Maxim Integrated's DS2751E+ High-Precision Battery Fuel Gauge

The DS2751E+ from Maxim Integrated is an advanced high-precision battery fuel gauge designed to provide detailed information on the state of charge (SoC) and overall health of rechargeable battery packs. This sophisticated device is particularly well-suited for portable devices where accurate battery monitoring is crucial for user experience and device performance.

At the heart of the DS2751E+ is its ability to perform precise current, voltage, and temperature measurements, enabling it to deliver comprehensive data on battery conditions. This fuel gauge integrates a temperature-compensated current integrator, a 16-bit delta-sigma A/D converter, and nonvolatile (NV) memory for storing application-specific parameters and battery history data. The combination of these features allows the DS2751E+ to provide highly accurate battery state-of-charge estimations and predict remaining battery life with a high degree of precision.

One of the key benefits of the DS2751E+ is its versatility in supporting various battery chemistries, including Lithium-Ion (Li-Ion), Lithium Polymer (Li-Poly), and Nickel Metal Hydride (NiMH). This makes it an ideal choice for a wide range of applications, from smartphones and laptops to portable medical devices and industrial equipment.

The device's two-wire interface facilitates communication with the host system, allowing for easy integration into existing designs. This interface is used not only for data transfer but also for programming the DS2751E+'s settings to tailor its operation to the specific needs of the application. The NV memory ensures that critical data is preserved even when the battery is removed, providing reliability and consistency in performance.

With its small footprint in a 16-pin TSSOP package, the DS2751E+ is designed for space-constrained applications. Its high level of integration reduces the need for additional external components, simplifying the design process and saving valuable board space.

In summary, Maxim Integrated's DS2751E+ is a powerful and flexible solution for precise battery management, offering designers the tools to enhance the performance and reliability of their battery-powered devices.