A control circuit connectable to a solid state switching device of a solid state power controller to supply a control voltage to a control terminal of the solid state switching device, the solid state switching device having a first terminal, a second terminal, and the control terminal, the solid state switching device configured to switch between an OFF operation mode in which the second terminal is electrically disconnected from the first terminal, and an ON operation mode in which the second terminal is electrically connected to the first terminal, according to the control voltage applied to the control terminal; the control circuit comprising: - an output stage gate driver configured to supply commands to control the control terminal of the solid state switching device; - a primary controller operative to supply a primary control voltage to the control terminal of the solid state switching device via the output stage gate driver; and - an auxiliary circuit configured to supply an auxiliary control voltage to the control terminal of the solid state switching device via the output stage gate driver in case the primary controller falls into an inoperative condition, wherein the auxiliary circuit comprises a memory unit configured to store information indicative of the primary control voltage supplied by the primary controller at the time of falling into the inoperative condition, wherein the information is used to generate the commands applied to the control terminal, wherein the auxiliary control voltage corresponds to the primary control voltage supplied by the primary controller at the time of falling into the inoperative condition, wherein the memory unit has a power input connected to a power supply of the primary controller, and wherein the control circuit further comprises a charge storing unit configured to temporarily supply the memory unit with electric power when the power supply of the primary controller is cut off, wherein the memory unit is connected in between an output side of the primary controller and an input side of the output stage gate driver, wherein the memory unit has a data input to which the primary control voltage is supplied and a data output connected to the input side of the output stage gate driver to deliver the primary control voltage or the auxiliary control voltage to the output stage gate driver; characterized in that the memory unit has a clock input supplied by a clock signal indicative of control cycles of the primary controller and the memory unit is configured to store information indicative of the primary control voltage applied by the primary controller in a previous or current control cycle. - an output stage gate driver configured to supply commands to control the control terminal of the solid state switching device; - a primary controller operative to supply a primary control voltage to the control terminal of the solid state switching device via the output stage gate driver; and - an auxiliary circuit configured to supply an auxiliary control voltage to the control terminal of the solid state switching device via the output stage gate driver in case the primary controller falls into an inoperative condition,