MAX6431MRUS+

Overview

The MAX6431MRUS+ is a low-power battery monitor designed for single or dual-level cell supervision. It supports multi-chemistry batteries including lithium-ion, NiMH, and lead-acid. The device monitors two series-connected cells with voltage monitoring up to 10V. It provides accurate state of charge estimation and includes hysteresis features for stable operation.

Feature Summary

• Multi-chemistry battery support
• Two-cell monitoring capability
• Accurate state of charge estimation

Applications

• Industrial power systems
• Automotive battery management
• Renewable energy applications

Procurement Notes

Verify the component authenticity by checking the manufacturer's marking code against official datasheets. Ensure the package type matches the MRUS specification. Confirm that the '+ ' suffix indicates lead-free compliance as per standard Maxim Integrated naming conventions. Cross-reference the part number with authorized distributors to avoid counterfeit products.

Selection Notes

Select this component when monitoring two series-connected cells in multi-chemistry environments. It is suitable for applications requiring accurate state of charge estimation without complex processing. Consider its low-power consumption for battery-operated devices. Verify voltage monitoring limits align with system requirements.

Part Context

This part belongs to the MAX6427–MAX6432 family of battery monitors. These components are engineered for alkaline, NiCd, and NiMH applications. The MAX6431 variant specifically targets dual-cell monitoring scenarios. It shares common interface characteristics with other parts in the series.

Replacement Considerations

Public confirmed substitute part numbers include MAX6431ORUS+. Verify pin compatibility and electrical specifications before substitution.