S-8209ACI-T8T1U

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The S-8209ACI-T8T1U is a high-performance battery management IC for multi-cell Li-ion/Li-Polymer battery. It is designed for applications such as laptop and tablet PCs, digital cameras, and mobile phones. The S-8209ACI-T8T1U provides state-of-the-art features such as an advanced battery safety circuit, an automated cell balancing, an integrated fuel-gauging system, and an optimized power management algorithm. The highly integrated design simplifies the circuit layout and reduces the board space, cost, and development time.

Application Field of S-8209ACI-T8T1U

The S-8209ACI-T8T1U is designed to be used in Li-ion/Li-Polymer Battery with cell voltage range from 2.5v to 4.5V. Its power management and safety features empower a wide range of applications from a single-cell battery system to a multi-cell battery environment.

The most common application for this IC is the laptop / tablet and other portable battery system. The S-8209ACI-T8T1U provides an automated cell balancing function and fuel-gauging system. This makes the system more efficient and able to run longer on a single charge, while the safety features protect the system from overcharge and overdischarge. It is ideal for use in high-energy-storage devices such as Li-ion and Li-Polymer battery.

The S-8209ACI-T8T1U can also be used in other applications such as digital devices, UPS, solar battery systems, emergency vehicle systems, and so on. With its integrated power management and safety features, the S-8209ACI-T8T1U enables the users to create higher level battery solutions for hassle-free usage.

Working Principle of S-8209ACI-T8T1U

The S-8209ACI-T8T1U is designed with a multi-stage power path configuration. The first stage consists of a voltage regulator, low dropout linear charger, and battery protection circuit. This allows the user to monitor and control the total system power by controlling the current flow through the voltage regulator.

The second stage consists of an advanced battery safety circuit and an integrated fuel-gauging system. It monitors the battery voltage, current, and temperature to ensure safe operation and reliable charging. The battery protection circuit can shut down the system if the battery is overcharged or over discharged.

The third stage consists of an automated cell balancing function and power management algorithm for multi-cell Li-ion/Li-Polymer battery system. The cell balancing feature ensures the cells are equally charged and discharged, which increases the system efficiency and improves the safety by avoiding the deep cell-discharging issue. The integrated fuel-gauging algorithm allows the user to accurately estimate the remaining battery capacity and provide the feedback to the system for optimized power management.

In addition to above mentioned functions, the S-8209ACI-T8T1U also provides a range of features such as over-temperature protection and under-voltage lockout. This makes the S-8209ACI-T8T1U an ideal solution for various Li-ion/Li-Polymer Battery application.

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