KEA128-3-Phase Sensorless BLDC

Engineered for motor control using a six-step commutation process

Overview

KEA128BLDC reference design

Specifications

Six-Step Communication BLDC Motor Control Block Diagram

Technical and Functional Specifications

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

  • KEA128BLDCRD   Development

  • KEA128 Development Board for 3-phase sensorless BLDC
    • KEA128BLDCRD
    • 1 @ US
    • $299.00
    • Buy Direct
    • Distributor
1579109330588723448640

Design Resources

Get Started

BLDC Motor Control Reference Design using KEA128

Step-by-step instructions help you start and control the application using FreeMASTER

Get Help

Training and Events

DEC03

This webinar shows how to use MathWorks’ new Motor Control Blockset together with Embedded Coder® to generate C code for motor control algorithms.