The power management IC, TPS65217C. Gerald
On Fri, Nov 14, 2014 at 8:15 AM, Bremenpl <[email protected]> wrote: > What is the exact circuit that requires a fast ramp? > > W dniu 2014-11-14 o 14:48, evilwulfie pisze: > > As Gerald has said before, check the ramp up of the power supply. > Some of the lab supplys have slow ramp ups. > Yes they are very stable and VERY good regulation but > the BBB design requires a fast ramp up supply. > > > > On 11/14/2014 3:03 AM, bremenpl wrote: > > Hello there, > I have a very strange problem with powering up BeagleBone Black (rev > C).... When i try to power it up from some cheap AC adapter it works fine, > but when I connect to to my labolatory power supply the power LED on board > is lid for a second and then doesnt power up the MCU and turns off intead. > I have connected both supplys to osciloscope and they are both stable, the > laboratory one even more. Why is the power controller on the BeagleBone > Black refusing to power up the MCU when powered from lab supply? I have no > idea what is this about. I would aprichiate any help. > -- > 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 a topic in the > Google Groups "BeagleBoard" group. > To unsubscribe from this topic, visit > https://groups.google.com/d/topic/beagleboard/xRPC_39ju9Y/unsubscribe. > To unsubscribe from this group and all its topics, send an email to > [email protected]. > For more options, visit https://groups.google.com/d/optout. > > > -- > Bremenpl > > -- > 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/ http://circuitco.com/support/ -- 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.
