It´s safe use 5.25V 2A on Arduino UNO?

Projects General Guidance
1

Hello, I can use a power supply to 5.25V 2A, directly to the power connector of my Arduino UNO?
This is the first I buy and do not want to be the first I that burned. :fearful:

Thanks to all! :stuck_out_tongue_closed_eyes:

Diego H

2

2A isn't a factor
that's just the MOST the supply can provide

my worry is that 5.25 volts is too low for the on-board regulator
and too high to power the chip directly

3

The chip is good with 5.25V DC directly. The data sheets has 5.5V all thru Section 29.
Make sure it's DC, put a meter on and measure if there's much AC ripple. If you're seeing more than 0.25V of AC, don't use it.

If its good, connect to +5V and Gnd. Install a 1N4001 diode from +5 (anode) to Vin (cathode) so the regulator is not reverse driven.

4

I see it's complicated :astonished: , in this case, that voltage and current are ideal? Considering that I am going to connect, servos, sensors, or things like that.

Thanks mmcp42 and CrossRoads. :slight_smile: