A circuit for a vehicular head lamp comprising a left head lamp and a right head lamp, comprising: - a driver integrated circuit, IC, for the vehicular head lamp, the driver IC comprising a power input port (a) arranged to be connected to a power source providing a first input for driving the driver IC via a discharge path circuit and an operation mode selection port (b) arranged to be connected to an operation mode selection circuit, said operation mode selection circuit providing open or ground for indicating a selection of either the left head lamp or the right head lamp to the operation mode selection port (b), the circuit further comprising the discharge path circuit for providing a discharge path to the power input port (a) of the driver IC, the discharge path circuit comprising - a diode having a first node arranged to be connected to said power source, - a LC filter unit comprising an inductor interconnected between the power input port (a) of the driver IC and another node of the diode, and a capacitor interconnected between the power input port (a) and a ground, - a further capacitor (C1 interconnected between the ground and said first node of the diode, - a plurality of capacitors (C2, C3, C4) interconnected between the ground and said another node of the diode, and - first and second resistors (120, 130), an end of the first resistor (R1, 120) being connected to the another node of the diode and another end of the first resistor (R1, 120) being connected to the operation mode selection port (b) of the driver IC, an end of the second resistor (R2, 130) being connected to the operation mode selection port (b) of the driver IC, and another end of the second resistor (R2, 130) being connected to the ground. - a driver integrated circuit, IC, for the vehicular head lamp, the driver IC comprising a power input port (a) arranged to be connected to a power source providing a first input for driving the driver IC via a discharge path circuit and an operation mode selection port (b) arranged to be connected to an operation mode selection circuit, said operation mode selection circuit providing open or ground for indicating a selection of either the left head lamp or the right head lamp to the operation mode selection port (b), the circuit further comprising the discharge path circuit for providing a discharge path to the power input port (a) of the driver IC, the discharge path circuit comprising - a diode having a first node arranged to be connected to said power source, - a LC filter unit comprising an inductor interconnected between the power input port (a) of the driver IC and another node of the diode, and a capacitor interconnected between the power input port (a) and a ground, - a further capacitor (C1 interconnected between the ground and said first node of the diode, - a plurality of capacitors (C2, C3, C4) interconnected between the ground and said another node of the diode, and - first and second resistors (120, 130), an end of the first resistor (R1, 120) being connected to the another node of the diode and another end of the first resistor (R1, 120) being connected to the operation mode selection port (b) of the driver IC, an end of the second resistor (R2, 130) being connected to the operation mode selection port (b) of the driver IC, and another end of the second resistor (R2, 130) being connected to the ground.