MAX34451ETNA3+T

Power Supply Controllers, Monitors Overview

The MAX34451ETNA3+T is a System Management Microcontroller and Voltage Monitor from Analog Devices, housed in a TQFN-56 package. It monitors up to 12 inputs with a threshold voltage of 2.048 V and features an active low open-drain output type. The device includes a watchdog timer and operates without manual reset functionality. It functions within a supply voltage range of 3 V to 3.6 V, drawing 18 mA of operating current. The component supports surface mount installation and operates between -40°C and +85°C.

Power Supply Controllers, Monitors Feature Summary

• Integrates system management microcontroller capabilities with multi-input voltage monitoring for comprehensive power supervision.
• Features a built-in watchdog timer to ensure system reliability and fault recovery without requiring manual intervention.
• Provides configurable monitoring for multiple input lines with defined threshold detection and open-drain signaling.

Power Supply Controllers, Monitors Applications

• Industrial control systems requiring multi-rail power supervision
• Telecommunications infrastructure equipment
• Server and storage subsystems

Power Supply Controllers, Monitors Procurement Notes

Verify the specific suffix 'T' against official documentation to confirm tape-and-reel packaging versus tube configuration, as datasheets may list standard tube packaging. Confirm RoHS compliance status and lead-free designation directly with the manufacturer or authorized distributors before procurement.

Power Supply Controllers, Monitors Selection Notes

Select this component when designing systems that require simultaneous monitoring of multiple voltage rails alongside integrated microcontroller logic. Ensure the 12-input capacity aligns with system requirements and that the 3V to 3.6V supply range matches the target platform's power architecture.

Power Supply Controllers, Monitors Part Context

This part belongs to the MAX34451 series of supervisory circuits designed for complex embedded environments. It combines voltage monitoring with system management functions, distinguishing it from simple reset controllers by offering programmable thresholds and watchdog capabilities within a compact TQFN footprint.

Power Supply Controllers, Monitors Replacement Considerations

Consult official cross-reference guides for direct pin-compatible alternatives. Verify functional equivalence regarding the 12-input monitoring count and watchdog specifications if substituting with other supervisory ICs from the same family or competitors.