S-8241AEEMC-GEET2G

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The S-8241AEEMC-GEET2G is a microchip designed by Silicon Laboratories Inc. As part of the Company’s family of devices specifically designed for battery-powered applications, this device is ideally suited for a variety of battery management applications. The S-8241AEEMC-GEET2G offers a comprehensive range of protection and monitoring capabilities and provides maximum flexibility while preserving battery life.

Application Field

The S-8241AEEMC-GEET2G can be used to manage a variety of different battery types, from single-cell Li-ion batteries to multi-cell NiMH, NiCd and lead-acid battery packs. In particular, it is well-suited for automotive, consumer and industrial applications requiring protection from overvoltage, overcurrent, short-circuit and thermal runaway conditions. In addition, the device delivers excellent protection for multi-cell battery pack charging, with current regulation allowing for more uniform cell charging.

The S-8241AEEMC-GEET2G also provides accurate voltage and current measurements, with a built-in 16-bit delta-sigma amplifier to ensure low noise accuracies. Battery chemical memory can also be monitored, with the temperature validation feature enabling chemical reactions to be tracked in order to ensure adequate battery capacity.

Working Principle

The core principle behind the S-8241AEEMC-GEET2G is its integrated charger and protector functionality. The charger regulates cellular voltage and current, as well as providing charge termination when all cells reach the desired end-of-charge voltage. The protector, meanwhile, monitors cell voltage and temperature in order to protect battery cells from thermal runaway, short circuit, and overcharge conditions. The device also provides an external open drain output allowing a system to communicate with the battery charger.

The device is controlled through an I2C interface and allows a variety of programmable elements to be adjusted and monitored, including ECO Mode, end-of-charge current and voltage thresholds, peak current, and more. The device also has integrated window-type open drain output and programmable PWM frequency for controlling external battery protection circuitry.

The S-8241AEEMC-GEET2V also offers a power management circuit that enables and disables the output cell voltage and current in order to simplify system design while reducing overall power consumption. Additionally, the device offers low charge current leakage and low power standby current, enabling extended battery life and reliability.

Conclusion

The S-8241AEEMC-GEET2G is a highly flexible, highly integrated microchip designed for a variety of battery management applications, offering excellent protection features and a comprehensive range of adjustable and monitorable parameters. The device is ideal for automotive, consumer and industrial applications requiring protection from overvoltage, overcurrent, short-circuit and thermal runaway conditions, and offers accurate voltage and current measurements, as well as a user-programmable power management and charging circuit. With its comprehensive protection and monitoring capabilities, the S-8241AEEMC-GEET2G provides maximum flexibility while preserving battery life.

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