M54678FP - 2-PHASE STEPPER MOTOR DRIVER
The M54678FP is a semiconductor integrated circuit designed for stepper motor driver used to printer, PPC and facsimile.
PIN CONFIGURATION (TOP VIEW) P.GND Out1 Out1B Rs1 S1 Vm 1 2 3 4 5 6 7 36 35 34 33 32 31 30 29 28 GND 27 26 25 24 23 22 21 20 19 N.C N.C Ph2 En2 Vref2 Fref N.C Out2 Out2B Rs2 S2 V
M54678FP Features
* q Wide supply voltage range (10
* 35V) q Output current is controlled by PWM operation q Few external components (This IC can be operated with 1 capacitor and 2 resistances) q Voltage stabilizer circuit (Regout = 3.5V) q Thermal protection circuit q Flywheel diode APPLICATION Printers, PPC,
