Yes. It is normal when the board has been damaged. The PMIC is shutting down due to excess current on one of the rails.
Gerald On Tue, Oct 22, 2013 at 12:58 PM, Tux Leonard <[email protected]> wrote: > Hi, > > I got the same problem. When I plug in a 5V power supply one LED ligthsup and > goes off again. After that nothing happens. > When I plug in the USB cable (in addition to the 5V) the BBB starts > booting. > > Is this behavior normal? > > @Gerald Coley > What is the part number of the power supply? > unknown. It's 5V power supply from my phone. > > Is it connected to the same ground as the rest of they system? > I suppose it's done inside the BBB. Isn't it? > > When plugged in, what is the measured voltage? > +5V > > > > 2013/10/21 Gerald Coley <[email protected]> > >> What is the part number of the power supply? >> Is it connected to the same ground as the rest of they system? >> When plugged in, what is the measured voltage? >> >> Gerald >> >> >> On Mon, Oct 21, 2013 at 7:32 AM, <[email protected]> wrote: >> >>> Hello >>> >>> I'm trying to boot a new BBB with a 5V, 2A power supply... >>> >>> It boots perfectly when connecting the power supply via mini-USB cable, >>> but it won't boot when powering over the DC jack with the same power supply. >>> Any hints why that may be? Weak power supply section? >>> >>> >>> The same power supply works perfectly with Raspberry Pi and Cubieboard >>> with connected 300MB WLAN adapters. >>> >>> >>> >>> -- >>> 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]. >>> For more options, visit https://groups.google.com/groups/opt_out. >>> >> >> -- >> 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]. >> For more options, visit https://groups.google.com/groups/opt_out. >> > > -- > 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]. > For more options, visit https://groups.google.com/groups/opt_out. > -- 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]. For more options, visit https://groups.google.com/groups/opt_out.
