POWER MANAG, WUSB, 38QFN; Battery Management Function:Charger; Battery Type:Li-Ion / Li-Polymer; Voltage, Input Max:5.5V; Max Charge Current:1.5A; Voltage, Output Max:5V; Control Interface:Serial, I2C; No. of Series Cells:1; Voltage, Supply Min:4.35V; Voltage, Supply Max:5.5V; Termination Type:SMD; Case Style:QFN; No. of Pins:38; Operating Temperature Range:-40°C to +85°C; Base Number:3576