S-8211DAF-I6T1U

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The S-8211DAF-I6T1U is a battery management system (BMS) developed by Mitsubishi Electric Corporation. It is a power management integrated circuit (PMIC) designed to provide protection and charge/discharge control for Li-ion or LiPo batteries. This type of BMS is suitable for embedded applications where space is an issue, as it is a compact solution with multiple features and functions.

The S-8211DAF-I6T1U is capable of managing up to 16 cells in series, while providing protection against overvoltage and undervoltage, as well as over-current and over-temperature protection. It also supports an integrated cell balancing function and a programmable end of charge (EOCh) voltage setting. The IC also provides a low dropout regulator (LDO) to supply the internal logic and support a buck converter to power external systems.

This type of battery management system is highly appropriate for a variety of applications due to its integrated features. Its protective functions make it particularly suitable for applications that involve the use of high drain currents, such as electric vehicles and drones. Its highly optimized design also makes it suitable for smaller spaces, such as in wearable and endoscopy devices, where other conventional solutions cannot be applied.

The S-8211DAF-I6T1U battery management system works by managing the amount of current that is allowed to be drawn from the battery, ensuring that the charge/discharge system does not exceed pre-determined safety thresholds. This is achieved through an internal mechanical relay and power MOSFET, which control the battery current flow. The IC also has built-in protective functions, such as over-temperature protection and over discharged voltage detection, which ensure that the battery cells are not over-discharged beyond a safe limit.

The S-8211DAF-I6T1U also has a built-in cell balancing function, which equalizes the voltage of each cell in the array during charge and discharge cycles, allowing the battery to perform more efficently. A programmable end of charge voltage setting ensures that the battery is not overcharged beyond a safe limit. The cell balancing version of this BMS also includes a battery compiler, which is capable of displaying the battery state and parameters, allowing users to track how the battery is performing.

The S-8211DAF-I6T1U battery management system from Mitsubishi Electric Corporation is an efficient and highly reliable PMIC solution for various embedded applications. Its integrated protection and charge/discharge control features provide robust protection against overvoltage and undervoltage, as well as over-current and over-temperature situations. In addition, its integrated cell balancing and end of charge setting functions ensure that the battery is not overcharged or over-discharged beyond safety thresholds. As such, this type of BMS is suitable for applications that involve the use of high drain currents, such as electric vehicles and drones, and those that require a compact solution with multiple features and functions.

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