DMOS Dual Full-Bridge PWM Motor Driver with Overcurrent Protection

A4986

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The A4986 offers efficient and reliable control of stepper motors with its dual full-bridge design, parallel input communication, and integrated overcurrent protection.

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Top Features

Packaging

  • Low RDS(ON) outputs
  • Internal mixed current decay mode
  • Synchronous rectification for low power dissipation
  • Internal UVLO
  • Crossover-current protection
  • 3.3 and 5 V compatible logic supply
  • Thin profile QFN and TSSOP packages
  • Thermal shutdown circuitry
  • Short-to-ground protection
  • Shorted load protection
  • Low current Sleep mode, <10 µA

The A4986 is supplied in a 24-contact QFN package (ES), and a 24-pin TSSOP package (LP) with an overall package height of ≤1.2 mm. Both packages have exposed pads for enhanced thermal dissipation, and are lead (Pb) free (suffix –T), with 100% matte tin plated leadframes.

Part Number Specifications and Availability