TI (Texas Instruments) BQ28550DRZR-R1 Battery Type: Li-Ion Charge Safety Timers: No Maximum Operating Temperature: + 85 C Minimum Operating Temperature: - 40 C Mounting Style: SMD/SMT Operating Supply Current: 20 mA Output Voltage: 2.55 V Package / Case: SON-12 Product Type: Fuel Gauges Rohs: yes Series: BQ28550-R1 Temperature Monitoring: No RoHS: yes