Datasheet Summary
MITSUBISHI <CONTROL / DRIVER IC>
2-PHASE STEPPER MOTOR DRIVER
DESCRIPTION
The M54646AP is a semiconductor IC to drive bipolar stepper motors by controlling winding current with reference to a designated current level.
PIN CONFIGURATION (TOP VIEW)
Features q Wide driver voltage range (10
- 40V) q Wide output current control range (20
- 800mA) q Bipolar and constant current control q Built-in flywheel diode q Built-in thermal protection circuit parator input (1) C1 → parator reference VR1 → voltage input (1) Output stage VMM1 supply voltage (1) Output terminal (1) MA1 ← Current sensor (1)
1 2 3 4
28 ← C2 27 ← VR2 parator input (2) parator reference voltage input...