Invention Application
US20120023341A1 POWER SUPPLY CIRCUIT AND MOTHERBOARD INCLUDING THE SAME 失效
电源电路和主板包括它们

POWER SUPPLY CIRCUIT AND MOTHERBOARD INCLUDING THE SAME
Abstract:
A power supply circuit includes a power controller and a switch. The power controller is connected to a Southbridge chip of a motherboard. The Southbridge chip outputs status signals of the motherboard. The power controller provides a +5V_SYS voltage or a +5V_SB voltage to a universal serial bus (USB) connector according to the status signals. The switch is connected to the USB connector, a USB controller, and the Southbridge chip. The switch connects or disconnects from the USB connector and the USB controller according to the status signals.
Public/Granted literature
Information query
Patent Agency Ranking
0/0