Load Switch Integrated Circuit And Electronic Device

An electronic device, comprising a load switch integrated circuit, wherein the load switch integrated circuit comprises:

• a first switch transistor, a surge detection circuit, a control circuit, a first discharging unit and a second discharging unit, and wherein
• an input of the first switch transistor, an input of the surge detection circuit and an input of the first discharging unit are connected to an input of the load switch integrated circuit,
• an output of the first switch transistor and an input of the second discharging unit are connected to an output of the load switch integrated circuit,
• an output of the surge detection circuit is connected to a control terminal of the first discharging unit and an input of the control circuit,
• an output of the control circuit is connected to a control terminal of the first switch transistor and a control terminal of the second discharging unit,
• an output of the first discharging unit and an output of the second discharging unit are grounded, and
• the surge detection circuit is configured to:
• detect whether a surge voltage is applied to the input of the load switch integrated circuit;
• control, in a case that a surge voltage is applied to the input of the load switch integrated circuit, the first discharging unit to be switched on to discharge surge energy from the input of the load switch integrated circuit to the ground;
• and
• control, in a case that a surge voltage is applied to the input of the load switch integrated circuit, the first switch transistor and the second discharging unit to be switched on through the control circuit to discharge surge energy to the output of the load switch integrated circuit to the ground.