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Forum Will this BMS design work?
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Related

Will this BMS design work?

yanagibashi
yanagibashi over 6 years ago

I have been working on this design for the past month or so but i am unsure if it will work, so I am wondering if anyone can point out any mistakes I made in the design.

I based my design on the Analog Devices DC2259A

EDIT: added design and link

 

Message was edited by: Mason Rollins

Attachments:
imageSlave Rev10c.pdf
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Top Replies

  • Jan Cumps
    Jan Cumps over 6 years ago in reply to fmilburn +3
    This is the corrected link: https://www.analog.com/en/design-center/evaluation-hardware-and-software/evaluation-boards-kits/dc2259a.html#
  • michaelkellett
    michaelkellett over 6 years ago +3
    It's not possible to review a design of this complexity without putting in serious effort - you might get lucky and find some one who has done a similar thing before and will review your design for free…
  • fmilburn
    fmilburn over 6 years ago +1
    Unfortunately your design schematic did not get attached. In addition you should post the origin / basis for your design, the design objectives, and more detail on what your concerns are.
Parents
  • michaelkellett
    michaelkellett over 6 years ago

    It's not possible to review a design of this complexity without putting in serious effort - you might get lucky and find some one who has done a similar thing before and will review your design for free but it's not very likely.

     

    I've looked at these parts but never actually used them so I can't offer any detailed critique.

     

    I would suggest that it is staggeringly ambitious to go for a 12 cell design at first bang image  if you have not used these parts before. If it were my project I'd kick off with a 3 cell design - that way you get a top, bottom and middle cell but only 1/4 the complexity and grief.

     

    So you get to find that you need an extra diode on each cell (or whatever turns out to be wrong) with a lot less pain and cost.

     

    If you are working in a business context there may be people urging you to do it quickly - so they will freak out at the prospect of a prototype, but if this is a commercial project there are serious safety issues in making this kind of thing, and it will take time to get it right.

     

     

    It would be nice if you gave more context (this is a common problem), if we knew what you were doing and why it would make it much easier to help.

     

    MK

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  • yanagibashi
    yanagibashi over 6 years ago in reply to michaelkellett

    this is gonna be my internship project but I'm paying for it out of my own pocket so I quite literally cannot afford more than maybe 1 prototype, and I'll be using three of thee to act as a BMS for a EV I converted from gas myself.

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  • michaelkellett
    michaelkellett over 6 years ago in reply to yanagibashi

    In that case I suggest you write a report as nice as you can with pictures and ask the people at Linear technology/Analog Devices to review your design and pcb layout.

     

    They have some good people and if you butter them up and ask nicely can do you a lot of good. Might even give you some parts.

     

    MK

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  • michaelkellett
    michaelkellett over 6 years ago in reply to yanagibashi

    In that case I suggest you write a report as nice as you can with pictures and ask the people at Linear technology/Analog Devices to review your design and pcb layout.

     

    They have some good people and if you butter them up and ask nicely can do you a lot of good. Might even give you some parts.

     

    MK

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