ETA9742 3 A Switching Charger, 2.4 A Boost and 3 LED indicators for battery level, charge/discharge status in One ESOP8 with S ingle Inductor ETA 9742 is a switching Li Ion battery charger capable of delivering up to 3 A of charging current to the battery and also capable of delivering up to 5V 2.4 A 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 e...