FSA881UMX Integrated Circuits (ICs)

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A battery management system (BMS) is a form of power management that is used to manage the charge and discharge of multiple cells or energy storage banks of batteries. Within many rechargeable battery systems, the cells must be continually monitored and regulated in order to ensure that all cells are delivering the same voltage, and to prevent any cells for overcharging or over discharging. The FSA881UMX is a battery management integrated circuit (IC) designed to provide best-in-class functionality and ultra-low power consumption while managing several series- and/or parallel-connected battery cells.The FSA881UMX is a highly-accurate battery monitor designed specifically for managing portable device batteries. It features an internal voltage monitor, state-of-charge (SoC) estimating function and temperature monitor. It takes over battery parameters from the computer via I2C or SMBus, and monitors cell voltage and temperature, communicating back any alerts or state changes. This allows manufacturers to design extremely power efficient battery monitors that can also be used to supplement or replace traditional battery management systems.The FSA881UMX monitors the battery voltage and provides various state-of-charge estimation functions allowing the user to obtain the battery\'s charge and discharge status. The FSA881UMX can support up to four cells (or sub-cells of a larger battery) and provides a two-wire I2C/SMBus interface for communicating with the host. The FSA881UMX\'s comprehensive protection feature set includes under voltage, over voltage, charge over temperature, discharge over temperature and short/open circuit protection. The FSA881UMX can also signal an alert when an abnormal state occurs.The FSA881UMX is a member of the FSL881 power management IC family, offering features such as ultrasonic low power consumption and advanced monitoring capability. The FSL881 family of ICs features a range of features such as state-of-charge estimation, temperature monitoring, cell-voltage monitoring, and more. With the advanced features of the FSL881 IC family, manufacturers can reduce power consumption while providing a higher level of safety, reliability, and efficiency to their applications.In summary, the FSA881UMX is an ideal solution for portable device battery management applications due to its low power consumption, advanced monitoring capability, and range of features. It is capable of managing up to four cells or sub-cells of a larger battery, and communicating with its host via an I2C or SMBus interface. Additionally, the FSA881UMX provides comprehensive protection features for ensuring the safe operation of the battery.

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