Level converter circuit, comprising: an input with a first terminal and a second terminal; an output with a third terminal and a fourth terminal; a first resistor connected between the first terminal and the third terminal; a second resistor connected between the second terminal and the fourth terminal; and a current adjustment circuit configured to influence a current (i 1) through the first resistor and a current (i 2) through the second resistor such that an output voltage (u out) of the level converter circuit does not exceed a maximum allowable value; wherein the current adjustment circuit is a current regulating circuit that is configured to regulate the current (i 1) through the first resistor and the current (i 2) through the second resistor based on the output voltage (u out), wherein the current regulating circuit comprises a common mode detector that is configured to determine a common mode level of the output voltage (u out), wherein the common mode detector comprises a voltage divider that is configured to provide the common mode level of the output voltage (u out) at a center of the voltage divider; wherein the current level circuit comprises a first transistor and a second transistor, wherein the first transistor is configured to influence the current (i 1) through the first resistor, and wherein the second transistor is configured to influence the current (i 2) through the second resistor, wherein control voltages of the first transistor and the second transistor depend on the determined common mode level of the output voltage (u out); wherein the first transistor and the second transistor are field-effect transistors; wherein the gates of the field-effect transistors (30; 52) are connected to the center of the voltage divider. an input with a first terminal and a second terminal; an output with a third terminal and a fourth terminal; a first resistor connected between the first terminal and the third terminal; a second resistor connected between the second terminal and the fourth terminal; and a current adjustment circuit configured to influence a current (i 1) through the first resistor and a current (i 2) through the second resistor such that an output voltage (u out) of the level converter circuit does not exceed a maximum allowable value; wherein the current adjustment circuit is a current regulating circuit that is configured to regulate the current (i 1) through the first resistor and the current (i 2) through the second resistor based on the output voltage (u out), wherein the current regulating circuit comprises a common mode detector that is configured to determine a common mode level of the output voltage (u out), wherein the common mode detector comprises a voltage divider that is configured to provide the common mode level of the output voltage (u out) at a center of the voltage divider; wherein the current level circuit comprises a first transistor and a second transistor, wherein the first transistor is configured to influence the current (i 1) through the first resistor, and wherein the second transistor is configured to influence the current (i 2) through the second resistor, wherein control voltages of the first transistor and the second transistor depend on the determined common mode level of the output voltage (u out); wherein the first transistor and the second transistor are field-effect transistors; wherein the gates of the field-effect transistors (30; 52) are connected to the center of the voltage divider.