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50V Full-Bridge PWM Gate Drivers with Integrated Current Control and Protection

A89505, A89506

Allegro MicroSystems ES LP 20 Package

The A89505/6 gate drivers provide a robust and efficient solution for DC motor control and relay replacement in automotive and industrial applications. Integrated current control, synchronous rectification, and protection features simplify design and improve system reliability. The A89506 provides additional flexibility with decay mode selection for external PWM control.

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Top Features

Packaging

  • 4.5 V to 50 V operating voltage
  • Programmable PWM current limit without the need for external sense resistor
  • Programmable gate drive limits slew rate for EMI reduction
  • Analog output of the load current for microprocessor feedback
  • Overcurrent flag output to detect stall conditions
  • Full protection against short circuit events with fault flag

20-pin 4 mm x 4 mm QFN (suffix ES)

ES Packaging Documentation

 

20-Pin eTSSOP with Exposed Thermal Pad (suffix LP)

LP Packaging Documentation

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Part Number Specifications and Availability

Documentation and Resources

Documentation

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Enhancing Robotic Design