Hard drive motor driver circuit

Hard disk bldc moror driving circuit can be made but low cost. But, the driver circuit for a bipolar stepper motor requires an h bridge type connection. Brushless motor driver for disk drive motors imajeenyus. With a simple transistor circuit acting as a speed control, his hard drive motor revved up to around 1560 rpm, which is pretty respectable for a bunch of junk parts.

Hard drive motor controller circuit soldering mind. Hard drive spindle motor is a brushless motor with wye wiring with 4 connectors. The motors all run pretty well the hard drive motor is around 6000rpm with a 12v supply, and the zip drive motor is around 15000rpm way too high for the original purpose. Bldc motor guide breathing new life into bldc motors. Spin up an old hard drive with a solenoid motor hackaday. Hard drive controller boards replacement is a solution to solve hard drive failures caused by pcb errors. Can i run a hard drive motor without additional drive. Do not swap circuit board on hard drive if you care about data if you ask any professional data recovery specialist about swapping circuit boards on drives the answer always will be the same.

It also includes a voice ooil motor driver, reset and park facilities and an, philips sem iconductors prelim inary specification brushless dc motor and vcm drive circuit with, brushless dc motor and. The platters are spun by a ac brushless motor, which is a good deal more involved to control then a stepper motor. Brushless dc motor driver full project with circuit. Here is a zip file with the pcb files, schematic, eagle files etc. The chinese 5v12v bldc motor driver board for hard drive motor 34 wire. May 31, 2016 running an old hard drive motor brushless dc bldc with an esc, rc electronic speed control. Buy hard drive pcb boards printed circuit boards on harddriveparts. Hard drive motor hdd motor driver running a hard drive motor easy hard drive motor hack.

Drive circuit basics for a given size of a stepper motor, a limited space is available for the windings. Examine your hard drive circuit board to see if a rom chip exists. Pcb circuit board is the power and data transmission carrier of a hard drive. Hard disk drives use brushless dc bldc motors which need special electronics to drive their coils. Unlike floppy drives, where motor commands are directly send over the ide cable, on hard disk drives, the drives controller is expected to calculate cluster position and actuate the motor. You could, of course, try build your own brushless motor driver circuit. Hard disk drives use brushless dc bldc motors which need special. Cpumain controller ic, motor control chip, cache chip, rombios chip, tvs diode, capacitance, resistance, crystal oscillator. A hard drive motor controller can be purchased online but you must know. The motor maximum speed is 4500 rpm 75 rotationsecond and the maximum power is reached during the seeki n g phase is about 6. The name of this motor is given so because the rotation of shaft is in step form which is.

Running a hard drive motor with an esc bldc hd motor. Run, how to run hard disk drive hdd motor 3 phase or 4 phase. If you want the adventure of building a controllerdriver circuit thats fine but if all you want to do is get the motor to spin id look at a cheap esc from hobbyking or. You will likely find a number starting with 25 on the chip. The driver module is powered by the 5v pin of the arduino board. Run, how to run hard disk drive hdd motor 3 phase or 4.

I think what i need is a circuit that inverts dc to 3 phase to run this, with some kind of speed controlling variable resistor. Main components on hard drive pcb circuit boards are. If you want to drive your motor at 12v, apply 12v on this pin. You could, of course, try build your own brushless motor driver circuit but that is a project and a half by itself. You can use those differents componens at their own or use the controlling electronics provided by the hard disk drive electronics. Simple stepper motor driver circuit diagram using 555 timer ic. Brushless motor driver for disk drive motors 250114. I have removed the spindle motor from a couple of hard drives. Brushless hdd motor driver from 9v and painters tape.

Best way to drive a spindle brushless motor from a hdd. Hard disk motor driver tda5144at breakout from sixty. This was insufficient for the larger hard drive motor, so i briefly shorted out the sense resistor during startup. Hello all, here i have tried to run the hard disk with ic 555 and ic 4017 and motor controller ic l293d. Hence, we use h bridge ics like l293d to drive bipolar stepper motors. They also have applications in aerospace, in biomedical and in driving cooling fans, etc. Printed circuit board failure pcb these range from spindle ic failures such as overheating and even physical burn out of components. Before going any further lets discuss more about the basics of stepper motor. These tools allow students, hobbyists, and professional engineers to design and analyze analog and digital systems before ever building a prototype. A bldc fans speed can be varied smoothly, without the usual steps associated with a normal ac fan. Hard disk motor op arduino hard drive stepper motor hdd motor drive control how to power a hard drive motor. Other drives, like mine, incorporate the rom into the controller.

You will have to run a couple of wires to ground on some hard drive to trick the pcb in keeping the motor running. You could, of course, try build your own brushless motor driver circuit but that is a. You can get information about the stepper motor and running machanism in some other article of instructible. In the process of optimizing a stepper motor drive system, an efficient utilization of the available winding space as well as a matching of driver and winding parameters are of great importance.

There is usually only one 8pin chip on a hard drive circuit board. The brushless dc motor driver circuit described here uses a drv10866 driver ic to drive a small bldc fan, without using any position sensors. Hello all, here i have tried to run the hard disk with ic 555 and ic 4017 and motor controller ic l293d the idea is simple, hard disk motor requires 3 shifted pulses to run. Failure to follow these precautions and guidelines outlined here may lead to product failure, damage and invalidation of all warranties. The cross section of a threephase two pole trapezoidal pmac motor is shown in the figure below. Run a hard drive brushless motor without driver youtube.

Drv10866 from texas instruments is another fantastic driver chip for 4wire sensorless bldc motors. This 3 phase, sensorless motor driver ic is integrated with power mosfets capable of catering drive currents up to 680ma peak. The advantage of this circuit is, it can be used to drive stepper motors having 210 steps. Running an old hard drive motor brushless dc bldc with.

These are decades old hard drives with large aluminum platers that i have been meaning to spin up for years to do some magnetic projects. The circuit diagram for the arduino stepper motor control project is shown above. Basically hard disk drive has same basic elements as the floppy disk drive. The rom is usually an 8pin chip 4pins on 2 sides marked as u12 on western digital, or u6 or u5 on hitachi. Ive seen many sensorless bldc motor drivercontroller modules and most of them are tailored especially for small applications such as cooling fan control. You can use the original pcb that comes on the hard drive to power the motor. Hard drive has its very own mother board same principle as computers. Do not swap circuit board on hard drive if you care. A hard disk drive hdd, hard disk, hard drive, or fixed disk is an electromechanical data storage device that uses magnetic storage to store and retrieve digital data using one. Technically stepper motor driver circuit is a decade binary counter circuit. Hello friends, i would like to share with you how a simple circuit can be used to run a hdd motor or any bldc motor please subscribe.

The motors all run pretty well the hard drive motor is around 6000rpm with a 12v supply, and the zip drive motor is. Hard drive stepper motor with high speed spinup circuit. Find the common, then attach the other three to the speed. The brushless dc motor drive is used in record players, the tape drive for recorders, spindle drive in hard disks for computers, and low power drives in computers peripherals instruments and control systems. Brushless hdd motor driver from 9v and painters tape hackaday. You cant hear any noise or just hear a tick sound, which means the pcb is probably faulty. Hard drives disk have highspeed lowprofile brushless motors that can be reused, called bldc. Running a hard drive motor with an rc speed controller. Unless there is a way to disable that startup sequence we need to build our own motor driver circuit. So what are the most common problems with hard drives.

In this article, i would like to share a very informative topic and circuit diagram for your salvaged hard disc drive spindle motor. The cross section of a threephase two pole trapezoidal pmac motor. This could also be the aftermath of more serious problems such as the bearings of the spindle motor that rotates the internal platters locking up. The driver board can drive hard disk brushless motors,cdrom brushless motor and so on, the micro 3wire or 4wire without hall brushless motor, its have reverse voltage protection, over current protection, phase inversion control. Under any circumstances do not try swapping the circuit board on damaged. Some hard drives have an externally mounted romnvram chip that can be removed and soldered on to a new pcb. We have used the 28byj48 stepper motor and the uln2003 driver module. For the experiment, i simply followed the typical application circuit example. Ive seen many sensorless bldc motor drivercontroller modules and most of them are tailored especially for. While it would be cool to use the pcb from the hdd to drive the motor this is unfortunately not possible since the motor just goes through a startup phase where it spins up and down a couple of times and then turns off. As illustrated in the figure, the chief component is a ne555 ic 1 and other components like a drv10866 ic 2.

To energise the four coils of the stepper motor we are using the digital pins 8,9,10 and 11. Here is a circuit that will spinup the hard drive motor at an extremely high rate of speed. Some hard drive pcbs will allow the motor to spin continually and some will stop after a certain amount of time. This means using the spinning center of the hard drive as part of the circuit, with blue painters tape in alternating patterns to create the timing.