A3955
A3955 is FULL-BRIDGE PWM MICROSTEPPING MOTOR DRIVER manufactured by Allegro MicroSystems.
A3955 Full-Bridge PWM Microstepping Motor Driver
Features and Benefits
- ±1.5 A continuous output current
- 50 V output voltage rating
- Internal PWM current control
- 3-bit nonlinear DAC
- Fast, mixed fast/slow, and slow current-decay modes
- Internal transient-suppression diodes
- Internal thermal shutdown circuitry
- Crossover-current and UVLO protection
Packages:
Package B, 16-pin DIP with exposed tabs
Package LB, 16-pin SOIC with internally fused pins
Not to scale
Description
The A3955 is designed to drive one winding of a bipolar stepper motor in a microstepping mode. The outputs are rated for continuous output currents to ±1.5 A and operating voltages to 50V. Internal pulse...
