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Product Overview

The A3959SLPTR-T is a DMOS Full-bridge PWM Motor Driver for pulse-width modulated (PWM) current control of DC motors, the A3959SLP capable of output current to ±3A and operating voltage to 50V. Internal fixed off-time PWM current-control timing circuitry can be adjusted via control inputs to operate in slow, fast and mixed current-decay modes. 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 reduce power dissipation during PWM operation. Internal circuit protection includes thermal shutdown with hysteresis, under-voltage monitoring of supply and charge pump and crossover-current protection. Special power-up sequencing is not required.
  • Low RDS (ON) outputs (270 milliohms, 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


Industrial; Motor Drive & Control
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Product Specifications, Documents & More

  • Driver Case Style: TSSOP
  • MSL: -
  • Motor Type: Full Bridge
  • No. of Outputs: 1
  • No. of Pins: 28
  • Operating Temperature Max: 85°C
  • Operating Temperature Min: -20°C
  • Output Current: 3A
  • Output Voltage: 50V
  • Packaging: Cut Tape
  • SVHC: No SVHC (15-Jun-2015)
  • Supply Voltage Max: 5.5V
  • Supply Voltage Min: 4.5V
  • Supply Voltage Range: 4.5V to 5.5V

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