Fluxgate current transducer with an analog measurement channel

Fluxgate current transducer including a control circuit and a fluxgate device comprising a saturable soft magnetic core surrounded by an excitation coil, the control circuit comprising an excitation coil drive circuit connected to the excitation coil configured to generate an alternating magnetic field to alternatingly saturate the soft magnetic core, the excitation coil comprising a first winding and a second winding connected together at a common point forming an input of the first winding and an output of the second winding, the first winding connected in series to a first switch and the second winding connected in series to a second switch, the first and second switches controlled by the control circuit to provide an excitation coil current in the first winding generating a magnetic field in the magnetic core in a first direction, and an excitation coil current in the second winding generating a magnetic field in the magnetic core in a second direction opposite to the first direction, wherein the control circuit further comprises a First resistor connected on a high side of the fluxgate device, the control circuit further comprising a third switch S3 placed in a bypass circuit parallel with the First resistor configured to short circuit the First resistor when the switch is switched to the closed position, and wherein the analog measurement channel comprises a reference voltage source to control a supply reference voltage for the ADC module.