KEA128-3-Phase Sensorless BLDC Reference Design

KEA128BLDCRD

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Product Details

Block Diagram

BLDC

Six-Step Communication BLDC Motor Control Block Diagram

Supported Devices

Processors and Microcontrollers

KEA Automotive MCUs

Power Management

Pre-Drivers

Interfaces

Automotive LIN Solutions

Features

KEA128

  • MCU with low-power Arm Cortex-M0+ core
  • 8–128 KB of embedded flash
  • Excellent EMC/ESD
  • High temperature and low radiated emissions

MC33937

  • Field effect transistor (FET) pre-driver designed for three phase motor control
  • Contains three high side FET pre-drivers and three low side FET pre-drivers
  • Both 5.0 and 3.0 logic level inputs accepted

MC33903

  • Advanced power management unit for the MCU
  • Additional integrated circuits such as sensors and CAN transceivers

Functionality

  • Sensorless control using the back-EMF zero-crossing detection
  • Closed-loop speed control
  • Dynamic motor current limitation
  • DC-bus overvoltage, undervoltage, and overcurrent fault detection

Interfaces

  • LIN and CAN connectivity support

Debugging

  • OpenSDA debug interface (including USB to UART bridge)

Application

  • Application built upon the functions provided by Automotive Math and Motor Control Library Set
  • Integrated FreeMASTER run-time debugging tool for instrumentation/visualization

Buy Options

  • KEA128BLDCRD

  • KEA128 Development Board for 3-phase sensorless BLDC.

  • $315.00 USD
  • For a quantity of 1
    • Availability: Pending stock
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Design Resources

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Documentation

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2 documents

Design Files

2 design files

Software

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Note: For better experience, software downloads are recommended on desktop.

Training

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