Patent ID: 8467935

Claim:
An electronic control unit ( 3 ) for a motor vehicle comprising: a microcontroller ( 30 ) which controls the operation of an engine of the motor vehicle, a regulator ( 31 ) of a voltage delivered to the microcontroller ( 30 ) by an electric power source ( 2 ), a voltage step-up device ( 32 ) comprising control means ( 321 ) suitable for activating at least one inductive load ( 320 ) coupled to the power source ( 2 ), an activation which consists of successive energy accumulations and discharges by said at least one inductive load, the at least one inductive load is not necessary to start an engine of the motor vehicle, wherein the at least one inductive load ( 320 ) is shared with at least one second device ( 4 ) that is internal or external to the electronic control unit ( 3 ), and operation of the at least one second device is controlled by said electronic control unit.