iMX8MMini with RTC backup

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iMX8MMini with RTC backup

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jomeke
Contributor II

In a new design I would like to use a IMX8MMini with RTC battery back up.

what is the best PMIC to use, PF8121 or PCA9450?

I think the PCA9450 doesn't have a LICELL input???

Can anybody give me a reference design ?

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jamesbone
NXP TechSupport
NXP TechSupport

Hello,

If you need to have an RTC Backup, with the LiCell, I strongly suggest to go with the PF8121. Which it is superior for this applications.

As you already mention the PCA9450 does not have Licell

Here is the Link :

PF8121 Multi-channel PMIC | NXP 

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