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Problem with TPS40054 design

JayKubicky
Prodigy 20 points
Other Parts Discussed in Thread: TPS40054

I'm working on a buck converter using the TPS40054.  It's generating a R_ILIM resistor (connected to pin 16) of 0-ohm, which looks like it would cause the converter to be permanently stuck in current-limit.  The current limit threshold on the Analysis tab is listed at 1.8A, and based on this I calculate a value of around 6.1K.  Is this a bug in SwitcherPro?

 

  • TI__Intellectual 1280 points

    this is definitly a bug in switcherPro,  when in doubt always fall back on the datasheet.  We'll add this to the bug list and get it taken care of asap.

  • TI__Intellectual 2710 points

    This issue is fixed. We released a new version v3.1 today. Please check it to see the fix for the issue you ahve reported. 

    Thanks,

    Hetal Joshi

    Senior Developer and Project Manager

    Analog eLab Design Center

    HPA Design Tools

    Texas Instruments, Inc.

     

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