A load driver circuit that controls driving of a load, comprising: a first terminal to which the load is connectable at one end thereof; a second terminal to which a battery is connectable at a negative electrode thereof, the battery being connectable to another end of the load at a positive electrode thereof; a load switch element that has a current path connected between the first terminal at one end thereof and the second terminal at another end thereof, the load switch element configured for being turned on to supply a current from the battery to the load to drive the load and being turned off to interrupt the supply of the current to the load to stop the operation of the load; a detection circuit comprising a first switch element connected to the first terminal at one end thereof, a detection capacitor connected to another end of the first switch element at one end thereof and to a first node at another end thereof, a detection resistor connected to the first node at one end thereof and to the second terminal at another end thereof, and a discharge resistor connected in parallel with the detection resistor and the detection capacitor between the another end of the first switch element and the second terminal, the discharge resistor being connected to the another end of the first switch element at one end thereof and to the second terminal at another end thereof, the detection circuit configured for detecting a current that flows to the detection capacitor from the first terminal through the first switch element and outputting a detection signal responsive to a result of the detection at the first node; a peak hold circuit adapted to hold a peak voltage of the detection signal and outputs the held peak voltage as a detection voltage; a comparison circuit adapted to that compare the detection voltage with a threshold voltage and output a comparison result signal responsive to a result of the comparison. a first terminal to which the load is connectable at one end thereof; a second terminal to which a battery is connectable at a negative electrode thereof, the battery being connectable to another end of the load at a positive electrode thereof; a load switch element that has a current path connected between the first terminal at one end thereof and the second terminal at another end thereof, the load switch element configured for being turned on to supply a current from the battery to the load to drive the load and being turned off to interrupt the supply of the current to the load to stop the operation of the load; a detection circuit comprising a first switch element connected to the first terminal at one end thereof, a detection capacitor connected to another end of the first switch element at one end thereof and to a first node at another end thereof, a detection resistor connected to the first node at one end thereof and to the second terminal at another end thereof, and a discharge resistor connected in parallel with the detection resistor and the detection capacitor between the another end of the first switch element and the second terminal, the discharge resistor being connected to the another end of the first switch element at one end thereof and to the second terminal at another end thereof, the detection circuit configured for detecting a current that flows to the detection capacitor from the first terminal through the first switch element and outputting a detection signal responsive to a result of the detection at the first node; a peak hold circuit adapted to hold a peak voltage of the detection signal and outputs the held peak voltage as a detection voltage; a comparison circuit adapted to that compare the detection voltage with a threshold voltage and output a comparison result signal responsive to a result of the comparison.