KEA128-3-Phase Sensorless BLDC Reference Design

KEA128BLDCRD

Roll over image to zoom in

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

Single and Multi-Channel LIN Transceivers

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

Documentation

Quick reference to our documentation types.

2 documents

Design Resources

Select a section:

Design Files

1 design file

Software

1-5 of 9 software files

Show All

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

Training

1 trainings

Support

What do you need help with?