S-8211CAM-M5T1G

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PMIC - Battery Management

The S-8211CAM-M5T1G is a power management Integrated Circuit (PMIC) that is part of a battery management system (BMS). This power conditioning platform is designed to protect, charge and monitor single-cell Lithium Ion (Li-Ion) and Lithium Polymer (Li-Polymer) rechargeable batteries. Its design enables effective charging and battery life protection against performance deterioration due to overcharging or undercharging.

The key features of the S-8211CAM-M5T1G include the following. Firstly, it allows a switch mode battery charger current up to 1.1A. Secondly, it contains an adjustable open circuit voltage detection circuit with overvoltage protection. Thirdly, it has an overcurrent protection circuit. Finally, it has multiple power loss protection circuits.

Application Field

The S-8211CAM-M-5T1G is suitable for a wide range of portable electronic devices, such as mobile phones, digital cameras, PDAs, portable media players, and portable gaming systems. It is also suitable for high-drain medical devices such as insulin pumps, blood glucose meters, and other medical devices.

This PMIC is also used for automotive applications, providing power conditioning for electric vehicles and providing a charging interface for high-rate charging systems. It can also provide protection for solar cells and fuel cells. Additionally, it provides power conditioning and battery management for research and development, industrial, and commercial applications.

Working Principle

The S-8211CAM-M5T1G works by sensing the battery\'s voltage and current, and then controlling the power supply to the battery in order to ensure safe charging and prevent overcharging. The PMIC implements an overvoltage protection by monitoring the terminal voltage of the battery with an adjustable open circuit voltage detection circuit. At the same time, overcurrent protection is provided through the integrated overcurrent protection circuit.

In addition, the device supports multiple power loss protection circuits, including an input power fail monitoring circuit, an output power interrupt monitoring circuit, and a temperature monitoring circuit. This ensures that safe charging is maintained during sudden power loss, as well as during high temperature conditions.

The S-8211CAM-M5T1G also features multiple additional features, such as a charger interface for high-rate batteries, support for chemistries such as Li-Ion, Li-Polymer, LiFeMnPO4, and LiMnO2, and high accuracy current monitoring.

Conclusion

In conclusion, the S-8211CAM-M5T1G is an ideal PMIC for a wide range of applications, including portable electronics, automotive, research and development, and industrial applications. Its features include a switch mode battery charger current up to 1.1A, an adjustable open circuit voltage detection circuit with overvoltage protection, an overcurrent protection circuit, multiple power loss protection circuits, and high accuracy current monitoring.

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