Replace the resistor with a wire and just short it to ground. Gerald
On Monday, November 17, 2014, Bremenpl <[email protected]> wrote: > I have tested the board again and heres what I have come to: > - Using meanwell 5V ac adapter works when the 10k resistor is NOT soldered > to battery header. If theres resistor soldered, but there is no battery > attached it stops working and the power led blinks all the time. It really > seems that the power controller is trying to switch to the battery that is > not there. After placing the battery everything works correct. I only home > it wont get discharged to fast when the board is off. > > W dniu 2014-11-14 o 16:58, Gerald Coley pisze: > > And mine. > > Gerald > > On Fri, Nov 14, 2014 at 9:50 AM, Bremenpl <[email protected] > <javascript:_e(%7B%7D,'cvml','[email protected]');>> wrote: > >> Ill get it tested, thank you. If this worked it would solve my problem. >> >> Dnia 14 listopada 2014 16:41:30 Gerald Coley <[email protected] >> <javascript:_e(%7B%7D,'cvml','[email protected]');>> napisał(a): >> >>> The output voltage level is different. When the DC is contented it is >>> supposed to go to the DC input and go into charge mode for the battery. >>> Measure the output voltage of the PMIC. If it is 5V, then it is DC in. If >>> it is 3.7V +/- then it is running on the battery. >>> >>> Gerald >>> >>> >>> On Fri, Nov 14, 2014 at 9:37 AM, Bremenpl <[email protected] >>> <javascript:_e(%7B%7D,'cvml','[email protected]');>> wrote: >>> >>>> How can I know either it switched without taking the battery out? >>>> >>>> Dnia 14 listopada 2014 16:35:42 Gerald Coley <[email protected] >>>> <javascript:_e(%7B%7D,'cvml','[email protected]');>> napisał(a): >>>> >>>>> Another test here would be to connect the battery and see if after it >>>>> switches to the battery if it switches back to the DC input. >>>>> >>>>> Gerald >>>>> >>>>> >>>>> On Fri, Nov 14, 2014 at 9:31 AM, Bremenpl <[email protected] >>>>> <javascript:_e(%7B%7D,'cvml','[email protected]');>> wrote: >>>>> >>>>>> I understand, thank you for the info. I will make more attempts at >>>>>> monday with another bbb board. For now I have a 10k resistor on the TS >>>>>> pin >>>>>> because I intend to use the battery to. If the voltage is measured on the >>>>>> resistor ill swap it to lower value one. I hope ill get it working using >>>>>> meanwell power supply. >>>>>> >>>>>> Dnia 14 listopada 2014 16:16:30 Gerald Coley <[email protected] >>>>>> <javascript:_e(%7B%7D,'cvml','[email protected]');>> napisał(a): >>>>>> >>>>>>> Not likely. As I said we need more boards that fail and the power >>>>>>> supply that is used with them. What I have seen is that it tries to >>>>>>> switch >>>>>>> to the battery, that is not there, for whatever reason. Theory is it >>>>>>> sees a >>>>>>> voltage drop due to the inrush limit on certain power supplies. I have >>>>>>> fixed this on a few boards by connecting the TS signal hard to ground >>>>>>> using >>>>>>> the battery pins on the board. >>>>>>> >>>>>>> What I see when the board "does not power up" is the PMIC cycling >>>>>>> on and off. You can look at the 5V output rail of the PMIC for this >>>>>>> condition. >>>>>>> >>>>>>> Gerald >>>>>>> >>>>>>> >>>>>>> On Fri, Nov 14, 2014 at 9:03 AM, Bremenpl <[email protected] >>>>>>> <javascript:_e(%7B%7D,'cvml','[email protected]');>> wrote: >>>>>>> >>>>>>>> I dont agree here, and this is the weird part. A cheap 5V wall >>>>>>>> plug adapter works great and a certified meanwell supply does not. Can >>>>>>>> it >>>>>>>> be a case related to linear/ switching power supply? >>>>>>>> >>>>>>>> Dnia 14 listopada 2014 16:01:26 Gerald Coley < >>>>>>>> [email protected] >>>>>>>> <javascript:_e(%7B%7D,'cvml','[email protected]');>> >>>>>>>> napisał(a): >>>>>>>> >>>>>>>>> We are working on one if we can collect enough information to >>>>>>>>> confirm the issue. it appears to be a power supply issue that creates >>>>>>>>> a >>>>>>>>> condition that the TPS65217C does not like. If you use a good power >>>>>>>>> supply, >>>>>>>>> the issue is not there. >>>>>>>>> >>>>>>>>> >>>>>>>>> Gerald >>>>>>>>> >>>>>>>>> >>>>>>>>> On Fri, Nov 14, 2014 at 8:31 AM, Bremenpl <[email protected] >>>>>>>>> <javascript:_e(%7B%7D,'cvml','[email protected]');>> wrote: >>>>>>>>> >>>>>>>>>> Is there a workaround for this? I thought that pre charged >>>>>>>>>> capacitors could help but in my application power to the BeagleBone >>>>>>>>>> Black >>>>>>>>>> is aplied in the same time as to the rest of the circuit. >>>>>>>>>> >>>>>>>>>> W dniu 2014-11-14 o 15:19, Gerald Coley pisze: >>>>>>>>>> >>>>>>>>>> The power management IC, TPS65217C. >>>>>>>>>> >>>>>>>>>> Gerald >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> On Fri, Nov 14, 2014 at 8:15 AM, Bremenpl <[email protected] >>>>>>>>>> <javascript:_e(%7B%7D,'cvml','[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] >>>>>>>>>>> <javascript:_e(%7B%7D,'cvml','beagleboard%[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] >>>>>>>>>>> <javascript:_e(%7B%7D,'cvml','beagleboard%[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] >>>>>>>>>>> <javascript:_e(%7B%7D,'cvml','beagleboard%[email protected]');> >>>>>>>>>>> . >>>>>>>>>>> For more options, visit https://groups.google.com/d/optout. >>>>>>>>>>> >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> -- >>>>>>>>>> Gerald >>>>>>>>>> >>>>>>>>>> [email protected] >>>>>>>>>> <javascript:_e(%7B%7D,'cvml','[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 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] >>>>>>>>>> <javascript:_e(%7B%7D,'cvml','beagleboard%[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] >>>>>>>>>> <javascript:_e(%7B%7D,'cvml','beagleboard%[email protected]');> >>>>>>>>>> . >>>>>>>>>> For more options, visit https://groups.google.com/d/optout. >>>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> -- >>>>>>>>> Gerald >>>>>>>>> >>>>>>>>> [email protected] >>>>>>>>> <javascript:_e(%7B%7D,'cvml','[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 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] >>>>>>>>> <javascript:_e(%7B%7D,'cvml','beagleboard%[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] >>>>>>>> <javascript:_e(%7B%7D,'cvml','beagleboard%[email protected]');> >>>>>>>> . >>>>>>>> For more options, visit https://groups.google.com/d/optout. >>>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> -- >>>>>>> Gerald >>>>>>> >>>>>>> [email protected] >>>>>>> <javascript:_e(%7B%7D,'cvml','[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 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] >>>>>>> <javascript:_e(%7B%7D,'cvml','beagleboard%[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] >>>>>> <javascript:_e(%7B%7D,'cvml','beagleboard%[email protected]');> >>>>>> . >>>>>> For more options, visit https://groups.google.com/d/optout. >>>>>> >>>>> >>>>> >>>>> >>>>> -- >>>>> Gerald >>>>> >>>>> [email protected] >>>>> <javascript:_e(%7B%7D,'cvml','[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 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] >>>>> <javascript:_e(%7B%7D,'cvml','beagleboard%[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] >>>> <javascript:_e(%7B%7D,'cvml','beagleboard%[email protected]');> >>>> . >>>> For more options, visit https://groups.google.com/d/optout. >>>> >>> >>> >>> >>> -- >>> Gerald >>> >>> [email protected] >>> <javascript:_e(%7B%7D,'cvml','[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 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] >>> <javascript:_e(%7B%7D,'cvml','beagleboard%[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] >> <javascript:_e(%7B%7D,'cvml','beagleboard%[email protected]');> >> . >> For more options, visit https://groups.google.com/d/optout. >> > > > > -- > Gerald > > [email protected] > <javascript:_e(%7B%7D,'cvml','[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 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] > <javascript:_e(%7B%7D,'cvml','beagleboard%[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] > <javascript:_e(%7B%7D,'cvml','beagleboard%[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.
