TI (Texas Instruments) BQ2018TS-E1TRG4 Battery Ic Case Style: TSSOP Battery Type: Multi-Chemistry Function: Fuel, Gas Gauge/Monitor Input Voltage: 5.5V Lead Free Status / Rohs Status: Lead free / RoHS Compliant Leaded Process Compatible: Yes Maximum Operating Temperature: + 70 C Minimum Operating Temperature: - 20 C Mounting Style: SMD/SMT Mounting Type: Surface Mount No. Of Pins: 8 Operating Supply Voltage: 4.25 V Operating Temperature: -20?°C ~ 70?°C Operating Temperature Range: -20?‚?°C To +70?‚?°C Package / Case: 8-TSSOP (0.173", 4.40mm Width) Product: Charge Management Rohs Compliant: Yes Series: Power Minder?„? Voltage - Supply: 2.8 V ~ 5.5 V