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TPS25830A-Q1: Vbus start up

Part Number: TPS25830A-Q1

Hi, support team,

I have a question on the waveform at Vbus start up.

I observe a slight variation in the Vbus slope in the red circle in the figure below.

I would like to know the cause of this.

I suspect that when Vbus exceeds around 2V, the GM amplifier for current limit starts to operate, which is the effect of slightly fluctuating VCOMP.

Thanks,