Power Management Device for a Computer System and Related Power Management Method and Computer System
First Claim
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1. A power management device for a computer system comprising:
- a detection unit, coupled to a peripheral interface of the computer system, for detecting whether a portable electronic device is coupled to the peripheral interface of the computer system when the computer system is shut down, to generate a detection result; and
a control unit, coupled to the detection unit and a power supply device of the computer system, for controlling the power supply device to output a charge current to the portable electronic device via the peripheral interface when the detection result indicates that the portable electronic device is coupled to the peripheral interface.
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Abstract
A power management device for a computer system includes a detection unit coupled to a peripheral interface of the computer system for detecting whether a portable electronic device is coupled to the peripheral interface when the computer system is shut down, to generate a detection result, and a control unit coupled to the detection unit and a power supply device of the computer system for controlling the power supply device to output a charge current to the portable electronic device via the peripheral interface when the detection result indicates that the portable electronic device is coupled to the peripheral interface.
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Citations
20 Claims
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1. A power management device for a computer system comprising:
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a detection unit, coupled to a peripheral interface of the computer system, for detecting whether a portable electronic device is coupled to the peripheral interface of the computer system when the computer system is shut down, to generate a detection result; and a control unit, coupled to the detection unit and a power supply device of the computer system, for controlling the power supply device to output a charge current to the portable electronic device via the peripheral interface when the detection result indicates that the portable electronic device is coupled to the peripheral interface. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A power management method for a computer system comprising:
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detecting whether a portable electronic device is coupled to a peripheral interface of the computer system when the computer system is shut down; and outputting a charge current to the portable electronic device via the peripheral interface when the portable electronic device is coupled to the peripheral interface. - View Dependent Claims (9, 10, 11, 12)
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13. A computer system capable of saving power comprising:
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a system circuit, for performing functions of the computer system, comprising a peripheral interface; a power supply device, coupled to the system circuit, for providing power to the system circuit; and a power management device comprising; a detection unit, coupled to the peripheral interface, for detecting whether a portable electronic device is coupled to the peripheral interface when the computer system is shut down, to generate a detection result; and a control unit, coupled to the detection unit and the power supply device, for controlling the power supply device to output a charge current to the portable electronic device via the peripheral interface when the detection result indicates that the portable electronic device is coupled to the peripheral interface. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
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Specification