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STMicroelectronics
Forum QFN, MEMS Chips, & Breakout boards
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  • st products
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Related

QFN, MEMS Chips, & Breakout boards

Former Member
Former Member over 13 years ago

Hi folks,

 

I'm interested in prototyping with some the MEMS accelerometers however they come in the LGA form-factor.  I have no experience with this type of packaging and I'm hoping someone can point me in the direction of where to find some cheap breakout boards. 

 

I think I'm missing something basic as I can't seem to easily find board to quickly mount one of these chips and use it in a solder-less breadboard.  Maybe I'm just getting to old for good old hands-on experimentation.

 

I ultimately want to hook this chip up to an lpcexporesso micro-controller for reading the sensed data.

 

Thoughts?

 

Take Care
Jason

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  • Former Member
    Former Member over 13 years ago

    I havent seen any breakout boards for ST's mems chips but DangerousPrototypes has an open source breakout board for Freescale's MMA7455L that you can buy fully asembled for $15

    http://dangerousprototypes.com/docs/MMA7455L_breakout_board

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  • Former Member
    Former Member over 13 years ago in reply to Former Member

    Thank you for the reference.

     

    In general can someone tell me how this issue dealt with?  I'm sure the professionals in the industry will have a need to build a prototype prior to fabing a million of the proposed product.  Is the standard way of building prototypes these days to have a board fabricated?  I may be dating myself now but when I was in school we used breadboards to piece things together.

     

    Am I really a dinasaur now? image

     

    Jason

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  • Former Member
    Former Member over 13 years ago in reply to Former Member

    Thank you for the reference.

     

    In general can someone tell me how this issue dealt with?  I'm sure the professionals in the industry will have a need to build a prototype prior to fabing a million of the proposed product.  Is the standard way of building prototypes these days to have a board fabricated?  I may be dating myself now but when I was in school we used breadboards to piece things together.

     

    Am I really a dinasaur now? image

     

    Jason

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  • Former Member
    Former Member over 13 years ago in reply to Former Member

    Hello... Just a follow up.  I did find a set of protoboards offered by the MEM manufactuer.  They were a tad expensive ~$50 - $80.  So looks like dangerousprototypes looks like the ticket!

     

    Thanks Zeta!!

     

    Jason

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