ETA9720 1.2A Switching Charger, 1.2A Boost and Fuel Gauge in One SOP8 with S ingle Inductor ETA9720 is a switching Li Ion battery charger capable of delivering up to 1.2A of charging current to the battery and also capable of delivering up to 5V 1.2A in boost operation , with high efficiency in both charging mode and boost mode . It also includes a fuel gauge system for power indication. For charging, it uses a proprietary control scheme that el...