Looking at the A1 schematic Connect external 5V, + to P9.5 and P9.6 and - to P.9.1 and P9.2. Diodes protect from connecting both cape and USB type C at the same time.
P9.1 P9.2 GND P9.3 P9.4 VDD_3V3 output to Cape P9.5 P9.6 VDD_CAPE_5V input to BBAI P9.7 P9.8 VDD_5V output to Cape There is a diode from VDD_CAPE_5V to VDD_5V There is a MOSFET over-voltage breaker from TypeC_VBUS to VDD_TYPE C; and diode from VDD_TYPE C to VDD_5V On Wednesday, 26 August 2020 at 18:57:46 UTC+1 hel...@deepsoft.com wrote: > At Wed, 26 Aug 2020 01:36:02 -0700 (PDT) beagl...@googlegroups.com wrote: > > > > > Hello, > > > > With BeagleBone AI... > > is it possible to use external power supply instead of powering from USB? > > > > I would want to use it for a mobile application (Battery or LiPo). USB > > should be connected just for debug or update purposes. > > > > 1. If it possible at all to use external power supply? There is no > > connector on the board > > I have not looked at the BeagleBone AI, but I presume it has GPIO headers, > like the BeagleBoneBlack and the PocketBeagle. On both the BeagleBoneBlack > and > PocketBeagle, there is a 5V supply pin -- P9-7 and P9-8 on the > BeagleBoneBlack > and P1-1 on the PocketBeagle, which can be connected to a 5V supply. > > > 2. If possible, is it possible to use USB, while external power supply > is > > connected? Or would this cause a damage? > > Should be fine. If it is like the BeagleBoneBlack or PocketBeagle the USB > power and header Vin pins go to seperate pins on the power management > chip, > which takes care of selecting power sources, depending on what is > available. > > > > > Thanks > > Richard > > > > -- > Robert Heller -- Cell: 413-658-7953 <(413)%20658-7953> GV: 978-633-5364 > <(978)%20633-5364> > Deepwoods Software -- Custom Software Services > http://www.deepsoft.com/ -- Linux Administration Services > hel...@deepsoft.com -- Webhosting Services > > -- 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 beagleboard+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/732023b8-bd7d-421b-bd17-5220271da417n%40googlegroups.com.
