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MPS MP653x

MPS MP653x 5V to 55V, Brushless DC Motor Pre-Driver with Buck Regulator

The MP6535/4 is a gate driver IC designed for 3-phase brushless DC motor driver applications. It is capable of driving 3 half bridges consisting of 6 N-channel Power MOSFETs up to 55V. It includes a 500mA buck regulator to generate local power for a microcontroller or other circuitry,

The MP6535 uses bootstrap capacitor to generate a supply voltage of high-side MOSFET driver, and an internal trickle charge circuit maintains sufficient gate driver voltage at 100% duty cycle. Internal safety features include programmable over-current protection, adjustable dead time protection, UVLO and thermal shutdown.

The device has three Hall-sensor inputs. Commutation logic is determined by three Hall-element inputs spaced at 120°. The PWM, DIR, and nBRAKE inputs are used to control motor speed, position, and torque. The MP6535 is available in a 40-contact 5mmx5mm QFN with an exposed thermal pad.

Features

  • Wide 5V to 55V Input Voltage Range
  • Hall Sensor Inputs
  • 500mA buck regulator
  • Low Power Sleep Mode for Battery-powered Applications
  • Programmable Over-current Protection of External MOSFETs
  • Adjustable Dead Time Protection to Prevent Shoot Through
  • Thermal Shutdown and UVLO Protection
  • Fault Indication Output
  • Thermally Enhanced Surface-Mount Package

Applications

  • Copier / Laser Printer
  • Cordless Power Tools
  • Large Fans
  • Pumps
  • Drones
  • Medical (CPAP, Ventilators)
  • Robotics
  • Automotive

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