Datasheet Summary
DMOS Full-Bridge PWM Motor Driver
Features
AND BENEFITS
- ±3 A, 50 V Output Rating
- Low rDS(on) Outputs (270 mΩ, Typical)
- Mixed, Fast, and Slow Current-Decay Modes
- Synchronous Rectification for Low Power Dissipation
- Internal UVLO and Thermal-Shutdown Circuitry
- Crossover-Current Protection
- Internal Oscillator for Digital PWM Timing
PACKAGES:
Package LB, 24-pin SOIC with internally fused pins
Package LP, 28-pin TSSOP with exposed thermal pad
Not to scale
DESCRIPTION
Designed for pulse width modulated (PWM) current control of DC motors, the A3959 is capable of output currents to ±3 A and operating voltages to 50 V. Internal fixed off-time PWM current-control timing...