TI (Texas Instruments) BQ2057WSNTRG4 Battery Type: Lithium-Ion (Li-Ion), Lithium-Polymer (Li-Pol) Function: Charge Management Lead Free Status / Rohs Status: Lead free / RoHS Compliant Maximum Operating Temperature: + 70 C Minimum Operating Temperature: - 20 C Mounting Style: SMD/SMT Mounting Type: Surface Mount Operating Supply Voltage: 18 V Operating Temperature: -20?°C ~ 70?°C Output Current: 40 mA Output Voltage: 8.4 V Package / Case: 8-SOIC (0.154", 3.90mm Width) Temperature Monitoring: Yes Voltage - Supply: 4.5 V ~ 15 V Product Category: Battery Management RoHS: yes Series: BQ2057W Factory Pack Quantity: 2500 Package: SOIC