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STM32F4 vs STM32L4 on USB audio power consumption?

Question asked by winix on Jul 26, 2016
Latest reply on Jul 28, 2016 by FTITI.Walid
We are currently using the USB audio with the STM32F4, which works well. However, the power consumption of 40mA is something that we want to improve.  Would change to STM32L4 help the situation?  Our use is just using USB audio to I2S (SAI the same?) and virtual COM only.