2-phase stepper motor driver.
q Wide output current control range (20
– 1200mA) q Bipolar and constant current q Built in a thermal shutdown circuit
Comparator VR1 3 reference input(1.
The M54671SP 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)
Standby input(1) Comparator input(1) St1 1 C1 2
32 St2 31 C2 30 VR2
Standby.
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