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.
The STC3100 is a battery monitor IC designed for single-cell Li-ion batteries. It includes hardware functions to implement a gas gauge for battery charge monitoring based on a programmable 12- to 14-bit A/D converter. The device monitors critical parameters such as voltage, temperature, and current.
| Operating temperature | -40 to 85 °C |
|---|---|
| A/D converter resolution | 12 or 14 bits |
| Input voltage range | +/- 80 mV |
| Time base frequency | 32768 Hz |
| RAM size | 32 bytes |
| Device ID | 8-byte unique |
| Maximum current | 2.5 A |
| Maximum capacity | +/- 7000 mAh |
| Current resolution | 0.2 mAh |
The device is programmable through the I2C interface.
The average operating current consumption is 100 uA over 4 seconds.