M54677FP driver equivalent, 2-phase stepper motor driver.
q Wide output current control range (20
– 1000mA) q Bipolar and constant current q Built in a thermal shutdown circuit q Built in flywheel diodes
VM11 MA.
The M54677FP is a semiconductor IC to drive a bipolar stepper motor directly by controlling the coil current with the constant current method.
PIN CONFIGURATION (TOP VIEW)
St1 C1 Vref1 1 2 3 4 5 6 7 36 35 34 33 32 31 30 St2 C2 Vref2 VM21 MA2 E2
FEA.
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