That's a very good point. I'll need to think about that a bit more. Thanks a lot. Jayson
On Wednesday, April 2, 2014 9:07:32 PM UTC+1, Gerald wrote: > > Through the chip? Well, it needs to handle the current and have > no voltage drop or the USB could have issues..Not sure off the top of my > head how to handle 2A through and OPAMP. > > Gerald > > > On Wed, Apr 2, 2014 at 3:02 PM, Jayson Thomas > <[email protected]<javascript:> > > wrote: > >> Ah yes, I am already using a current-sensing chip - MAX4378 (which is >> very much similar to the ones you specified, i.e. it is based on op amps), >> However, I need to run the power source through the chip and then to the >> BBB. >> >> I was wondering what would be the best way to do this? Do I attach the >> two wires to a power jack connector and then plug it into the 5V input or >> is there a better way? >> >> Please do correct me if I'm wrong. >> >> Thanks, >> Jayson >> >> >> On Wednesday, April 2, 2014 8:44:46 PM UTC+1, Gerald wrote: >> >>> I would look at these type devices. All you need is I2C and something to >>> read it, like a USB to I2C device. They can give you current and voltage as >>> well. >>> >>> http://www.digikey.com/product-search/en/integrated- >>> circuits-ics/pmic-current-regulation-management/2556448 >>> >>> Gerald >>> >>> >>> On Wed, Apr 2, 2014 at 2:39 PM, Jayson Thomas <[email protected]>wrote: >>> >>>> Hi, >>>> >>>> I would like to intercept the power I feed into BBB. >>>> >>>> Example: Power Source -> Op Amp (input) >>>> Op Amp (output) -> BBB power input >>>> >>>> The Op Amp I use is part of a circuitry I am using to keep track of the >>>> voltage levels of various devices. >>>> In order to measure, the voltage/energy levels of the BBB, I need to >>>> power it via the Op Amp circuitry. >>>> >>>> Question: I have 2 wires - GND and the other for the voltage/current - >>>> coming from the Op-Amp. >>>> Does anyone know how I could interface these two wires with the BBB in >>>> order to power it? >>>> >>>> Thank you, >>>> Jayson >>>> >>>> -- >>>> 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] <javascript:>. >> 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.
