This reference design is a typical connection for MC34937APEK to a 3-phase brushless DC motor. The supply of a motor is a DC source, which has been controlled by the MOSFETs. The MOSFETs function as ...

If a 3-phase motor rotates in the wrong ... You connect the three load (or motor) leads to the motor terminals, then spin the shaft counterclockwise. If the meter tells you the connection is incorrect ...