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How water resistant is HDC1000?

kyt
Expert 2355 points
Other Parts Discussed in Thread: HDC1000

Hi,

We try to implemnet HDC1000 to healthcare momdule of watch type.

It need IPX5/IPX7 Specification.

 


In addition, It is difficult to solder HDC1000 to our board as D/S describe.

9.3 Do's and Don'ts
9.3.1 Soldering

http://www.ti.com/lit/ds/symlink/hdc1000.pdf

Does any one has recommendation to mout HDC device with water proof?

best regards,

kyt

  • 0
    TI__Intellectual 1960 points

     

    Dear Kyt

    Let me make some comment on the water proof requirements:

    1. To sense the environment the humidity sensor has to put in contact with the environment, so it's not possible to completely sealed the sensor inside the watch (otherwise the sensor sense the inside the watch humidity only).

    2. HDC1000 can be put in contact with the water but:

    a) Humidity output saturate to 100%RH

    b) if the pins/balls are shorted the HDC1000 stop to work

    c) After that the HDC1000 is drained it works normally again, but long exposure at high humidity can imply an increase in the accuracy error.

    Regarding the difficulties to solder the HDC1000 could you please be more specific? HDC1000 can be soldered as a standard surface mounted device

    Best Regards

    Massimo