TI (Texas Instruments) BQ2057SNG4 Battery Type: Lithium-Ion (Li-Ion), Lithium-Polymer (Li-Pol) Function: Charge Management Lead Free Status / Rohs Status: Compliant Maximum Operating Temperature: + 70 C Minimum Operating Temperature: - 20 C Mounting: Surface Mount Mounting Style: SMD/SMT Mounting Type: Surface Mount Operating Supply Voltage: 4.5 V to 15 V Operating Supply Voltage (max): 15V Operating Supply Voltage (min): 4.5V Operating Temp Range: -20C to 70C Operating Temperature: -20?°C ~ 70?°C Operating Temperature Classification: Commercial Output Current: 2000 mA Output Voltage: 4.1V Package / Case: 8-SOIC (0.154", 3.90mm Width) Package Type: SOIC Pin Count: 8 Product: Charge Management Supply Current: 4 mA Voltage - Supply: 4.5 V ~ 15 V Product Category: Battery Management RoHS: yes Operating Supply Current: 4 mA Product Type: Charge Management Series: BQ2057 Factory Pack Quantity: 75