Controller, Battery Charger, 1737; Battery Type:Li-Ion, Li-Pol; Input Voltage:28V; Battery Charge Voltage:4.2V; Charge Current Max:4A; Battery Ic Case Style:Qsop; No. Of Pins:28Pins; No. Of Series Cells:4; Operating Temperature Rohs Compliant: Yes |Maxim Integrated/analog Devices MAX1737EEI+