I need the consumed current value of Microcontroller part STM32F303ZET6. I am confused after checking datasheet. Please help.

[KJ.4]

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[Tesla DeLorean]

It's a complex multi-variable ​problem depending on what you're doing, the clock speeds, and a lot about what the pins are connected too and driving.

​

S​ome of the CubeMX tools can estimate what specific peripheral combinations contribute.

[AScha.3]

right, see in "Tools" in Cube...F303 -> at 48M + 72MHz

[KJ.4]

I can see 40.71mA consumed at 72MHz.

Can I consider 40.71mA as the maximum current consumed by the IC?

[Javier1]

those are estimates as @Community member​ said,

Depends of which peripherals youre using, i always design for 150mA minimum. for my stm32F072 and stm32F105

[KJ.4]

I am using 1 SPI, 2 UART & 1 I2C.

SCLK - 307KHz.

How much current to consider for STM32F303ZET6?

[KJ.4]

If i consider IDD, then its 15.3mA( 8MHZ, Flash exe & All peripherals enabled)

If i consider IVDD, then its 160mA.

Which one to consider IVDD or IDD value?

@AScha.3​ @Javier Muñoz​ 

Please help here.

[KJ.4]

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[Javier1]

you just said your clock was 72Mhz, so the estimates are 77,4mA

[KJ.4]

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[Javier1]

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[AScha.3]

> IVDD, then its 160mA

this is destruction limit of loading the chip, ie driving many LEDs direct from pins

> IDD, then its 15.3mA( 8MHZ

this is max mA , what chip needs at 8M .

or 40.71mA consumed at 72MHz .