AVR441: Intelligent BLDC Fan Controller with Temperature Sensor and Serial Interface

Reference Design using part ATTINY25 by Microchip Technology

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Manufacturer

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

For End Products

  • Industrial Drives

Description

  • AVR441 Intelligent BLDC Fan Controller with Temperature Sensor and Serial Interface. This application describes how to integrate a low-cost, feature-rich AVR microcontroller into the commutator electronics of a BLDC fan. The ATtiny25 used in this application is a low-cost, low-power, 8-bit microcontroller based on the AVR enhanced RISC architecture. It contains 2KB Flash program memory, 128 bytes of EEPROM memory and 128 bytes of SRAM

Key Features

  • Motor Type
    DC Motor

Featured Parts (36)

Featured Parts
Part Number Manufacturer Type Description
ATTINY25-15ST Microchip Technology Microcontrollers - MCUs MCU 8-bit AVR RISC 2KB Flash 3.3V/5V Automotive 8-Pin SOIC T/R Buy
ATTINY25-15SZ Microchip Technology Microcontrollers - MCUs MCU 8-bit AVR RISC 2KB Flash 3.3V/5V Automotive 8-Pin SOIC T/R Buy
ATTINY25-20SU-T Microchip Technology Microcontrollers - MCUs MCU 8-bit AVR RISC 2KB Flash 3.3V/5V 8-Pin SOIC EIAJ T/R Buy
ATTINY25V-10MFR Microchip Technology Microcontrollers - MCUs MCU 8-bit AVR RISC 2KB Flash 2.5V/3.3V/5V 20-Pin WQFN EP T/R Buy
ATTINY25-15MZ Microchip Technology Microcontrollers - MCUs MCU 8-bit AVR RISC 2KB Flash 3.3V/5V 20-Pin QFN EP T/R Automotive AEC-Q100 Buy
ATTINY25-15ST1 Microchip Technology Microcontrollers - MCUs MCU 8-bit AVR RISC 2KB Flash 3.3V/5V Automotive 8-Pin SOIC T/R Buy
ATTINY25V-10MUR Microchip Technology Microcontrollers - MCUs MCU 8-bit AVR RISC 2KB Flash 2.5V/3.3V/5V 20-Pin WQFN EP T/R Buy
ATTINY25-20MUR Microchip Technology Microcontrollers - MCUs MCU 8-bit AVR RISC 2KB Flash 3.3V/5V 20-Pin WQFN EP T/R Buy
ATTINY25-20SSN Microchip Technology Microcontrollers - MCUs MCU 8-bit AVR RISC 2KB Flash 3.3V/5V 8-Pin SOIC Tube Buy
ATTINY25-20MF Microchip Technology Microcontrollers - MCUs MCU 8-bit AVR RISC 2KB Flash 3.3V/5V 20-Pin MLF EP Tray Buy
ATTINY25-20MFR Microchip Technology Microcontrollers - MCUs MCU 8-bit AVR RISC 2KB Flash 3.3V/5V 20-Pin MLF EP T/R Buy
ATTINY25V-10SSU Microchip Technology Microcontrollers - MCUs MCU 8-bit AVR RISC 2KB Flash 2.5V/3.3V/5V 8-Pin SOIC Tube Buy
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