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Original question:

TPIC6B595: TPIC6B595, TPIC6B596

TPIC6B595: 2022 Design Change

Lukas Zeitler
Prodigy 40 points
Part Number: TPIC6B595


Tool/software:

Hi TI-Team,

Bob and Hailee mentioned a design change by TI in 2022 here. Unfortunately, I can't find any information on that. We're currently facing a similar problem like he did 4 months ago. A product of ours, currently 15+ years on the market, starts showing unusual behavior and I was wondering whether this could be linked to any product changes?

Best regards,

Lukas

  • 0
    TI__Genius 10320 points

    Hi Lukas,

    What do you mean "unusual behavior"? Please provide more details. is it related to the different samples? Thanks!

  • 0 in reply to Hailee Xu
    Prodigy 40 points

    Hi Hailee,

    I'm using several shift registers in series to drive an array of relays directly at the shift registers outputs. Without any layout, firmware or parts changed we observe some false-switching under specific conditions since a couple of years now. This hasn't been the case before. Since the board is very simple and consists of very few parts only, I just want to rule out that any changes have been made on any of the parts before investigating further. So could you please provide me with a change note regarding the design change in 2022?

    Best regards,

    Lukas

  • 0 in reply to Lukas Zeitler
    TI__Genius 10320 points

    Hi Lukas,

    Please contact your local field team first for this change note. The E2E forum is primarily for answering technical questions. Thank you for your understanding.