Hello,
We are currently using an 18650 Lithium Ion battery with a built-in PCM for protection. In order to be single fault safe per UL standards, we are looking to add secondary protection on the system side. The BQ297XX series looks to be a great candidate, but I can't quite tell if this would be suitable as secondary protection. For example, if we were in an overdischarge situation (battery voltage too low) and the battery pack PCM kicked in, the BQ297XX would see 0V. Is it possible to recover from this kind of scenario? It appears the BQ297XX allows 0V charging, so I think we would be fine. Just wanted to confirm that this was a suitable application for this chip.
Thanks!