AVR675: Configurable 3-Phase BLDC Fan Application Circuit Using ATtiny861A Microcontroller

Reference Design using part ATtiny861A by Microchip Technology


Microchip Technology
  • Application Category
    Motor Control
  • Product Type
    Fan Motor Control

For End Products

  • Industrial Drives


  • AVR675 Configurable 3-Phase BLDC Fan application circuit describes the implementation and use of a configurable 3-phase brushless DC (BLDC) fan using the ATtiny861A microcontroller implementing sensorless control. The complete hardware system includes a 12V 3-phase BLDC fan, a Configurable BLDC Fan board, a USB to UART bridge cable, an AC power adapter, the firmware running on the ATtiny861A and a PC based Motor Control Configuration Utility for customizing the fan for a particular application

Key Features

  • Motor Type
    DC Motor

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