CW2015 Datasheet

CW2015 Low-Cost Fuel Gauge

The CW2015 is an ultra-compact, low-cost, host-side/pack-side, sensing resistor free, fuel gauging system IC for Lithium-ion(Li+) based batteries .

Features

 System-Side or Pack-Side Fuel Gauging
 3% Maximum Total SOC Measurement Error
 14-bit Delta Sigma ADC for Temperature and Cell Voltage Measurement
 Precision Voltage Measurement
 No Offset Accumulation During Life Time
 No Full-to-Empty Battery Learning Cycles Necessary
 No Sense Resistor Required
 SOC and RRT available
 External Alarm/Interrupt for Low-Battery Warning Available
 Patented “FastCali” gas gauging algorithm
 Calibration After Quick Soft-Reset
 Very Low Active and Sleep Power Consumption - Normal mode 15uA - Sleep mode <1uA
 General I2C interface
 Tiny, Lead(Pb)-Fre.