## How to get Maximum Supply Currents

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## How to get Maximum Supply Currents

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Senior Contributor II

Hi all

As for the "Table 14. Maximum Supply Currents" in IMX6SXCEC.

It's not mentioned about how to get a value.

I found a calculation formula for i.MX6Q from following thread in i.MX community.

About max supply current in i.MX6Q.

The formula is as follow.

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General equation for estimated, maximum power consumption of an IO power supply:

Imax = N x C x V x (0.5 x F)

Where:

N—Number of IO pins supplied by the power line

C—Equivalent external capacitive load

V—IO voltage

(0.5 xF)—Data change rate. Up to 0.5 of the clock rate (F)

In this equation, Imax is in Amps, C in Farads, V in Volts, and F in Hertz.

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Is the formula appropriate to i.MX6SoloX ?

Ko-hey

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• ### Linux

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NXP TechSupport

Hi Ko-hey

you are right: this formula is applicable to i.MX6SX too.

Best regards

igor

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2 Replies
151 Views
NXP TechSupport

Hi Ko-hey

you are right: this formula is applicable to i.MX6SX too.

Best regards

igor

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Note: If this post answers your question, please click the Correct Answer button. Thank you!

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150 Views
Senior Contributor II

Hi Igor

Thank you for quick reply.

I understand.

Ko-hey