ETA6887 Single Inductor, 3A Battery Charger with 2. 4 A USB OTG, 0.1us True OVP and Adjustable Fuel Gauge All in One Solution ETA 6887 is a switching Li Ion battery charger capable of delivering up to 3A of charging current to the battery and also capable of delivering up to 2. 4 A in boost OTG operation. It employs a charge pump to achieve a very fast input OVP, and also includes an externally programmable fuel gauge system for power indication. For charging, it uses a propriet...