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How to connect ESD?

Discussion in 'General Electronics Discussion' started by oodly, Sep 1, 2014.

  1. oodly

    oodly

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    Sep 1, 2014
    Can someone explain specifically how to provide ESD protection for this circuit? The sensor is 3 wire with +, -, and dcv out signal. Thanks in advance.
    [​IMG]
     

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  2. Arouse1973

    Arouse1973 Adam

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    Dec 18, 2013
    Hello
    What is the sensor please?
    Adam
     
  3. Arouse1973

    Arouse1973 Adam

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    Dec 18, 2013
    Why do you think it needs protecting from ESD? Is this part going to be touched by anyone?
    Adam
     
  4. oodly

    oodly

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    Sep 1, 2014
    Well, not being very familiar with this setup, I am following the diagram above. Maybe it's not critical to have it.
     
  5. Arouse1973

    Arouse1973 Adam

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    Dec 18, 2013
    Where did you get this circuit from, is it what the manufacture recommends? It's just a tilt switch right?
    Adam
     
  6. oodly

    oodly

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    Sep 1, 2014
    Yes it's just a tilt switch. The diagram is from the io device it will connect to. It's a product being tested in the market and they are the ones who recommended ESD protection
     
  7. davenn

    davenn Moderator

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    Sep 5, 2009
    The ESD protection isn't likely to be protecting the switch .... it will be most likely to be protecting the input to the MPU
    The recommendation is probably because they consider that the switch could be at a long length of cable which would make it susceptible to picking up extraneous voltages
     
  8. Arouse1973

    Arouse1973 Adam

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    Dec 18, 2013
    Yes Dave. So if the unit is buried inside an enclosure and no one will be touching it then the risk is small.
    Adam
     
  9. oodly

    oodly

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    Sep 1, 2014
    Ah, good info. Thanks all.
     
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