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paker earth
paker earth
Associate II
March 9, 2017
Question

What's the correct power consumption on STM32F413

  • March 9, 2017
  • 1 reply
  • 619 views
Posted on March 09, 2017 at 15:50

Hi all:

The document says the power consumption is 112 uA / MHz.

But the power supply has offered 56mA current.

I measure the  IDD pin, the result is only 16 mA.

Is the consumption due to  ST-Link part ?

If yes, could I cut off the ST-Link part?

Thank you in advance. 

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    1 reply

    S.Ma
    S.Ma
    Principal
    March 9, 2017
    Posted on March 09, 2017 at 16:07

    The datasheet contains multiple power consumption scenario. Find the entry which is closest to your situation (supply, MHz, peripheral on or off, etc..) What is on a datasheet is guaranteed and more specific. (let's say second order of precision). I haven't looked at the schematic to understand where the current is going after the jumper... check it out.

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