STM32L433CCT6 Datasheet DS11449 Rev 6 (page 21) - Concerning power up/power down phases in hardware design

[STehA.1]

Hi, can someone refer to the above MCU reference. This is my first time using the STM32 MCU chip on my embedded system. My question regarding the power up/down phases concerning specifically on STM32L433CCT6 IC ... Is it a must and critical to use some kind of power sequencing/power management IC to perform the function ? My board consists just serial and CAN ports, relays, digital input circuits and few external memory ICs. - Any specific power management IC suitable for the job? - Thank you in advance

[Peter BENSCH · Accepted solution]

Except for the STM32MPx family, no other member needs power sequencing or a power management IC, so it can be connected directly to a supply voltage. In the simplest case, even a battery is sufficient for this, as long as its voltage does not exceed the maximum value of 3.6V.

Does it answer your question?

Regards

/Peter

[Piranha]

Read the AN4555 and also look at the schematics of ST boards.

[STehA.1]

Yes Peter, thank you for the clarification =)

[STehA.1]

Many thanks. I hope you are not really scary as your nickname. Thank you again.