!a is the correct number. It also says to have everything else unplugged for that current. If you have something plugged in that takes over 400mA, it will have issues.The SD card current adds ot the total consumption. Bigger the card,the bigger the current.
Gerald On Thu, May 28, 2015 at 2:54 PM, rh_ <[email protected]> wrote: > > As an add on to this topic. The BBB manual I have says 5v 1 ampere input > for the power connector. > > > On Mon, 25 May 2015 15:06:50 -0700 > rh_ <[email protected]> wrote: > > > This is not really about the BBB or its design, it is about the bad > > power supplies that you may find. > > > > The power supplies with USB outputs all measured 5 volts but I did not > > measure amperes. > > > > The max DC voltage input for the BBB is 5.2 volts I think the minimum > > is ~ 4.1 volts. > > > > I have a tray of wall warts or AC/DC power supplies. I was amazed at > > the range of voltage outputs from these compared to their > > specification. > > > > I had a few sony power supplies that were very accurate and never > > exceeded the specification printed on the power supply. But other > > most no-name power supplies varied widely and in fact could be > > damaging due to over voltages. > > > > One power supply was 6V 1.6A, it put out 11.5 volts. Others were > > not as bad but most were over voltage. > > > > I had a blackberry charger that had a USB male connector and it > > was 5 volts and other USB power supplies output 5 volts. > > > > -- > > 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/d/optout. > > > > > -- > 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/d/optout. > -- Gerald [email protected] http://beagleboard.org/ -- 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/d/optout.
