Universal power supply apparatus

摘要

There is provided a universal power supply apparatus including a power supply unit switching input power into driving power having a preset voltage level and supplying the driving power, a power recognition unit outputting a recognition voltage having a preset voltage level to an output terminal from which the power is output to recognize connection of a device, controlling a power output of the power supply unit according to a detected rated output, and recognizing disconnection of the device after the connection of the device according to a power state of the driving power of the power supply unit, and a detection unit providing a detection voltage having a preset voltage level to the output terminal.

主权项

1. A universal power supply apparatus, comprising:
a power supply unit switching input power into driving power having a preset voltage level and supplying the driving power; a power recognition unit outputting a recognition voltage having a preset voltage level to an output terminal from which the power is output to recognize connection of a device, controlling a power output of the power supply unit according to a detected rated output, and recognizing disconnection of the device after the connection of the device according to a power state of the driving power of the power supply unit; and a detection unit providing a detection voltage having a preset voltage level to the output terminal, wherein the power recognition unit recognizes the disconnection of the device based on the power state of the driving power according o changes in a switching mode of the power supply unit during the disconnection of the device.