what im looking for is basically a QC2.0/3.0 quick charge controller which i can use with a 12vdc power source rather than paired with a 110/220v smps, or, a way to use one such quick charger chip to control a 12v power supply instead. What i want to do is try to construct an economical battery...
the one i have my eye on is the FAN6290QF
heres a schematic from its datasheet
from the looks of it, its throttling the output of a flyback transformer, i doubt its regulating through PWM using just that Cout for maintaining a clean output, i think its more likely that the flyback is being...