Method and apparatus for sensing small currents

Apparatus (1) for recording current in a power transistor arrangement having a power transistor (2), a first series circuit (9) having a first transistor (4) and a first resistor (5), wherein the first resistor (5) is arranged in a load circuit of the first transistor (4), a second series circuit (10) having a second transistor (6) and a second resistor (7), wherein the second resistor (7) is arranged in a load circuit of the second transistor (6), wherein the first series circuit (9), the second series circuit (10) and the power transistor (2) are arranged parallel to one another, wherein the first resistor (5) is connected to the first transistor (4) in an electrically conductive manner if the first transistor (4) is switched on, and wherein the second resistor (7) is connected to the second transistor (6) in an electrically conductive manner if the second transistor (6) is switched on, wherein a gate connection of the first transistor (4) is connected to a gate connection of the power transistor (2) in an