MAX34440ETL+

Power Supply Controllers, Monitors Overview

The MAX34440ETL+ is a PMBus-compliant 6-channel power-supply manager and system monitor housed in a TQFN-40 package. It features programmable thresholds, 1% accuracy voltage monitoring, and a watchdog timer. Operating from 2.7V to 5.5V with 8mA supply current, it supports active high/low and open-drain outputs within -40°C to +85°C.

Power Supply Controllers, Monitors Feature Summary

• PMBus-compliant command interface for configuration and monitoring
• Six-channel voltage monitoring with programmable thresholds
• Integrated watchdog timer and fault detection capabilities

Power Supply Controllers, Monitors Applications

• Server infrastructure power management
• Industrial control systems
• Base station equipment

Power Supply Controllers, Monitors Procurement Notes

Verify component authenticity through authorized Analog Devices channels due to limited availability status. Confirm RoHS compliance and specific suffix designations against official datasheets prior to integration. Ensure thermal performance aligns with the specified operating temperature range during final assembly validation.

Power Supply Controllers, Monitors Selection Notes

Select this component when six independent voltage rails require centralized supervision via a digital interface. The TQFN-40 package suits space-constrained designs needing robust fault logging. Verify that the required output logic levels match the available active high, low, or open-drain configurations for seamless system integration.

Power Supply Controllers, Monitors Part Context

Part of the MAX34440 series supervisory circuits designed for complex multi-rail environments. It integrates nonvolatile fault logging and default configuration settings to simplify system recovery. The device eliminates external clocking requirements while providing precise margining and sequencing control.

Power Supply Controllers, Monitors Replacement Considerations

Consult official cross-reference lists for verified substitutes. Generic equivalents may lack PMBus compatibility or specific channel counts.