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TI Home » TI E2E Community » Support Forums » Development Tools » WEBENCH® Design Center » Power and Lighting Tools Forum » Wrong capacitor voltage selection
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Wrong capacitor voltage selection

  • darren1713
    Posted by darren1713
    on Nov 11 2008 14:21 PM
    Prodigy10 points

    Use the SwitcherPro design software to create a TPS5410 VinMin: 10.000 VinMax: 32.000 Vout: 3.300 Iout: 0.800 and C9 on the input side is automatically set to a 10V ceramic capacitor when the VinMax is set to 32V.

    The SwitcherPro design software needs to put in at least a 32V capable capacitor. If I actually built this circuit, it would crackle and burn.

    Any ideas?

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  • Heath Gallimore
    Posted by Heath Gallimore
    on Nov 12 2008 16:50 PM
    Intellectual1280 points

    This bug has been fixed in our tool but it's not pushed out to the production web site yet.  It should be updated very soon.  I agree this is a really bad bug.  It looks like the Input caps were being selected against the worst case output voltage rather than the worst case input voltage.

     

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  • Heath Gallimore
    Posted by Heath Gallimore
    on Dec 01 2008 11:55 AM
    Intellectual1280 points

    this is fixed in production now.

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