DS2780E+T&R

Battery Management Overview

The DS2780E+T&R is a stand-alone fuel gauge integrated circuit designed for lithium-ion and lithium-polymer battery management. It operates within a supply voltage range of 2.5 V to 5.5 V, with a maximum output voltage capability of 5.5 V. The device functions reliably across an industrial temperature range from -40°C to +85°C. Its quiescent operating current is specified at 65 µA, ensuring low power consumption during monitoring tasks. The component is housed in an 8-pin TSSOP package suitable for surface mount technology.

Battery Management Feature Summary

• Provides stand-alone fuel gauge functionality for single-cell lithium-based batteries
• Integrates internal algorithms for state-of-charge estimation without external microcontrollers
• Supports I2C communication interface for system integration

Battery Management Applications

• Portable medical devices requiring precise battery level indication
• Consumer electronics utilizing lithium-ion or lithium-polymer cells
• Industrial handheld instruments needing reliable power monitoring

Battery Management Procurement Notes

Verify the specific suffix designation against official manufacturer documentation to confirm tape-and-reel packaging configuration. Ensure compatibility with existing PCB footprints for the 8-TSSOP package. Confirm RoHS compliance status through current datasheets prior to procurement planning.

Battery Management Selection Notes

Select this component when a dedicated, stand-alone fuel gauge solution is required for single-cell lithium applications. Consider the 65 µA operating current for low-power designs. Verify that the 8-TSSOP package dimensions fit the target enclosure constraints. Evaluate the need for I2C interface compatibility with the host processor.

Battery Management Part Context

This part belongs to the Maxim Integrated DS278x family of fuel gauges. These components are engineered for accurate battery monitoring in portable systems. The series supports various cell chemistries including lithium-ion and lithium-polymer types. Designers often utilize these ICs to replace complex discrete battery management solutions.

Battery Management Replacement Considerations

Consult official substitution guides for direct replacements within the DS278x family. Verify pinout and electrical parameter compatibility before integrating alternative parts.