I am designing a Battery Charge controller for our 12V LiFePo battery.
Power input is:
a. Solar Panel 80W @ 12V (Vopencircuit=21.33V, Vmaxpower=17.78V) OR
b. 18VDC grid power.
Either one power input will be selected at time of deployment, so PCB should be able to handle both cases.
Battery specs: Charge Voltage=14.3V, 4 cell Lithium Iron Phosphate, Vout=12V
This is my first time design a Solar panel powered circuit. Thank you.