I connected pin1 to GND and pin5 for VDD_CAPE As pins 5 and 6 are connected on the PCB I did not see it necessary to connect power to both pins.
have you successfully self powered one of these boards? On Thursday, 2 July 2020 19:23:24 UTC+1, [email protected] wrote: > > Do you use pins 5&6 (VDD_CAPE_5V) to power the board? > > On Thursday, July 2, 2020 at 7:51:08 PM UTC+2, [email protected] wrote: >> >> When i removed D81 power was present on VDD_5V but only at about 4.5V >> which is I guess the voltage drop across D82. >> >> there was no voltage on VDD_3V3 and the device would not startup - even >> after pressing the power on button. >> >> Has anyone solved this? >> >> On Wednesday, 1 July 2020 21:58:00 UTC+1, Adrian Hatton wrote: >>> >>> I have found D81 from the silk screen data. Will be removing and trying >>> as a next step. >>> >>> [image: ASSET_BOT.PNG] >>> >>> >>> On Wednesday, 1 July 2020 21:42:12 UTC+1, Adrian Hatton wrote: >>>> >>>> Hi Geza, >>>> >>>> I was wondering if you made any progress here? >>>> >>>> I took a look at the schematics myself and I agree that by removing D81 >>>> you essentially disconnect VDD_TYPE C from VDD_5V. >>>> >>>> If you then apply 5v power to VDD_CAPE_5V it connects to VDD_5V through >>>> D82 and should power the device. >>>> >>>> I assume you would then boot the device by connecting PWR_BUT or P9.9 >>>> to GND. >>>> >>>> Have you tried this? Have you been able to locate D81 on the board? I >>>> have downloaded the board.pdf but it is extremely difficult to find >>>> specific components. >>>> >>>> Many thanks. >>>> >>>> >>>> On Saturday, 6 June 2020 09:41:45 UTC+1, Geza Kuhmann wrote: >>>>> >>>>> Hi All, >>>>> >>>>> I'd like to make my BBAI so it could only be powered from the J9.5/6 >>>>> pins, but *not* from the USB-C connector. >>>>> On the other hand, the USB-C connector should stay functional as pure >>>>> USB connection (using the BBAI as a USB gadget). >>>>> >>>>> Reading the schematic it seems to me that removing diode D81 would >>>>> exactly do this, but not being a hardware expert, I would be glad if >>>>> somebody could confirm this. >>>>> >>>>> Thanks, >>>>> >>>>> Geza >>>>> >>>> -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/4aeedf8a-eab9-4aa3-91a2-0da9e81eb9eco%40googlegroups.com.
