TI (Texas Instruments) BQ2054SNTRG4 Battery Type: Lithium-Ion (Li-Ion) Charge Safety Timers: Yes Function: Charge Management Lead Free Status / Rohs Status: Lead free / RoHS 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: 7 V Operating Supply Voltage (max): 5.5V Operating Supply Voltage (min): 4.5V Operating Supply Voltage (typ): 5V Operating Temp Range: -20C to 70C Operating Temperature: -20?°C ~ 70?°C Operating Temperature Classification: Commercial Package / Case: 16-SOIC (0.154", 3.90mm Width) Package Type: SOIC Pin Count: 16 Product: Charge Management Temperature Monitoring: Yes Voltage - Supply: 4.5 V ~ 5.5 V