Device for measuring a current through a choke of a voltage converter, having an integrator circuit, an amplifier circuit and an NTC resistor, wherein a load current of the voltage converter flows through the choke and the output side of the choke is connected to an output terminal of the voltage converter, wherein the integrator circuit is arranged in parallel with the choke and comprises a series circuit comprising an integrator resistor and an integrator capacitor, wherein the integrator capacitor is also connected to the output terminal of the voltage converter and a centre tap between the integrator resistor and the integrator capacitor is designed as the output of the integrator circuit and an integrator output signal is present at this output of the integrator circuit, wherein the amplifier circuit comprises an inverting and a non-inverting amplifier input terminal (152, 154) and an amplifier output terminal and a voltage signal characterizing the current through the choke is present at the amplifier output terminal of the amplifier circuit, wherein the NTC resistor is arranged in the feedback path of the amplifier circuit between the inverting amplifier input terminal and the amplifier output terminal, characterized in that the non-inverting amplifier input terminal is supplied with an amplifier input signal as a function of the integrator output signal, and the device comprises a reference voltage source having a positive source terminal and a negative source terminal, wherein the reference voltage source is used to couple in a first offset voltage at the output of the integrator circuit, wherein the negative source terminal is connected to the output terminal of the voltage converter, and the positive source terminal is connected to the output of the integrator circuit via a coupling resistor. having an integrator circuit, an amplifier circuit and an NTC resistor, wherein a load current of the voltage converter flows through the choke and the output side of the choke is connected to an output terminal of the voltage converter, wherein the integrator circuit is arranged in parallel with the choke and comprises a series circuit comprising an integrator resistor and an integrator capacitor, wherein the integrator capacitor is also connected to the output terminal of the voltage converter and a centre tap between the integrator resistor and the integrator capacitor is designed as the output of the integrator circuit and an integrator output signal is present at this output of the integrator circuit, wherein the amplifier circuit comprises an inverting and a non-inverting amplifier input terminal (152, 154) and an amplifier output terminal and a voltage signal characterizing the current through the choke is present at the amplifier output terminal of the amplifier circuit, wherein the NTC resistor is arranged in the feedback path of the amplifier circuit between the inverting amplifier input terminal and the amplifier output terminal, characterized in that the non-inverting amplifier input terminal is supplied with an amplifier input signal as a function of the integrator output signal, and the device comprises a reference voltage source having a positive source terminal and a negative source terminal, wherein the reference voltage source is used to couple in a first offset voltage at the output of the integrator circuit, wherein the negative source terminal is connected to the output terminal of the voltage converter, and the positive source terminal is connected to the output of the integrator circuit via a coupling resistor.