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MAX3232E: MAX3232EIPWRQ1 -OUTPUT IS JUNK CHARACTER AFTER DIPPING IN DIP COATING/ NANO COATING

DEEPAK chandran
Prodigy 40 points
Part Number: MAX3232E

Tool/software:

MAX3232EIPWRQ1 IS USED FOR DIAC  APPLICATION ON A COMPLEX COMMUNICATION BOARD , HAS A UNIQUE ISSUE WHERE ONLY THIS IC OUT OF 30 IC ON THE BOARD FAILS OR OUTPUT IS JUNK CHARACTER AFTER DIPPING IN DIP COATING NANO COATING SOULTION  PROMOSOLV UT10 2% USED FOR PROTECTION  SIMILAR TO CONFORMAL COATING .

PRODUCT WORKS FINE BEFOR COATING BUT AFTER COATING IT FAILS 

ON REPLACING THE IC WITH ANOTHER NEW IC WITHOUT COATING ,  THE BOARD WORKS FINE (SWAP TEST)

INPUT/ OUTPUT FOR THE DIAC IS CONFIGURED THRU USB 

ANY SUCH REPORTING OR KNOWLEDGE WHY THIS HAPPENS.

  • 0
    TI__Guru 72221 points

    Deepak,

    Based on the summary of what you're seeing it seems like the coating is causing some sort of damage to the device. I personally don't have any expertise on why the solution/coating would damage the device. You may need to look at using some other coating solution.

    -Bobby