Control device

摘要

Problem to be solved: to provide a control device capable of preventing a failure in a semiconductor switching element.Control unit 10 isA closed state in which current is supplied to heater 20 andAn open state where no current is supplied andA voltage driven semiconductor switching element 300 for switching betweenSwitch between closed and open statesA gate drive circuit 500 for changing the gate voltage of a semiconductor switching deviceA control unit 120 for controlling the operation of gate drive circuitA temperature acquisition section 110 for obtaining the temperature of the semiconductor switching element.When the temperature of the semiconductor switching element 300 acquired by the temperature acquisition section 110 exceeds a predetermined upper limit temperature, the control section 120 performs the heat generation suppressing processing, which is a process for shortening the time required for switching between the closed state and the open state to be shorter than before.Diagram