HI Sr,
As caption,fortunately today I got a new one of EV2300 and I had try directly connect the EV2300 to the traget board what we made month ago with iic communication, the Program of Battery management studio V1.3.101 reminds me that there has two fauts (one is VUBS is too high for converter to start,another is Battery insert status not present),none of I regulate the input from 6-9Vdc, no charge current comes from this chip to Battery.compared HW design several times base on your (bq25970 PWR893 Evaluation Module user's guide)no fauts are fund on HW, here is the screenshot,pls do me a favor that help me to debug this problem, some tips is very appreciated!
Bgd!
Peter