| 摘要 |
A universal power supply system has a device circuit, a universal power supply, and a standard interface unit coupled between the device circuit, and the universal power supply, whereby a required power is supplied to the electronic product. The device circuit includes a device ID code unit to provide an ID code, and a power input interface by which the required power can be inputted to the device circuit. The universal power supply includes a voltage supply unit, a device ID detecting unit that can detect the device ID code through the standard interface, and a voltage control unit to control the voltage supply unit for providing the required power type through the standard interface.
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