Let's Make Robots!

LiFePo4

LiFePo4 Charger array

I don't suppose someone could tell me if I'm on the right track here?  I'm no EE, having a hack's grasp of circuits, just doing this to keep from idle hands.  Anyway, I've designed a LiFePo4 charging circuit with the hope to add it to 6 LiFe batteries--trying to make a battery pack I can just plug in for my little guy.  Anyways, I have no idea if I'm close--don't suppose someone could look it over before I try to etch it?

I'm using this IC:

http://ww1.microchip.com/downloads/en/AppNotes/01276a.pdf