A3984

www.DataSheet4U.com A3984 DMOS Microstepping Driver with Translator Package LP CP1 CP2 VCP VREG MS1 MS2 RESET ROSC SLEEP 1 24 GND 2 3 23 ENABLE 22 OUT2B 21 VBB2 20 SENSE2 4 5 6 7 19 OUT2A 18 OUT1A 17 SENSE1 16 VBB1 15 OUT1B 14 DIR 13 GND 8 9 VDD 10 STEP 11 REF 12 Approximate Scale 1:1 ABSOLUTE MAXIMUM RATINGS Load Supply Voltage,VBB ...................................35 V Output Current, IOUT ......................................... ±2 A* Logic Input Voltage, VIN ..................... –0.3 V to 7 V Sense Voltage, VSENSE .......................................0.5 V Reference Voltage, VREF ……….......................... 4 V Operating Temperature Range Ambient, TA ................................. –20°C to 85°C Junction Temperature, TJ(MAX)..................... 150°C Storage Temperature, TS .................... –55°C to 150°C The A3984 is a complete microstepping motor driver with built-in translator for easy operation. It is designed to operate bipolar stepper motors in full-, half-, quarter-, and sixteenth-step modes, with an output drive capacity of up to 35 V and ±2 A. The A3984 includes a fixed offtime current regulator which has the ability to operate in Slow or Mixed decay modes. The translator is the key to the easy implementation of the A3984. Simply inputting one pulse on the STEP input drives the motor one microstep. There are no phase sequence tables, high frequency control lines, or complex interfaces to program. The A3984 interface is an ideal fit for...