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TPS65023 max TRESPWRON external capacitor

Jerel Xu
Prodigy 180 points
Other Parts Discussed in Thread: TPS65023

Customer want to know what is the max extermal capacitor value and decide what is max delay time?

  • 0
    TI__Genius 17240 points

    For the TPS65023 TRESPWRON pin, there is no real limit for the capacitor, c(reset). The only concern is to make sure the capacitor leakage is less than that of the internal current source (2uA) so that it may charge to the thresholds. If you leave the pin open, you will have timing based on only the parasitic capacitance and if you put 100uF on the pin you will have a very long delay.