DS2776G+T&R

Battery Management Overview

The DS2776G+T&R is a standalone fuel gauge IC designed for 2-cell lithium-ion or lithium-polymer battery packs. It operates within a supply voltage range of 2.5 V to 4.5 V and provides an output voltage of 3.1 V with an output current capability of 4 mA. The device functions at temperatures between -40°C and +85°C, consuming a typical operating supply current of 50 µA. It is housed in a compact TDFN-14 (3x5) surface-mount package.

Battery Management Feature Summary

• Standalone open-circuit voltage-based fuel gauge architecture
• Supports 2-cell lithium-ion and lithium-polymer battery chemistries
• Integrated low-power operation suitable for portable applications

Battery Management Applications

• 2-cell battery pack monitoring
• Host-side battery management systems
• Portable electronic devices requiring state-of-charge indication

Battery Management Procurement Notes

Verify the specific suffix 'T&R' indicates tape-and-reel packaging when ordering. Confirm RoHS compliance status through official documentation. Ensure the component matches the required TDFN-14 footprint and thermal characteristics for your PCB design.

Battery Management Selection Notes

Select this component for applications requiring a dedicated, low-cost fuel gauge for dual-cell configurations. Consider the 50 µA quiescent current for battery life optimization. Verify compatibility with the host microcontroller interface requirements before integration.

Battery Management Part Context

This part belongs to the Maxim Integrated DS27xx series of battery management components. It serves as a specialized solution for accurate state-of-charge estimation in multi-cell lithium batteries without requiring complex external circuitry.

Battery Management Replacement Considerations

Consult official Analog Devices documentation for verified cross-reference part numbers. Do not substitute based on generic specifications alone.