Full-Bridge DMOS PWM Motor Driver with Integrated Protection

A4950

Allegro LJ SOIC with exposed pad 8-pin package

The A4950 provides efficient and reliable PWM control of DC motors, with peak output currents up to ±3.5 A and integrated protection features for robust performance. Available in automotive and commercial grades.

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Top Features

Packaging

  • Low RDS(on) outputs
  • Overcurrent protection (OCP)
    • Motor short protection
    • Motor lead short to ground protection
    • Motor lead short to battery protection
  • Low Power Standby mode
  • Adjustable PWM current limit
  • Synchronous rectification
  • Internal undervoltage lockout (UVLO)
  • Crossover-current protection
  • A4950K is AEC-Q100 Grade 1 qualified
  • Commercial temperature grade (A4950E: -40°C to 85°C )
  • Automotive temperature grade (A4950K: -40°C to 125°C)

The A4950 is provided in a low-profile 8-pin SOICN package with exposed thermal pad (suffix LJ) that is lead (Pb) free, with 100% matte tin leadframe plating.

Part Number Specifications and Availability

Documentation and Resources

Documentation

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