I need to add an Auxilliary power input jack to an existing project that is normally supplied by Li ion batteries. I would like to isolate the batteries from the circuit when external power is supplied. My initial thought is to just use a pair of n channels like this:http://www.falstad.com/circuit/#$+1...256+208+416+208+0+1+true
w+864+496+864+320+0
(I put a lamp in the simulation in place of the board regulator)
Is there a better way? maybe a single chip solution? I'm not opposed to making a charging circuit either.
(I put a lamp in the simulation in place of the board regulator)
Is there a better way? maybe a single chip solution? I'm not opposed to making a charging circuit either.