Maxim Integrated DS2780E+ Stand-Alone Fuel Gauge IC

The DS2780E+ from Maxim Integrated is a high-precision, stand-alone fuel gauge integrated circuit (IC) designed to provide detailed information on battery charge state for single-cell Li-ion (Lithium-ion) or Li-poly (Lithium-polymer) batteries. This compact and efficient device is ideal for portable applications where accurate fuel gauging is crucial for user experience and device performance.

Featuring Maxim's patented impedance tracking algorithm, the DS2780E+ offers an impressive level of accuracy in estimating the battery's remaining capacity. This is achieved by monitoring parameters such as voltage, temperature, and current, which allows the IC to predict the remaining charge with a high degree of precision. The device's ability to measure absolute voltage (with a resolution of 4.88mV), current (with a resolution of 15.625µV), and temperature (-40°C to +85°C), enables it to deliver reliable battery status to the user or system.

The DS2780E+ also incorporates a unique feature of adjustable charge voltage thresholds, allowing for customization to match specific battery chemistry and application requirements. This ensures that the fuel gauge can adapt to a wide range of battery types and sizes, making it a versatile choice for many different portable devices.

Communication with the DS2780E+ is facilitated through a 2-wire serial interface, which simplifies integration with a host microcontroller. The device is available in a small, 8-pin TSSOP package, making it easy to incorporate into space-constrained designs without sacrificing performance.

In summary, the DS2780E+ from Maxim Integrated is a sophisticated fuel gauge solution that offers designers and engineers the tools to enhance the user experience by providing accurate and detailed battery information. With its high level of integration and performance, the DS2780E+ is an excellent choice for applications such as handheld devices, medical equipment, and other portable consumer electronics where battery management is essential.