ST STC3100 handbook
Datasheet
The STC3100 is a battery monitor IC with a Coulomb counter/gas gauge. It features battery voltage monitoring, internal temperature sensor, 12/14-bit AD converter, internal or external time base, I2C interface, and more.
STMicroelectronics STC3100 manuals
ST AN3064 Application note Using the STC3100 battery monitor for gas gauge applications handbook
Datasheet
This document describes the method of using the STC3100 battery monitor to implement gas gauge applications. The STC3100 is a new device that includes battery monitoring features (voltage, current, and temperature) and a Coulomb counter to implement a gas gauge system in existing or future applications.