A3983 DMOS Microstepping Driver with Translator
Features and Benefits
▪ Low RDS(ON) outputs ▪ Automatic current decay mode detection/selection ▪ Mixed and Slow current decay modes ▪ Synchronous rectification for low power dissipation ▪ Internal UVLO and thermal shutdown circuitry ▪ Crossover-current protection
Package: 24-pin TSSOP with exposed thermal pad (suffix LP)
Not to scale
Description
The A3983 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 eighth-step modes, with an output drive capacity of up to 35 V and ±2 A.
The A3983 includes a fixed off-time current
regulator...