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STM32L073VBT6 COST 100mA,Help

Question asked by ren yong on Mar 14, 2018
Latest reply on Mar 15, 2018 by ren yong

My product with stm32l073vbt6 ran 1 week or longger,the mcu was broken.

 

All io and peripheral on broken mcu can run as normal,But the power consumption up to 100mA not 100uA!

 

I have removed all other part but mcu and supply 3.3V my own,the state  not change!

 

How can a mcu cost 100mA without any other chip when all function ok?

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