Description
The M54670P is a semiconductor IC to drive a bipolar stepper motor directly by controlling the coil current with the constant current method.

Features
•  Wide operating voltage range (10 –35V)
•  Wide output current control range (20 –800mA)
•  Bipolar and constant current drive
•  Built in flywheel
•  Current level can be changed by steps or continuously.
•  Built in a thermal shutdown circuit

Application
Office automation equipment such as printer, FDD, HDD, and FAX