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BLDC motor driver

Discussion in 'Datasheets, Manuals and Component Identification' started by Rixen, Apr 14, 2017.

  1. Rixen

    Rixen

    98
    23
    Feb 16, 2016
    Hi everyone,

    I recently got a hold of some brushless motor drivers, im wondering if they are compatible with another motor I could have from a friend.

    These IC's were discarded at work and so I snatched a box of them:

    Allegro A4931: http://www.farnell.com/datasheets/1792985.pdf

    This is the motor, three phased, sensored. He pretty much said I could have it, but I dont want to just take something if it's incompatible anyway.

    https://hobbyking.com/en_us/turnigy-xk3650-3050kv-brushless-inrunner-sensored.html

    I haven't done too much with this type of motor yet, I know there are many types of them too, so seems good to ask. It's a good opportunity to learn more, while having some fun doing it..

    Can anyone confirm or deny it? :)

    Best Regards
     
  2. Minder

    Minder

    2,871
    594
    Apr 24, 2015
    Those RC motors do not have Hall commutation sensors on them.
    M.
     
  3. Rixen

    Rixen

    98
    23
    Feb 16, 2016
    Well, the one I linked is sensored somehow..

    If not with hall sensors, what type is it?
     
  4. Minder

    Minder

    2,871
    594
    Apr 24, 2015
    Must be internal as only 3 connections.
    M.
     
  5. Rixen

    Rixen

    98
    23
    Feb 16, 2016
    It's got the three phase pins and a six pin connector at the back of it.
     
  6. Bluejets

    Bluejets

    3,517
    713
    Oct 5, 2014
    In my experience I have found one cannot even buy the parts for the price of the finished, tested, guaranteed , delivered item. Much less the headaches that go with the build when things don't work the way they are supposed to.
     
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