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Low power on stm32l073

Question asked by Aurélien f on Oct 12, 2017
Latest reply on Oct 30, 2017 by Aurélien f

Hello,

 

I'm facing an issue regarding low power on stm32l073. On my nucleo board NUCLEO-L073, when i go in stop mode, my consumption is around 1 and 3uA, so all seem to be ok. Then, we decided to make our own board (cf. attached file), with the same code, i consume around 30uA and i really don't know why ??? The only difference is the package, on our own design, we are using a stm32l073 LQFP48 (48pin) whereas on the nucleo this is a 64 pins. As i'm not an expert in electronic, i don't know how to investigate this issue.

If you have idea about the possible issue, or if i'm doing something wrong don't hesitate to share.

 

Thank you in advance,

 

Best regards,

 

Aurélien

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