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MCT8315A - FET BLDC Driver

General Description

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.

Key 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.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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MCT8315A SLLSFP7A – DECEMBER 2022 – REVISED APRIL 2023 MCT8315A High Speed Sensorless Trapezoidal Control Integrated FET BLDC Driver 1 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 prevents DC bus voltage spike during motor deceleration • 4.