3967

Data Sheet 26184.24F 3967 MICROSTEPPING DRIVER WITH TRANSLATOR REF 1 RC2 2 ÷8 PWM TIMER 24 PFD 23 RC1 SLEEP 3 22 RESET OUT2B 4 LOAD SUPPLY2 5 VBB2 GND 6 21 OUT1B LOAD VBB1 20 SUPPLY1 19 GND GND 7 18 GND SENSE2 8 17 SENSE1 OUT2A 9 16 OUT1A STEP 10 DIR 11 MS1 12 TRANSLATOR 15 ENABLE & CONTROL LOGIC VCC 14 LOGIC SUPPLY 13 MS2 Dwg. PP-075-2 ABSOLUTE MAXIMUM RATINGS at TA = +25°C Load Supply Voltage, VBB ............. 30 V Output Current, IOUT Continuous ..................... ±750 mA* Peak ................................. ±850 mA Logic Supply Voltage, VCC ........... 7.0 V Logic Input Voltage Range, VIN (tw >30 ns) ............. -0.3 V to +7.0 V (tw <30 ns) ................ -1 V to +7.0 V Sense Voltage, VSENSE ............... 0.68 V Reference Voltage, VREF ................ VCC Package Power Dissipation, PD ................................. See page 8 Operating Temperature Range, TA ........................... -20°C to +85°C Junction Temperature, TJ ......... +150°C Storage Temperature Range, TS ......................... -55°C to +150°C * Output current rating may be limited by duty cycle, ambient temperature, and heat sinking. Under any set of conditions, do not exceed the specified current rating or a junction temperature of 150°C. The A3967SLB is a complete microstepping motor driver with built-in translator. It is designed to operate bipolar stepper motors in full-, half-, quarter-, and eighth-step modes, with output drive capability of 30 V and ±...