KV Series 3-Phase Brushless DC Motor Control Reference Design

BRUSHLESS-DC-MOTOR-CONTROL

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The 3-phase brushless DC (BLDC) motor control reference design is based on V series MCUs and intended and provides an example for 3-phase sensorless BLDC motor control solutions. The reference design uses a six-step communication process, including closed-loop speed control and dynamic motor current limitation. The comprehensive analog integration provides a high-performance solution for BLDC motor control applications.

Block Diagram

3-Phase Brushless DC Motor

3-Phase Brushless DC Motor Control Block Diagram
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Supported Devices

Processors and Microcontrollers

KV Series Arm Cortex-M4/M0+/M7

  • KV3x: Kinetis® KV3x-100–120 MHz,  Advanced 3ph FOC / Sensorless Motor Control MCUs based on Arm® Cortex®-M4
  • KV1x: Kinetis® KV1x-75 MHz,  Entry-Level 3ph FOC / Sensorless Motor Control MCUs based on Arm® Cortex®-M0+

Features

  • Prototype quickly using the Tower® System module and high-voltage development platform for high-voltage motor control development
  • Embedded source code allows you to quickly build an industrial drive application
  • Uses special algorithms to estimate the speed and position instead of using a physical position sensor

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