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A3950 Description

Designed for PWM (pulse-width modulated) control of DC motors, the A3950 is capable of peak output currents to ±2.8 A and operating voltages to 36 V. PHASE and ENABLE input terminals are provided for use in controlling the speed and direction of a DC motor with externally applied PWM control signals. Internal synchronous rectification control circuitry is provided to lower power dissipation during PWM operation.

A3950 Key Features

  • Low RDS(on) outputs
  • Overcurrent protection
  • Motor lead short-to-supply protection
  • Short-to-ground protection
  • Sleep function
  • Synchronous rectification
  • Diagnostic output
  • Internal undervoltage lockout (UVLO)
  • Crossover-current protection