MCT8315A - Texas Instruments

MCT8315A FET BLDC Driver

The MCT8315A provides a single-chip, codefree sensorless trapezoidal solution for customers requiring high speed operation (up to 3 kHz electrical) or very fast start-up time (< 50 ms) for 12- to 24-V brushless-DC motors requiring up to 4-A peak current. The MCT8315A integrates three ½-bridges with 40V absolute maximum capability and a low RDS(ON) of 240 mΩ.

Features

• Three-phase BLDC motor driver with integrated sensorless motor control algorithm
  – Code-free high speed Trapezoidal Control
  – Supports up to 3 kHz (electrical frequency)
  – Very fast start-up time (< 50 ms)
  – Fast Deceleration (< 150 ms)
  – Supports 120° or 150° modulation to improve acoustic performance
  – Windmilling support through forward resynchronization and reverse drive
  – Analog, PWM, freq. or I2C based speed input
  – Active Demagnetization to reduce power losses
  – Configurable motor start-up and stop options
  – Closed speed/power loop options
  – Anti-voltage surge (AVS) protection prevent.