Description

Nanopower Buck-Boost DC/DC with Integrated Coulomb Counter Features:680nA Input Quiescent Current (Output in Regulation at No Load)1.8V to 5.5V Input Operating RangeSelectable Output Voltages of 1.8V, 2.5V, 2.8V, 3V, 3.3V, 3.6V, 4.5V, 5VIntegrated Coulomb Counter Measures Accumulated Battery Discharge±5% Battery Discharge Measurement AccuracyProgrammable Peak Input Current of 5mA, 10mA, 15mA, 25mA, 50mA, 100mA, 150mA, 250mAUp to 50mA of Output CurrentUp to 90% EfficiencyProgrammable Coulomb Counter Prescaler for Wide Range of Battery SizesProgrammable Discharge Alarm ThresholdI2C InterfaceLow Profile (0.75mm) 20-Lead (3mm × 4mm) QFN Package