TI (Texas Instruments) BQ27520YZFR-G4 RoHS: yes Battery Type: Li-Ion Output Voltage: 2.6 V Operating Supply Voltage: 2.8 V to 4.5 V Maximum Operating Temperature: + 85 C Minimum Operating Temperature: - 40 C Package / Case: BGA-15 Charge Safety Timers: No Mounting Style: SMD/SMT Operating Supply Current: 118 uA Product Type: Fuel Gauges Series: BQ27520-G4 Temperature Monitoring: Yes