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I am going to use INA220 ic for current monitoring, and the datasheet says:

Use a 0.1-μF ceramic capacitor for power-supply bypassing, placed as closely as possible to the supply and ground pins.

So the question is can i use the capacitor since i am pulling current from 3v3 pin of rpi to use this ic, is it safe for long term?

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Yes it is perfectly safe - this is recommended practice. Virtually all external devices (including HATs) will have similar capacitors.

It will have no detectable impact on the Pi.

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