I built the attach circuit, I was simulating a solar panel buck boost voltage regulator to regulate the output voltage.
The problem is that while it works and shows the appropriate output. It doesnt't show the current, I attached probes in the circuit, but it shows I have little to none current passing thru the circuit.
It just seems like only voltage is passing thru the circuit and there is no current.
Is there a way to also simulate a solar panel with a power rating?
P.S: I based the buck-boost circuit from here
http://www.onsemi.com/pub_link/Collateral/AN920-D.PDF
STEP UP/DOWN SWITCHINGREGULATOR OPERATION p. 18
enter image description here
Best Answer
The reason you have no current on the output is because you don't have a load that will draw any more.
As it stands, your load consists of R4, R5 and R7 in series. R7 is 100 Ohms, R5 is 12.9k and R4 is 1.5k. Add these together for 14.5k.
Now use Ohm's Law of V=I*R and re-arrange to solve for I - I = V/R. Plug in the numbers and you get I = 12.3/14500 = 0.000848276, which is pretty much what you have there.
Looks to me like your simulation is working properly.