Author Topic: Motor Controller Board  (Read 2238 times)

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Offline airman00Topic starter

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Motor Controller Board
« on: January 15, 2009, 03:04:54 PM »
I accidentally burned up my Dual serial motor controller and need a new one. Just thinking if anyone could suggest something similar and approximately the same price.

http://www.pololu.com/catalog/product/120
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Offline frodo

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Re: Motor Controller Board
« Reply #1 on: January 15, 2009, 03:08:00 PM »
hi, the link doesn't work and how did you fry it?
does it look like this?
« Last Edit: January 15, 2009, 03:09:59 PM by frodo »
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paulstreats

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Re: Motor Controller Board
« Reply #2 on: January 15, 2009, 04:20:05 PM »
The board looks like a standard footprint that ive seen before.

You can just buy new mosfets (the 8 pin ic's) and resolder them.

If i remember the mosfets are easier to replace than they look, their outputs are paralelled so some of the pins are joined through the circuit board. I think the top 3 pins on the right are usually sharing the same solder pad so the fineish solder pitch isnt really that difficult (check it out first though, try and trace the circuit a bit.)

Also ive seen people piggyback an extra layer of mosfets onto the originals to prevent burning out better (a heat sink would also be beneficial)

Offline airman00Topic starter

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Re: Motor Controller Board
« Reply #3 on: January 15, 2009, 04:32:04 PM »
I didn't burn out the MOSFETs... I burned out the chip   :'(
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Offline Razor Concepts

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Re: Motor Controller Board
« Reply #4 on: January 15, 2009, 04:37:51 PM »
Says the guy who owns a hot air rework station  ;D ;D

Offline airman00Topic starter

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Re: Motor Controller Board
« Reply #5 on: January 15, 2009, 04:55:57 PM »
Says the guy who owns a hot air rework station  ;D ;D
lol
yea I guess I could replace the chip.....I've soldered the FT232 , so I think I have the skills necessary to replace it. :P
Check out the Roboduino, Arduino-compatible board!


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Offline reSpawn

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Re: Motor Controller Board
« Reply #6 on: January 16, 2009, 06:10:05 AM »
take a look at my L298 Motor driver thread, maybe you'll want to make one :)

 


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