Motor Hall Sensor

Stator Hall Sensor processor

The Hall Sensors is common used in BLDC motors and as low cost alternative to incremental encoder and resolver, the hall sensors can be used to evaluate the motor electric angle.

The low resolution of digital information (60 degrees or angle +/- 30) is compensate by high speed linear interpolation and digital filter.

A s/w programmable look up table (LUT) is used to set the angles corresponding to commutation.

The LUT let correct hall sensors positioning errors inside windings.

The IP is capable to process double set of hall sensors for double windings motors (6 phases motors). In case of 6 sensors the resolution increase.