LTC2942 Datasheet (Linear Technology)

LTC2942, Battery Gas Gauge

The LTC®2942 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 a sense resistor between the battery’s p

LTC2942 Features

* n Indicates Accumulated Battery Charge and Discharge n High Accuracy Analog Integration n ADC Measures Battery Voltage and Temperature n Integrated Temperature Sensor n High Side Sense n 1% Voltage and Charge Accuracy n ±50mV Sense Voltage Range n SMBus/I2C Interface n Configurable Alert Out