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