Patent ID: 7969208

Claim:
A control circuit comprising a control logic with at least two outputs each capable of providing a first control signal for controlling a controllable power semiconductor switch; at least two circuit sets, precisely one each of which is assigned one of the outputs of the control logic and each of which comprises an input which is coupled/coupleable electrically to the output of the control logic assigned to the corresponding circuit sets; each of the circuit sets comprising: a power driver assigned to each circuit set which is coupled/coupleable electrically at the input side to the input of the corresponding circuit set; a power supply connection set comprising at least two terminals which is coupled/coupleable electrically to precisely one of the power driver of the corresponding circuit set to connect the corresponding power driver to a voltage source for application to the corresponding circuit sets; a signal common output and signal output for controlling the controllable power semiconductor switch; wherein each of the at least two terminals of the circuit sets is or may be connected electrically by using an impedance component to the power driver of the power supply connection set assigned to the corresponding power supply connection set, each impedance component comprising an impedance other than zero having an effective resistance and/or a reactance; wherein in each of the circuit sets one of the impedance components of the respective circuit set is connected, on its side facing the power driver of the respective circuit set, directly to the signal common output of the respective circuit set; each of the other impedance components of the respective circuit set is connected, on its side facing the power driver of the respective circuit set, via a capacitor to the signal common output of the respective circuit set; and the power for supplying the complete power driver of the respective circuit set is supplied via the impedance components of the respective circuit set only.