STC3100IQT - Battery Monitor IC by STMicroelectronics

The STC3100IQT is a high-precision battery monitor integrated circuit (IC) designed by STMicroelectronics, tailored for effective power management in portable and handheld devices. This IC is part of STMicroelectronics' extensive portfolio of power management solutions, offering a robust feature set to enhance battery performance and longevity.

Key Features

• Gas Gauge System: The STC3100IQT integrates a gas gauge system with a programmable alarm output for battery monitoring, providing real-time data on battery charge and discharge, thus ensuring optimal usage and preventing deep discharge scenarios.
• Voltage Measurement: Accurate battery voltage monitoring with a precision of up to 2.44 mV, which is crucial for maintaining the health and efficiency of the battery.
• Current Sensing: The device is capable of measuring charge and discharge currents with high precision, enabling detailed current consumption analysis for the device it powers.
• Coulomb Counter: It features a coulomb counter with 12 bits of resolution, allowing for precise tracking of the charge entering and leaving the battery.
• I²C Interface: An I²C interface is included for easy communication with the host controller, facilitating integration into various system architectures.
• Temperature Measurement: The IC can also measure temperature, which is vital for monitoring the battery's environment and ensuring safe operation under different conditions.

Applications

The STC3100IQT is versatile and can be used in a wide range of applications, including but not limited to smartphones, tablets, digital cameras, and other portable electronics that require precise battery monitoring to ensure reliable operation.

Technical Specifications

• Operating Voltage: 2.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Packaging: QFN 16 (4x4 mm)

In summary, the STC3100IQT from STMicroelectronics is an essential component for modern battery-powered devices, offering accurate monitoring and reporting capabilities that help extend battery life and enhance device reliability.