BQ77910ADBTR Integrated Circuits (ICs)

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Power Management Integrated Circuits (PMICs) are semiconductor components that allow designers to create, and manage, low power systems. They are an essential part of any system that needs to ensure reliable power and battery management. PMICs come in many varieties for many different systems, providing a range of power, voltage, and temperature regulation functions across a variety of forms. Within PMICs, Battery Management is a particularly important area, providing fuel-level and energy-level control across battery-powered systems.The BQ77910ADBTR is a PMIC designed specifically for battery management in a range of applications, including automotive and portable electronics. This device is an innovative solution for managing the battery, providing a complete low-cost solution for single-cell lithium ion and lithium iron phosphate battery management. The BQ77910ADBTR is a switch-mode battery charger with integrated cell protection and cell diagnostics, tailored for automotive and other challenging environments.The BQ77910ADBTR device is powered by a Texas Instruments TISP4300 core, providing a complete transient protection solution for battery cell protection, charge/discharge control, and diagnostics, all in a single integrated chip. The device combines both a buck and a boost, as well as active cell current balance to ensure the most efficient and safest charge/discharge of lithium ion cells.The device has protection features including overvoltage, undervoltage, overcurrent, current totalization, and thermal measurements. It is able to accommodate battery cells ranging in capacity from 100mAh to 5Ah, making it an ideal solution for a wide range of systems. The BQ77910ADBTR also features a full complement of diagnostic features, including an open circuit voltage detection, an assessment of the cell\'s self-discharge, and a cell-specific analysis of capacity, energy and more.This PMIC device enables efficient charge control for single-cell lithium ion battery packs. The device is capable of charging a battery with both Buck and Boost peak currents up to 500mA and 500mA, respectively, and it can recognize when the battery is full and stops the charging process. The BQ77910ADBTR also provides a range of output voltages (2.5V to 18V), enabling the use of lower-quality battery cells with lower terminal voltages.The BQ77910ADBTR also offers full safety management of the battery pack, ensuring that cells remain below their maximum safe voltage and current levels. This is particularly important in automotive settings, where high voltages and high currents can present a safety hazard. The device provides cell-level balancing to maintain voltage and current evenness across cells within the battery pack, while other features such as the accuracy of the current loss measurement enable precise control and diagnosis of the battery pack.The BQ77910ADBTR is an ideal solution for battery management in automotive, mobile and portable electronic systems. This battery management device offers excellent efficiency, protection and diagnostic features, allowing designers to create battery packs that are reliable, safe, and capable of providing the power required.

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