TI (Texas Instruments) BQ26221PWRG4 Battery Type: Multi-Chemistry Function: Battery Monitor 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 Temperature: -20?°C ~ 70?°C Output Current: 5 mA Package / Case: 8-TSSOP (0.173", 4.40mm Width) Product: Charge Management Voltage - Supply: 2.8 V ~ 4.5 V