MAX34451ETN+

Power Supply Controllers, Monitors Overview

The MAX34451ETN+ is a System Management Microcontroller and Voltage Monitor manufactured by Analog Devices Inc./Maxim Integrated. It features a TQFN-56 package with a threshold voltage of 2.048 V and monitors 12 inputs. The device provides Active Low, Open Drain outputs without manual reset capability and includes a Watchdog timer. Operating on a power supply between 3 V and 3.6 V, it draws 18 mA and dissipates 2.2222 W. The component functions within a temperature range of -40°C to +85°C.

Power Supply Controllers, Monitors Feature Summary

• Integrates system management microcontroller capabilities with voltage monitoring functions for comprehensive power supervision.
• Monitors up to twelve distinct input channels simultaneously to ensure accurate status tracking across multiple rails.
• Incorporates a built-in watchdog timer to enhance system reliability and prevent software lockups.

Power Supply Controllers, Monitors Applications

• Multi-rail power supply monitoring in industrial systems
• System health supervision in embedded computing platforms
• Voltage threshold detection in server infrastructure

Power Supply Controllers, Monitors Procurement Notes

Verify the specific suffix ETNA3+ against the requested model ETN+. Distributor listings indicate restricted availability or discontinuation for related variants. Confirm RoHS compliance details and current stock status directly with authorized suppliers before ordering, as supply constraints may affect lead times.

Power Supply Controllers, Monitors Selection Notes

Select this component when a combined microcontroller and voltage monitor solution is required for multi-input supervision. Ensure the 3 V to 3.6 V operating range aligns with the target system power rails. Verify that the TQFN-56 package dimensions fit the PCB layout constraints and that the 12-input capacity meets the design requirements.

Power Supply Controllers, Monitors Part Context

This part belongs to the MAX34451 series of supervisory circuits designed for complex power management applications. It falls under the PMIC category, specifically serving as a voltage monitor and system management unit. The series is intended for environments requiring robust oversight of multiple voltage levels within a compact form factor.

Power Supply Controllers, Monitors Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing board designs if considering alternative supervisory ICs from the same manufacturer family.