MAX34440ETLA1+T

Power Supply Controllers, Monitors Overview

The MAX34440ETLA1+T is a PMBus-compliant 6-channel power-supply manager and voltage monitor manufactured by Analog Devices Inc./Maxim Integrated. It operates within a supply voltage range of 2.7 V to 5.5 V and features programmable thresholds with 1% accuracy. The device monitors six inputs, supports active high/low and open-drain outputs, and includes a watchdog timer. It is housed in a TQFN-40 package and functions across an operating temperature range of -40°C to +85°C.

Power Supply Controllers, Monitors Feature Summary

• PMBus interface for digital configuration and monitoring
• Six-channel input supervision with programmable thresholds
• Integrated watchdog timer for system reliability

Power Supply Controllers, Monitors Applications

• Multi-rail server power systems
• Industrial equipment power management
• Telecommunications infrastructure monitoring

Power Supply Controllers, Monitors Procurement Notes

Verify the suffix 'T' indicates tape-and-reel packaging when ordering. Confirm RoHS compliance status via official documentation. Ensure the specific variant matches the required pinout and thermal characteristics for the target PCB layout.

Power Supply Controllers, Monitors Selection Notes

Select this component for designs requiring centralized digital control of multiple power rails. The TQFN-40 package offers compact integration. Verify that the 6-channel capacity aligns with the system's voltage monitoring requirements before finalizing the design.

Power Supply Controllers, Monitors Part Context

This part belongs to the MAX34440 series of power-supply managers. It is designed for complex multi-voltage environments where precise supervision and communication are critical. The device integrates monitoring logic with a standard serial interface for easy system integration.

Power Supply Controllers, Monitors Replacement Considerations

Check for direct substitutes within the MAX34440 family or other Maxim power supervisors. Verify pin compatibility and software register mapping if replacing with similar PMBus devices.