MAX6464XR29+T

Supervisors Overview

The MAX6464XR29+T is a single-channel ultra-low-power voltage monitor from the MAX6461–MAX6466 family, manufactured by Analog Devices Inc./Maxim Integrated. It operates within a supply voltage range of 1V to 6V and features a fixed threshold voltage of 2.9V. The device provides an active low, push-pull output with a typical reset delay time of 150ms. It consumes only 3.5µA of quiescent current and maintains accuracy within 2.5%. Designed for surface-mount installation in SC-70-3 packages, it functions reliably across an industrial temperature range of -40°C to +125°C without requiring manual reset or watchdog timer functionality.

Supervisors Feature Summary

• Ultra-low power consumption with 3.5µA operating current
• Fixed internal threshold voltage setting eliminates external components
• Active low push-pull output driver for direct microprocessor interfacing
• Internal 5% hysteresis prevents output chatter during threshold transitions

Supervisors Applications

• Battery-powered portable equipment monitoring
• Microprocessor system power supervision
• Handheld instrument voltage tracking
• Embedded controller reset generation

Supervisors Procurement Notes

Verify the specific suffix 'XR' indicates the SC-70-3 package variant when sourcing. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Check current availability as distribution channels may report limited stock for this specific part number. Ensure the 2.9V threshold matches the target system voltage requirements exactly.

Supervisors Selection Notes

Select this component when a fixed 2.9V trip point is required for systems operating between 1V and 6V. The SC-70-3 package offers space efficiency compared to larger SOT-23 options. Choose this over adjustable variants if external resistor networks are undesirable. Verify that the 150ms reset timeout aligns with the target processor's startup timing constraints.

Supervisors Part Context

This device belongs to the MAX6461–MAX6466 family of supervisory circuits designed for monitoring battery and system voltages. The MAX6464 sub-series specifically includes a minimum reset timeout period of 150ms, distinguishing it from the faster MAX6461/MAX6462/MAX6463 detectors. The family utilizes precision bandgap references and internally trimmed resistor networks to ensure reliable operation without external adjustments.

Supervisors Replacement Considerations

Publicly confirmed substitute part numbers for this specific configuration are not available in the provided documentation.