The basics of window operation include opening and closing, and for the basis of this design, the position and movement of the window needs to be known. The Regulator Requirements table shows some parameters for window travel distance and open and close time taken from a popular car model. These requirements are used to develop the example demonstrated in this document.

Section 4 shows how these parameters ultimately affect the choice of the magnet and Hall-sensors that are used to monitor the motor. System space constraints, materials, and mechanical torque also are important factors, but they are not considered in this application note.