| 主权项 |
1. A power management circuit, adapted to manage power of a motherboard circuit, the motherboard circuit receiving a main power and a standby power from a power module, the motherboard circuit comprising a network module and a board control unit, characterized by that the power management circuit is coupled to the motherboard circuit and the power module, the motherboard circuit receiving a remote control signal through the network module and outputting a power-off command to the power management circuit according to the remote control signal, the power management circuit causing the power module to stop supplying power to the motherboard circuit according to the power-off command, and causing the power module to supply power again to the motherboard circuit after a predetermined time to have the motherboard circuit executing an initialization procedure;
wherein the power management circuit comprises:
a switching unit, coupled between the motherboard circuit and the power module; anda power management unit, coupled to the switching unit, the power module, and the motherboard circuit, the power management unit receiving an operating power and controlling the switching unit to cause the power module to stop supplying power to the motherboard circuit according to the power-off command; wherein the power management unit comprises:
a control unit, coupled to the switching unit, controlling the operations of the switching unit;a timer, coupled to the control unit; anda memory unit, coupled to the control unit. |
