MAX77932CEWO+T

Overview

The MAX77932CEWO+T is a battery management integrated circuit designed for bench power supplies or two-series cell lithium-ion battery packs with protection. It operates within a supply voltage range of 4 V to 9.2 V and draws a typical operating current of 80 uA. The device supports Lithium-ion and Lithium Polymer battery chemistries, providing an output voltage of 4.7 V. It is housed in a DFN-14 surface-mount package and functions reliably across an industrial temperature range from -20°C to +70°C.

Feature Summary

• Standalone fuel gauge functionality for accurate state-of-charge monitoring
• Integrated protection mechanisms for multi-cell battery configurations
• Low-power operation suitable for energy-constrained portable applications

Applications

• Bench power supply systems
• Two-series cell lithium-ion battery packs
• Battery pack protection circuits

Procurement Notes

Verify the specific suffix 'EWO' against the manufacturer's official datasheet to confirm pinout and thermal pad configuration. Ensure the component meets RoHS compliance requirements for your target market. Cross-reference the ordering number with Analog Devices documentation to validate availability status and lead times before finalizing procurement plans.

Selection Notes

Select this component when designing systems requiring standalone fuel gauging for two-series cells. It is appropriate for applications needing low quiescent current and robust protection features. Consider the DFN-14 package constraints for PCB layout and thermal management during the design phase.

Part Context

This part belongs to the Maxim Integrated battery management portfolio, specifically targeting advanced fuel gauging and protection needs. It complements other single-cell or higher-voltage solutions by offering specialized capabilities for two-series configurations in compact form factors.

Replacement Considerations

Consult the official datasheet for direct pin-to-pin replacements. Verify compatibility with existing firmware if the replacement involves updated fuel-gauge algorithms.