Current measurement circuit configured to provide a measurement signal for a controller for controlling a switching of power switches of a power converter , comprising a) a first current sensing circuit configured to sense a first bidirectional current representative of a current through a first power switch of the power converter connected to an input voltage of the power converter , the first current sensing circuit being adapted to provide a first sensing signal indicative of the first bidirectional current ; b) a second current sensing circuit configured to sense a second bidirectional current representative of a current through a second power switch of the power converter connected to the input voltage of the power converter , the second current sensing circuit being adapted to provide a second sensing signal indicative of the second bidirectional current ; and c) a switching circuit being adapted to provide a first measurement signal based on the first sensing signal , the second sensing signal and a polarity signal representative of a polarity of the input voltage of the power converter , characterized in that d) the first measurement signal is indicative of the first bidirectional current during a first time interval starting at a zero-crossing between a negative starting value of the first bidirectional current and a positive maximum value of the first bidirectional current and ending at switching off of the first power switch , and indicative of the second bidirectional current during a third time interval starting at a zero-crossing between a negative starting value of the second bidirectional current and a positive maximum value of the second bidirectional current and ending at switching off of the second power switch , wherein the time intervals are shorter than a complete switching cycle of the power switch . a) a first current sensing circuit configured to sense a first bidirectional current representative of a current through a first power switch of the power converter connected to an input voltage of the power converter , the first current sensing circuit being adapted to provide a first sensing signal indicative of the first bidirectional current ; b) a second current sensing circuit configured to sense a second bidirectional current representative of a current through a second power switch of the power converter connected to the input voltage of the power converter , the second current sensing circuit being adapted to provide a second sensing signal indicative of the second bidirectional current ; and c) a switching circuit being adapted to provide a first measurement signal based on the first sensing signal , the second sensing signal and a polarity signal representative of a polarity of the input voltage of the power converter , characterized in that d) the first measurement signal is indicative of the first bidirectional current during a first time interval starting at a zero-crossing between a negative starting value of the first bidirectional current and a positive maximum value of the first bidirectional current and ending at switching off of the first power switch , and indicative of the second bidirectional current during a third time interval starting at a zero-crossing between a negative starting value of the second bidirectional current and a positive maximum value of the second bidirectional current and ending at switching off of the second power switch , wherein the time intervals are shorter than a complete switching cycle of the power switch . <EOS>