I'm using the PocketBeagle in one of my projects and have noticed 5 times out of maybe 100 that the CPU runs very hot, enough to burn my fingers. Running the TOP command, I see nothing using more that 1% CPU usage. When I cycle the power, the temperature returns to normal. I'm concerned that it might be dangerously hot.
You do want to look at the PocketBeagle FAQI which shows the proper way to wire up a USB -- https://github.com/beagleboard/pocketbeagle/wiki/FAQ#How_do_I_get_additional_USB_connections. I find the names to be somewhat confusing, and you do want to be careful if you are wiring up an additional USB and supplying power as P1.7 is directly connected to the power pin on the built in micro USB connector. If you are going with a standard USB then you look to look up whether ID should be grounded or tied to 5V depending upon whether you want to be a host or device. Your schematic is definitely wrong with the ground on the USB.
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I'm using the PocketBeagle in one of my projects and have noticed 5 times out of maybe 100 that the CPU runs very hot, enough to burn my fingers. Running the TOP command, I see nothing using more that 1% CPU usage. When I cycle the power, the temperature returns to normal. I'm concerned that it might be dangerously hot.