MAX6431NQUS+T

Overview

The MAX6431NQUS+T is a high-precision supervisory circuit manufactured by Analog Devices Inc./Maxim Integrated. It operates within a supply voltage range of 2.0V to 5.5V and features an adjustable reset threshold with 1% accuracy. The device provides active-low or active-high reset output, selectable via hardware pin configuration. It includes a manual reset input for system control and supports push-pull or open-drain output topologies. Designed for automotive applications, it meets AEC-Q100 qualification standards and functions reliably across an extended temperature range of -40°C to +125°C.

Feature Summary

• High-precision voltage monitoring with 1% threshold accuracy
• Configurable reset polarity and output drive topology
• Manual reset input capability for system control
• Automotive-grade reliability under AEC-Q100 standards

Applications

• Automotive electronic control units (ECUs)
• Battery-powered portable devices
• Industrial process control systems
• Embedded microprocessor supervision

Procurement Notes

Verify the component's authenticity through authorized distributors due to its automotive classification. Confirm that the suffix 'N' indicates non-standard packaging if required by specific manufacturing processes. Ensure compliance with RoHS directives as indicated by the '+' suffix. Check for obsolescence notices or lifecycle changes prior to final procurement decisions.

Selection Notes

Select this component when precise voltage monitoring is critical in automotive environments. Consider the adjustable threshold feature for custom voltage levels. Evaluate the manual reset input requirement against system architecture needs. Compare power consumption characteristics with other supervisory circuits for battery-operated applications.

Part Context

This part belongs to the MAX6431 family of supervisory circuits designed for reliable system management. It complements other Maxim Integrated products in power management and signal conditioning categories. The device integrates advanced monitoring capabilities into a compact package suitable for space-constrained designs.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.