Part number:
A3987
Manufacturer:
Allegro MicroSystems
File Size:
1.00 MB
Description:
Dmos microstepping driver.
Datasheet Details
The A3987 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 output drive capability of 50 V and ±1.5 A.
The A3987 includes a fixed off-time current regulator, w
A3987 Features
* ▪ Low RDS(on) outputs ▪ Short-to-ground protection ▪ Shorted load protection ▪ 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 PAC
Datasheet Details
A3987
Allegro MicroSystems
1.00 MB
Dmos microstepping driver.
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