MAX6431EHUS

Overview

The MAX6431EHUS is a dual-cell battery monitor IC designed for multi-chemistry battery management applications. It provides comprehensive monitoring and protection functions for two series-connected cells. The device operates within a wide supply voltage range and supports various battery chemistries including lithium-ion, lithium-polymer, nickel-cadmium, and nickel-metal hydride. It features integrated fault detection and protection mechanisms to ensure safe operation.

Feature Summary

• Dual-cell monitoring capability for series-connected battery packs
• Support for multiple battery chemistries including Li-ion and Ni-based types
• Integrated fault protection and detection logic
• Compact SOT-143-4 surface-mount package

Applications

• Portable electronic devices requiring dual-cell battery monitoring
• Power tools with rechargeable battery packs
• Medical equipment with multi-cell battery systems
• Consumer electronics with lithium-based power sources

Procurement Notes

Verify the exact part number suffix when ordering, as variations such as +T indicate tape-and-reel packaging. Confirm RoHS compliance status and lead-free characteristics with the manufacturer or authorized distributor. Ensure compatibility with your system's voltage requirements and interface specifications before procurement.

Selection Notes

Select this component when dual-cell battery monitoring is required in a compact form factor. Consider the supported battery chemistries and operating voltage range relative to your application needs. Evaluate the fault protection features against your safety requirements and verify package compatibility with your PCB design constraints.

Part Context

This device belongs to Analog Devices' Maxim Integrated battery management portfolio, specifically designed for portable applications requiring reliable dual-cell monitoring. It complements other battery management solutions by providing cost-effective monitoring in a small footprint suitable for space-constrained designs.

Replacement Considerations

No publicly confirmed substitute part numbers are available for direct replacement consideration.