S-8261AAHMD-G2HT2G

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Power management IC (PMIC) is a type of integrated circuit that efficiently manages the distribution of power from the power source to different parts of a device. Battery management ICs are a sub-category of PMICs that are specifically designed to manage the battery of a device. The S-8261AAHMD-G2HT2G is a battery management IC with a PowerLimit function and built-in temperature compensation that can automate battery charging calculations and protect the battery from overvoltage and overcurrent conditions.

The S-8261AAHMD-G2HT2G is suitable for various battery-powered applications such as commercial products (mobile devices, e-bikes, UPScooters, etc.) and automotive products (hybrid cars). This IC also supports power-sustaining functions, such as hibernation and sleep modes, so that it can contribute to energy efficiency and reduce power consumption.

Features and Benefits

One of the most attractive features of the S-8261AAHMD-G2HT2G is its PowerLimit function, which enables the IC to automatically detect the battery\'s charging status and protect the battery from overvoltage and overcurrent conditions. Moreover, it is equipped with a built-in temperature compensation circuit, which can accurately detect the temperature of the battery and performs temperature compensation for the charging current, ensuring safe charging and avoiding high-temperature charging damage.

Another feature that makes the S-8261AAHMD-G2HT2G an attractive device is its integrated circuit design. This IC integrates various functions such as battery protection, overcurrent protection, overvoltage protection, and temperature compensation into a single chip, reducing the circuit complexity and simplifying the design process. Furthermore, the device can be integrated into a battery management system through its built-in SPI communications interface.

Additionally, the S-8261AAHMD-G2HT2G has a wide operating temperature range (-40°C to +150°C). This wide temperature range allows the device to be used in various battery-powered applications with different operating environments.

Working Principle

The S-8261AAHMD-G2HT2G is designed with a built-in PowerLimit function, temperature compensation circuit, and a power-sustaining function. It can be connected to a battery management system (BMS) and detects the battery\'s charging status. When the battery is connected in charging mode, the IC will detect the battery\'s charging current, voltage, and temperature and make calculations to determine the safe charging parameters. The PowerLimit function of the IC will then limit the charging current to the safe limit. In addition, the temperature compensation circuit of the IC can make temperature corrections for the charging current to avoid overcharging or undercharging.

The S-8261AAHMD-G2HT2G also supports power-sustaining functions such as hibernation and sleep modes. Hibernation mode maintains the battery\'s capacity at a low level by automatically reducing the current consumption, while sleep mode turns off the current consumption of the device and maintains the battery\'s capacity until it is activated. These power-saving functions enable the device to be used more efficiently in different battery-operated applications, helping to reduce power consumption.

Conclusion

The S-8261AAHMD-G2HT2G is an effective battery management IC with a range of features that make it suitable for various applications. Its PowerLimit function and integrated temperature compensation circuit ensure that the battery is correctly charged and protected, while its power-sustaining functions contribute to energy efficiency. All these features make the S-8261AAHMD-G2HT2G an attractive building block for battery-operated designs.

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