A3983 DMOS Microstepping Driver
The A3983 is a complete microstepping motor driver with a built-in translator designed for easy operation with bipolar stepper motors. It supports full-, half-, quarter-, and eighth-step modes with an output drive capacity of up to 35 V and 2 A. The device features automatic current decay mode detection (Slow or Mixed) to reduce audible noise and improve step accuracy.
| Load Supply Voltage Range | 8 - 35 V |
|---|---|
| Logic Supply Voltage Range | 3.0 - 5.5 V |
| Thermal Shutdown Temperature | 165 C |
| Package Type | 24-pin TSSOP |
The A3983 supports full-, half-, quarter-, and eighth-step modes.
The resolution is set by the combined state of the MS1 and MS2 inputs.
The device has an output drive capacity of up to 2 A.