Summary of HDD BRUSHLESS MOTOR DRIVER CIRCUIT ATMEGA8
Summary (under 100 words): This article describes an HDD brushless motor driver project using an ATmega8 microcontroller. The ATmega8 outputs drive MOSFETs (IRFZ44 and IR4427) arranged to power motor windings labeled A, B, C, D. Firmware is written in C for AVR; a crystal oscillator is used in the reference circuit though internal oscillator can be used for testing. The design targets long-term motor operation estimated at 30,000 cycles. Source and download links are provided.
Parts used in the HDD Brushless Motor Driver Project:
- ATmega8 microcontroller
- IR4427 (MOSFET driver)
- IRFZ44 (power MOSFET)
- Brushless HDD motor (windings labeled A, B, C, D)
- Crystal oscillator (frequency crystal)
- Power supply for motor and control circuitry
- PCB or prototyping board and interconnects
- Supporting passive components (resistors, capacitors)
- Programming interface for ATmega8
Brushless motor drive circuit used in computers hard drive with Atmega8 checked the engine ATmega 8 output MOSFET (IR4427, IRFZ44) strengthened engine with A, B, C, D, attached to either end. Software is written… Electronics Projects, HDD Brushless Motor driver Circuit Atmega8 “atmega8 projects, avr project, microcontroller projects, “
Brushless motor drive circuit used in computers hard drive with Atmega8 checked the engine ATmega 8 output MOSFET (IR4427, IRFZ44) strengthened engine with A, B, C, D, attached to either end. Software is written in C language compiler used in CV AVR application circuits for frequency crystal oscillator is used but instead of the internal crystal oscillator recommend testing for long-term operation of the motor is estimated that 30,000 of cycles.
Source: http://avrlab.com/ alternative link: hdd-brushless-motor-driver-circuit-atmega8.rar
- What microcontroller is used in the project?
The ATmega8 microcontroller is used. - Which MOSFETs are used to drive the motor?
IR4427 and IRFZ44 are used for driving the motor. - How are the motor windings labeled?
The motor windings are labeled A, B, C, D attached to either end. - In what language is the software written?
The software is written in C for AVR microcontrollers. - Is a crystal oscillator required?
The reference circuit uses a crystal oscillator, though the internal oscillator is mentioned for testing. - What is the expected long-term operation cycle estimate?
The motor long-term operation is estimated at 30,000 cycles. - Where can the project source be found?
Source and download links are provided at avrlab.com and an alternative RAR link. - Does the project use an AVR C compiler?
Yes, the project uses a C language compiler for AVR (CV AVR is mentioned).
