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The typical current consumption for normal mode is 33mA and it goes down to 29mA when it is in flash mode. However, this current consumption is not always stable when we use a USB-hub device. Sometimes, the current doesn’t come back to 33mA even though device is in normal mode.
This issue never happens when we use “USB-C to USB” converter instead of using USB-hub. Based on this, we think USB-hub may not be able to drive enough power for our target device operation.