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TIDA-00699: capacitor placement recommendation

Jay Sun
Prodigy 60 points
Part Number: TIDA-00699

Hi,

In the reference schematic of TIDA-00699, the input capacitor is cascaded with right angle placement. May I know the reason? Thanks.

  • 0
    TI__Intellectual 1940 points

    Hello,

    Though a much older design, originally this was done as redundancy to mitigate effect of one capacitor failing short and shorting input to GND. They were placed perpendicularly (in layout as well) to cover condition where board flex in either x- and y-axes may result in one of those capacitors failing short.