Maxim Integrated's DS2788E+ Stand-Alone Fuel Gauge IC

The DS2788E+ from Maxim Integrated is a sophisticated fuel gauge Integrated Circuit (IC) designed to provide precise battery monitoring and capacity management for single-cell Lithium-ion (Li+) batteries. This compact, stand-alone module is an essential component for portable devices where accurate battery status is crucial for optimal user experience.

One of the key features of the DS2788E+ is its ability to measure voltage, temperature, and current, and to use this data to estimate the remaining battery capacity. The device employs a unique method known as "coulomb counting" to track the charge and discharge activity of the battery, which aids in providing a more accurate representation of the battery's state-of-charge (SOC).

The IC also integrates a precise voltage-to-frequency converter for measuring battery voltage, an internal temperature sensor to monitor battery temperature, and a programmable gain amplifier for current sensing. These features enable the DS2788E+ to adapt to various battery chemistries and configurations, making it a versatile solution for a wide range of portable electronics.

With an I²C interface for communication, the DS2788E+ allows for easy integration into system designs. It provides access to a wealth of information including current, voltage, temperature, and accumulated charge, all of which are critical for implementing intelligent battery management algorithms.

Furthermore, the DS2788E+ comes in a small, lead-free TSSOP package, making it ideal for space-constrained applications. The device operates over a wide temperature range, ensuring reliable performance under varying environmental conditions.

Overall, the DS2788E+ is a high-performance solution for battery fuel gauging, offering designers a compact, accurate, and easy-to-use option for enhancing the user experience by extending battery life and preventing unexpected shutdowns in portable devices.

For more information, technical specifications, and support resources, visit Maxim Integrated's official website or contact their support team.