BQ7692003PW

The BQ7692003PW is a highly versatile, fully integrated battery fuel gauge IC designed for use with single-cell Li-Ion and Li-Polymer batteries in battery-operated products. The device combines a wide range of specialised functions, such as impedance tracking and open circuit voltage (OCV) measurement, allowing a battery system to be accurately monitored and controlled. In addition, the IC provides a vast array of communication options and comprehensive fault status reporting, allowing the IC to act as a system supervisor, further enhancing the battery management system\'s safety and reliability.

The BQ7692003PW application field primarily covers industrial and consumer applications with Li-Ion or Li-Polymer battery solutions. The chip is typically used in battery-operated products, such as smart phones, tablets and laptops, as well as in medical and robot vacuums. In addition, the unique features and extensive error reporting capabilities of the chip make it suitable for use in automotive and military applications, as well as with battery packs and battery chargers.

The BQ7692003PW is a sophisticated fuel gauge IC that offers a wide range of features and functions, such as cell monitoring and protection, integrated charge balancing, high resolution current and voltage measurement, and advanced communication capabilities. The chip incorporates an impedance tracking system (ITS) to continuously estimate battery SOC and cell health through Dynamic Equivalent Series Resistance (ESR) detection. The integrated A/D converter can measure up to 8 cell voltages to a resolution of 10 mV for enhanced accuracy and provides temperature measurements for improved safety and system reliability. The device uses I2C and SMBus communications to communicate with a host microcontroller for monitoring and control.

The BQ7692003PW has a built-in system protection circuit to detect any abnormal battery conditions, such as an overdischarge or overcharge. The device is also capable of balancing cells during charge and discharge cycles to ensure each cell remains within a safe and balanced voltage range. The device is preprogrammed with a set of safety parameters that are used to enable active cell protection and prevent the device from reaching dangerous end-of-charge conditions.

In summary, the BQ7692003PW is a sophisticated, highly integrated battery fuel gauge IC designed to accurately measure and monitor the performance of single-cell Li-Ion and Li-Polymer batteries in a range of applications. The device provides an extensive set of features, such as its impedance tracking system and A/D converter, as well as its integrated system protection and cell balancing functions, ensuring the highest levels of safety and reliability.