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TPS53689: DVID slow down fail

betsy tsai
Prodigy 10 points
Part Number: TPS53689

for intel spreadsheet validation, we found that DVID slow down for 1V to 0.95V, the output voltage have spike before dropping down.

How to improve it?

  • 0
    TI__Expert 8960 points

    Hi Betsy,

    This supply looks marginally stable based on the ringing following a transient. Here's an E2E post that can explain the tuning parameters to help you tune your board.
    https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1109418/tps536c7-loop-compensation-parameters-to-improve-phase-margin-in-fusion_digital_power_designer\

    Thanks,

    Travis