OK, so it looks like ST is pulling out of fuel gauges. Great... Well, honestly even though I loved the STC3115AIJT, I had done a bunch of work trying to fully integrate the chip in. Now I am looking at the BQ27531-G1 which works with a similar series of chargers and actually 'runs' the charger and filters uc requests. So maybe it will be the awesome default discrete does most things, i2c enables all features USB/Qi Charger I meant to make.