LTC2942-1 Datasheet (Linear Technology)

LTC2942-1, 1A Battery Gas Gauge

The LTC®2942-1 measures battery charge state, battery voltage and chip temperature in handheld PC and portable product applications.

Its operating range is perfectly suited for single cell Li-Ion batteries.

A precision coulomb counter integrates current through an internal sense resistor between the

LTC2942-1 Features

* n Indicates Accumulated Battery Charge and Discharge n SMBus/I2C Interface n Integrated 50mΩ High Side Sense Resistor n ±1A Sense Current Range n High Accuracy Analog Integration n ADC Measures Battery Voltage and Temperature n Integrated Temperature Sensor n 1% Voltage and Charge Accuracy n