DS2782E+

Battery Management Overview

The DS2782E+ is a stand-alone fuel gauge integrated circuit designed for single-cell lithium-ion and lithium-polymer batteries. It operates within a supply voltage range of 2.5 V to 5.5 V and features an I2C interface for data communication. The device supports a maximum output voltage of 5.5 V and consumes a typical operating supply current of 65 uA. It is housed in an 8-TSSOP package suitable for surface mount installation, with an extended operating temperature range spanning from -40°C to +85°C.

Battery Management Feature Summary

• Provides accurate state-of-charge monitoring for single-cell lithium-based battery packs through dedicated fuel gauge algorithms.
• Enables system-level power management by communicating battery status via the standard I2C bus interface.
• Supports calibration of internal parameters to maintain measurement accuracy across varying environmental conditions.

Battery Management Applications

• Portable consumer electronics requiring precise battery life estimation
• Medical devices demanding reliable power source monitoring
• Wearable technology utilizing compact lithium polymer cells

Battery Management Procurement Notes

Verify component authenticity through authorized channels due to limited availability status reported by major distributors. Confirm that the specific ordering suffix matches the required packaging format, as tube and reel variants exist within the product family. Ensure compliance with RoHS3 specifications and check lead time constraints associated with restricted supply conditions before finalizing procurement plans.

Battery Management Selection Notes

Select this component when designing systems requiring a low-profile, single-cell fuel gauge solution with minimal external component count. The I2C interface simplifies integration into microcontroller-based architectures. Consider the thermal performance characteristics relative to the intended application environment, ensuring operation remains within the specified -40°C to +85°C range for optimal accuracy and longevity.

Battery Management Part Context

This part belongs to the Maxim Integrated DS278x series of fuel gauges, which are widely utilized in portable applications. The DS2782E+ specifically targets single-cell configurations, offering a cost-effective alternative to more complex multi-cell monitoring solutions. Its design focuses on balancing accuracy with low power consumption, making it suitable for space-constrained devices where battery efficiency is critical.

Battery Management Replacement Considerations

Consult official documentation for direct substitutes within the DS278x family. Verify pin compatibility and software configuration requirements when transitioning between similar fuel gauge models to ensure seamless integration without hardware redesign.