Power consumption of my HW
good morning,
I am actually working on my STM32G431KB, I will use the power consumption tool of STM32cube once my code is complete but I would like to know if for now my calculations are correct.
I want to use my board to power up 11 different sensor which resistance will go from 500 to 5000 ohm throught the arduino ports, so their total current consumption should not exeed 400 mA. first, i would like to know if the best way to charge the board to get as much power possible is to power it with a 7Vdc, that would then let 800 mA to pass throught the board which would mean the most power possible:
I checked the current consumption of the chip on the datasheet and I got this:
i want to use the board in a range of 2 MHz so i use :
0,4 mA for it
then, the board will only use the 11 ADC and the FDCAN as a normal CAN (at 1MHz):
0,0080*2 = 0,0016mA
0,006*2 = 0,0012mA
I did not find any information on the main functions that I will use (the HAL libary to control the DMA and the CAN) so I do not know how much to add more, but whith those little values of current, I think then that it is enough for me to note that I do not need any other power supply to power up my sensors, am I right? Thank you