
o0JoeCool0o
Hi all I am trying to run a Motherboard processsor hard drive with my battery.
I have 2 4200Mah 4S battery packs wired in parrallel.
I built my own power supply using 2 LM4712 Votlage regulators w/ heat sinks.
I am poweringthe EZB from the 12volt power supply as well as the motherboard.
I am using a PICO PSU 160 (200watt) The motherboard is rated for 200watts as well.
My problem is the board powers up and then as soon as windows starts to boot from the drive it shuts off. I tried putting a fan on the regs because I thought that might be the issue but it didnt work. Shuts off at the same place.
Using a volt meter I can see the 12 volts fluctuates as it is booting and goes from 11.89V to about 11.6 when it shuts off. Would that matter?
I then thought maybe the Pico psu is being over taxed as the mobo takes 200watts. So I re wired the hard drive sata connector to directly to the EZB for 5v and my powerbar for 12v to the hard drive directly. But same problem happened again.
I am pretty new to working with hardware on this scale. But the power bar I made appears to be working. I am at a loss of what to try next...
Please help!
would wiring the batteries in series instead of parallel fix the issue?
if it is the battery that is the prob?
My setup...
Try just one battery see if that works for now.
Read this
and the hobby shop that sold me the lipo packs say that it is safe to parallel them together.
These packs are both identical $130.00 4200mah packs bought with a week of each other. So I don't think the parallel is the problem. I have also found parallel adapters to balance charge both of them at the same time using my x1 charger although right now i am just individually charging them.
I will hook the robot up to my car battery and see if the system will boot. If so then I hope wiring in series will allow more voltage which will allow more draw?
Otherwise I just wasted $260 on batteries
So my question is is it a bad solder or is my wiring wrong. I have attached a basic schematic to show how I wired the power board (Sorry for my ignorance on making a real one) http://postimage.org/image/55fgckn5f/
once i get the regulator working i should be ok