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On the S32K344 power consumption evaluation issue

S344.png

Can you tell me if this is an estimate of the power consumption of the two cores on by default? And after each peripheral is selected, there is an additional current required internally, what is the meaning of this, do I still need to evaluate this? The peripherals that are currently selected are the ones that need to be used at present, but the internal extra current required is not set, at this time this 162.13mA/535.03mW, the power consumption of this evaluation, is it a good reference?

回复: 关于S32K344功耗评估问题

Hi @north Avenue Older Driver Potential King

Still in the datasheet, the table lists the peripheral on status of the test

Senlent_0-1779345711312.png


回复: 关于S32K344功耗评估问题

Thanks for the reply:Hello, it's like this about 2. In that table you can find the power consumption with clock 160MHz,dual core and single core, with some peripherals not turned off. This is to say that some of the peripherals are not turned off, can you determine which peripherals are not turned off, or is the current in the case that all peripherals are turned on, I mean the S32K344 in RUN mode, open EMAC, LPI2C, QuadSPI, TempSense, eDMA, eMIOS, these peripherals, as well as the current of this current is how meaningful for reference? By the power consumption on the PET, it feels a bit on the low side, doesn't it?

Re: 关于S32K344功耗评估问题

Hi @north Avenue Older Driver Potential King

The power consumption evaluation tool is not maintained and some of the power consumption data differs from the latest datasheet.

It is recommended that you refer to the latest datasheet.

I am using: rev. 13 - 12 November 2025, most recently Rev. 14.

1. In this table you can find the power consumption with a clock of 160 MHz, dual-core and single-core, with peripherals turned off.

Senlent_0-1779264543115.png

2. In the table you can find the power consumption with a clock of 160 MHz, dual-core and single-core, with some peripherals not turned off.

Senlent_1-1779264696188.png



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