accordance with the code and programs the output voltage in accordance with the code if required; wherein an identification circuit installed in the device is coupled to the signal to determine the level of the signal;
the output voltage of the programmable power adapter is coupled to the device to provide a power for a load of the device. - View Dependent Claims (15)
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16. A programmable power adapter, comprising:
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a control circuit sending a signal to a device, in which the device is coupled to the signal to determine the level of the signal, the control circuit checks the level of the signal with at least one threshold to set a code, the control circuit determines whether change of an output voltage of the programmable power adapter is required in accordance with the code and programs the output voltage in accordance with the code if required; and a programmable power supply circuit generating the output voltage of the programmable power adapter and controlled by the control circuit for determining the output voltage in accordance with the code. - View Dependent Claims (17, 18)
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Specification