DESCRIPTION
The M54677FP is a semiconductor IC to drive a bipolar stepper motor directly by controlling the coil current with the constant current method.

FEATURES
● Wide output current control range (20 – 1000mA)
● Bipolar and constant current
● Built in a thermal shutdown circuit
● Built in flywheel diodes

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