STM32L496QGI3 Vbat pin connection

WAkba.1 · ‎2024-04-09

Hi,

Can the VBAT pin on this part be left floating? I currently have the pin disconnected. Or should it be tied to VDD or GND in order for the part to function properly?

Thanks,

SofLit · ‎2024-04-09

Hello,

Vbat pin must be connected to VDD even if VBAT block (RTC.. etc ) is not used.

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SofLit · ‎2024-04-09

Hello,

Vbat pin must be connected to VDD even if VBAT block (RTC.. etc ) is not used.

From RM0351:

To give better visibility on the answered topics, please click on "Accept as Solution" on the reply which solved your issue or answered your question.
PS:
1 - This is NOT an online support (https://ols.st.com) but a collaborative space.
2 - Please be polite in your reply. Otherwise, it will be reported as inappropriate and you will be permanently blacklisted from my help.