DESCRIPTION
The M54646AP is a semiconductor IC to drive bipolar stepper motors by controlling winding current with reference to a designated current level.

FEATURES
● Wide driver voltage range (10 – 40V)
● Wide output current control range (20 – 800mA)
● Bipolar and constant current control
● Built-in flywheel diode
● Built-in thermal protection circuit

APPLICATION
    Office automation equipment such as printers, FDDs, HDDs and facsimiles