Mobile terminal AC and USB charge mode identification circuit

The utility model discloses a mobile terminal AC and USB charge mode identification circuit, the charge mode identification circuit is used for mobile terminal, and mobile terminal includes the power strip, has AC_charge input and USB_charge input on the power strip, the charge mode identification circuit including the delay element of the VBUS signal that is used for delaying, be used for latching latch or the trigger and the switch of USB_DM signal, the clock terminal of latch passes through the external VBUS signal of delay element, the input and the USB_DM signal connection of latch, the output of latch is connected with switch's control end, the AC_charge that switch's input and VBUS signal connection, output connected the board holds, VBUS signal pin is connected with the USB_charge end of power strip. This scheme is in ability effective recognition AC charger and USB charge mode, and hardware circuit is clear, and the cost is reduced. 本实用新型公开了种移动终端AC与USB充电模式识别电路，所述充电模式识别电路用于移动终端，移动终端包括电源板，电源板上有AC_charg