ST STC3100IQT

电池监控器锂离子-40°C ~ 85°C（TA）

Overview

The STC3100IQT monitors the critical parameters of a single-cell Li-Ion battery (voltage, temperature and current) and includes hardware functions to implement a gas gauge for battery charge monitoring, based on a programmable 12- to 14-bit A/D converter. With a typical 30 milliOhms external sense resistor, the battery current can be up to 2.5 A and the accumulator system provides a capacity up to +/-7000 mAh with a resolution of 0.2 mAh.

The device is programmable through the I2C interface.

Features

• Battery voltage monitoring

• Internal temperature sensor

• Coulomb counter with 12/14-bit AD converter, +/- 80 mV input voltage range

• Internal or external 32768 Hz time base

• I2C interface for gas gauge monitoring and device control

• 32-RAM bytes

• 8-byte unique device ID

• One general-purpose I/O

Applications

• Cellular phones, PDA, MP3 players, cordless phones

• Digital cameras, USB appliances, Bluetooth devices