Hard drive spindle motor driver

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. Hi dave and fellow eevblog fans, yesterday i took a hard disk apart and i the quality of the materials, the motor, the speed, etc, just left me with a feeling that me and other people could do realy cool stuff out of it. This is when the platters are unable to spin up, and the drive is inaccessible. This is especially possible in the case of external hard drives. The process of data recovery from hard drives with jammed motors is usually done by transplanting the platters into another hard drive with a motor thats working, and then transplanting the heads and electronics. All of the 10 or so drives that i have stop spinning after 2 or 3 sec. 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 or more rigid rapidly rotating platters coated with magnetic material. 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.

The spindle rests on a series of ball bearings that contain lubricant. Howto walz a hard drive spindle motor tutorials robotshop. I removed the controller board from the drive and systematically masked off with masking tape the 20 pins or so between the controller and the internals of the hard drive. It is my lack of knowledge regarding electricity such as the difference between volts and ohms. Accordingly, these motors must offer superior performance in terms of rotational speed and low nonrepeatable run out nrro. Due to the driveunique calibrations stored on the control boards rom chip, the original control board must also be swapped over to the original drive. Voltage range is from 20vdc to 50vdc the controller can drive the dldc motor with hall or without hall external potentiometer controlexternal voltage control. In this projet i reuse a bldc motor that i retrieved from an old hdd, the seagate st31722a. They occur when the spindle that rotates the hard disk platters becomes seized, often due to the drive receiving a knock. The top supplying country or region is china, which supply 100% of spindle drive respectively. Just because your hard drive is clicking doesnt always mean it has a major mechanical problem with it. Find hard drive spindle motor voltage related suppliers, manufacturers, products and specifications on globalspec a trusted source of hard drive spindle motor voltage information. Our lineup of stspin motor drivers embeds all the functions needed to drive motors efficiently and with the highest accuracy, and include an advanced motion profile generator to relieve the host microcontroller, while ensuring robustness and reliability thanks to.

I was wondering if i would be able to run this motor off of a pc molex connector. A wide variety of spindle drive options are available to you, there are 18,997 spindle drive suppliers, mainly located in asia. Pwm transconductance loop acoustic noise how does a motor driver create it. I have a hard drive spindle motor that i have taken off of my old 10 gb hard drive.

A motor controller for an electric motor having a plurality of motor terminals is connected to a power supply and comprises a commutation control, a current sensor, a peak target circuit, a pulse width control and a reverse current control. You can use the original pcb that comes on the hard drive to power the motor. A common physical failure within certain hard drives is platter seizing. The donor drive must be as close of a match as possible. Because one program i had downloaded and installed had a scanner that scans your. Its also possible to use the driver chips from the original hard disk pcb to get an idea of the sort of chips used, this site has a listing of various driver chips with links to datasheets, but they are usually much more complicated since they often combine both the spindle motor driver and the voice coil driver readwrite head into one package. The precision of these motors determine the capacity and speed of hdds, making these components critical to hdd performance. Youre in luck, i worked on hard drive spindle motor engineering for 5 years. A clicking hard drive is not always as bad as it sounds. Hdd spindle motor driver for mac gotta vote for westfw. How to run an hdd spindle motor quietly and efficiently. In yesteryear, while i was doing a science fair project that exploited a hard disc drive spindle motor, i came across dozens of hard disc drive spindle motors in my junk box and eventually settled on a pretty cool one i lifted earlier from a samsung 3. You would need a controller to produce the proper waveforms the hobbyists call it an esc. Can hard drive stepper motor can be used for making drones.

On the other hand, the motors of the hard disks called spindle motors must be able to generate enough torque so the magnetic platters could rotate at the desired speed. So a proposed driver circuit might be composed of 4 halfbridges see hd drive. 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. Hard drive stepper motor with high speed spinup circuit. Hard drive disassembly is easy and rewarding hackaday. Us6917172b2 hard drive spindle motor controller with. Howto walz a hard drive spindle motor lets make robots. Hard disk drive is a compact mechatronic component and there is no lot available space for placing its motor. The advantage of not being spindle driven is that a lot of players have age weakened drive. Then i closed the drive and began to troubleshoot an electrical problem. Getting hold of a suitable controllerdriver electronics for your salvaged hard discoptical disc drive spindle motor is not easy because you may need to consider. How to run an hdd spindle motor quietly and efficiently bert white corporate fellow silicon systems.

Lot of 10 nidec 185743mx10 hard drive spindle motors robotics, craft, hobby. The 32h6910 implementation of pwm sinusoidal drive. The platters are paired with magnetic heads, usually arranged on a moving actuator arm, which read and write data to the platter surfaces. It spins when i substitute a pc board from another wd1600jb drive, but it does not read back any of the recorded data. Magideal dc 12v brushless motor controller driver board for hard drive motor. Best way to drive a spindle brushless motor from a hdd on. Hard drives work by spinning platters full of magnetized data while a. Find the common, then attach the other three to the speed. The title is not accurate as this is not a stepper motor but infact a spindle motorbrushl. Using hdd motor as generator electronics forum circuits. Can i run a hard drive motor without additional drive. However, youre not in luck, because driving that motor isnt going to be as easy as you hoped.

Most hard drives these days do not use stepping motors too slow to position the heads they use voice coils. You could make your own driver circuit based off the schematics shown there. A wide variety of spindle drive options are available to you. There are a number of possible causes for this type of failure. Basically hard disk drive has same basic elements as the floppy disk drive.

Hdd motor drive control how to power a hard drive motor hdd spindle motor. China spindle drive, china spindle drive manufacturers and. The two main drive types where we see spindle motor problems are in external hard drives and laptop hard drives. Hackaday alum jeremy cook shows how easy it is to disassemble a hard drive to scavenge its goodies. On inspection, i saw a crater in the epoxy of the motor driver chip. You will have to run a couple of wires to ground on some hard drive to trick the pcb in keeping the motor running. Get the best deals on hard drive motor when you shop the largest online selection at. You can use those differents componens at their own or use the controlling electronics provided by the hard disk drive electronics. A typical spin up of the spindle motor is from zero rpm to 15,000 rpm in about 5 seconds. Im trying to make a clock out of old hard drive spindle motor it has 4 wires red white black green. The commutation control is connected to the motor terminals for causing current pulses to flow through selected terminals during each. Ebscohost serves thousands of libraries with premium essays, articles and other content including air bearing spindle motor for hard disk drives. I am making prototype windmill and am using a hard disk drive motor as my generator. Hard drives disk have highspeed lowprofile brushless motors that can be reused, called bldc.

The motor maximum speed is 4500 rpm 75 rotationsecond and the maximum power is reached during the seeki n g phase is. Hard drive spindle motor controller with soft commutation. Hard drives work by spinning platters full of magnetized data while a readwrite head very quickly harvests or changes bits as needed. Spindle motor failure seized platters acs data recovery. I briefly opened the drive just to ensure the spindle motor wasnt jammed. The spindle motor in a hdd is a bldc brushless dc motor that runs at 5k15k rpm so it could conceivably be used to drive blades on something like a quadracopter. The hard drive platters spin on spindles at revolution speeds of anywhere from 5,400 12,000 rpm. Hdd spindle motor circuit datasheet, cross reference. Recovering data from hard drives with seized spindle motors. Sometimes it can be a much easier, but still complicated fix.

Hdd spindle motor hard drive spindle recovery seagate barracuda gillware file hard drive spindle motor bottom jpg wikimedia commons hard disk and drive physical components. If the drive cannot detect the data it needs to in order to calibrate, it will usually spin down after a few tries. To replace a spindle motor, our engineers take the platters out of the drive and carefully set them into a donor hard drive. Work at the companys central laboratories includes study of machine processes and mechanical design to enhance. Run a hard drive brushless motor without driver youtube. There is a small round bulge in the chassis on the underside of the hard drive, which is fitted around by the pcb. Hard disk is a compact mechatronic component and there is no lot available space for placing its motor. When a computer is first started, the hard drive spindle motor is typically spun up from a stopped condition by a motor controller circuit using classic six state commutation, with peak current limiting and a relatively high motor current. Best way to drive a spindle brushless motor from a hdd eevblog. Do you have to have a controller mechanism of some sort or what. The hardest part is having the patience and the tools.

Brushless hdd motor driver from 9v and painters tape hackaday. Hdd motor driver running a hard drive motor easy hard drive motor hack. Running a hard drive motor with an rc speed controller. Hard disk drive hdd spindle motors are what cause the disks in hdds to rotate. This is where the motor that spins the platters is located. Here is a circuit that will spinup the hard drive motor at an extremely high rate of speed. Take the wires you extended and plug them back into the hard drive control board. Hard drive spindle motor is a brushless motor with wye wiring with 4 connectors. To meet the power handling capability required for a high.

Some hard drive pcbs will allow the motor to spin continually and some will stop after a certain amount of time. Motor driver controller, ws55220 dc motor driver 20 to 50 vdc 20000rpm 500w cnc brushless spindle bldc module for electric power tools ws55220 is a high performance,costeffective 3 phase bldc motor controller. Best way to drive a spindle brushless motor from a hdd. Brushless hdd motor driver from 9v and painters tape. Brushless motor driver for disk drive motors imajeenyus. I came across several spindle motors in my scrap box in the attic theyre out of hard drives, floppy drives etc. Seized spindle hard drive faults are a relatively new type of hard disk failure. You could in theory use the fg output to do closedloop control of the motor speed using a separate microcontroller. Anyway, what i thought would be really simple like driving the main motor, turned out to be more complex that i thought. Simple best life hack run a 12v stepper motor without a driver duration. I am hoping that swapping motor driver chips will bring it back. On the other hand, the motors of the hard disks called. The impact of hitting the ground can cause the spindle to break, and you will end up with the same symptoms as a stuck spindle.