BQ76925RGET Integrated Circuits (ICs)

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Modern electronic devices such as smartphones, tablets, and laptops use a vast array of components, not least of which are batteries. Accurately monitoring battery performance, and providing efficient management of the battery’s charge, are essential for achieving optimum performance and longevity. Battery Management Systems (BMS) have become increasingly important components for managing modern batteries. They use a variety of technologies such as analog and digital electronics, software, and hardware to monitor and manage the performance of a battery.

BQ76925RGET is a highly integrated battery management IC from Texas Instruments, developed specifically for safely integrating Li-Ion/Li-Po batteries into smart electronic configurations. This highly capable device combines an industry-leading 16/18-bit delta-sigma analog-to-digital converter (ADC) with an on- die integrated programmable pulse-per-second timer, active-clamping FETs, programmable current sense elements and integrated switching regulators. It is implemented in the space-saving 5x5mm MicroStar Junior (MSJ) package.

Application Field of BQ76925RGET

The BQ76925RGET Battery Management IC from Texas Instruments is designed for large-cell battery systems. This device is ideal for monitoring high power, large-cell battery systems such as those used to power large-scale industrial and medical equipment, robotics applications, or electric/hybrid automobiles. The BQ76925RGET is also suitable for small-cell batteries such as those used by handheld and wearable electronic devices.

Working Principle of BQ76925RGET

The BQ76925RGET battery management IC uses a variety of technologies in order to effectively monitor and manage a battery’s performance. Firstly, a high performance 16/18-bit delta-sigma analog-to-digital converter (ADC) is integrated onto-die. This ADC can measure battery voltage as well as accurate temperature readings. It can also detect cell-by-cell voltage imbalance and detect overvoltage thresholds.Secondly, an integrated programmable pulse-per-second timer ensures that system timestamps are stored accurately and reliably. This allows for the monitoring of system events for security and performance monitoring benefits.The device integrates active-clamping FETs, programmable current sense elements, sensing resistors and switching regulators. Additionally, the device offers integrated system security features for preventing unauthorized operation. Finally, the device supports I2C communication with a host processor for fast, reliable and secure data communication.

In summary, the BQ76925RGET is a powerful, highly integrated battery management chip. This device integrates high-performance monitoring and control technologies within a space-saving 5x5mm MSJ package. This chip is ideal for accurately monitoring and managing Li-Ion/Li-Po batteries in any industrial, medical, robotic or automotive systems.

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