POWER DRIVING CHIP AND METHOD

A power driving chip and method are disclosed. The power driving chip includes an integrated power module disposed in a package structure and including a transistor and a gate driver electrically connected to the transistor; a controller disposed in the package structure and electrically connected to the integrated power module; and a multi-level over-temperature protection circuit arranged in theintegrated power module and for measuring an inner temperature of the integrated power module. When the inner temperature exceeds a first trigger temperature, the multi-level over-temperature protection circuit triggers the controller to reduce the output power of the integrated power module. When the inner temperature exceeds a second trigger temperature, the multi-level overheating protection circuit produces an overloading driving signal to the controller and the controller turns off the integrated power module according to the overloading driving signal. The second trigger temperature ishigher than the first trig