MAX5984BETI+

$9.26

Description：SINGLE-PORT, 40W, IEEE 802.3AF/A
Series：-
Mfr：Analog Devices Inc./Maxim Integrated
Package：Tube

SKU:b8bda7a94f7a Category: Power Over Ethernet (PoE) Controllers Brand: Analog Devices Inc./Maxim Integrated

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Product introduction

Product Detailed Parameters

Description：SINGLE-PORT, 40W, IEEE 802.3AF/A
Series：-
Mfr：Analog Devices Inc./Maxim Integrated
Package：Tube
Type：Controller (PSE)
Number of Channels：1
Power - Max：40 W
Internal Switch(s)：Yes
Auxiliary Sense：No
Standards：802.3at (PoE+), 802.3af (PoE)
Voltage - Supply：32V ~ 60V
Current - Supply：2.5mA
Operating Temperature：-40°C ~ 85°C
Mounting Type：Surface Mount
Package / Case：28-WFQFN Exposed Pad
Supplier Device Package：28-TQFN (5x5)

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MAX5984BETI+

Overview

The MAX5984BETI+ is a single-port Power over Ethernet (PoE) Powered Device (PD) controller compliant with IEEE 802.3af and 802.3at standards. It operates within a supply voltage range of 32V to 60V and supports up to 40W of power delivery. The device integrates an internal switch and features programmable current limiting for precise power management. Designed for surface-mount installation in a 28-WFQFN package with an exposed pad, it ensures stable operation across industrial temperature ranges from -40°C to +85°C.

Feature Summary

Compliant with IEEE 802.3af/at PoE standards
Integrated internal power switch
Programmable current limiting protection
Supports up to 40W power transfer

Applications

Embedded communication systems
Single-port PoE powered devices
Network infrastructure equipment
IoT endpoint devices requiring PoE power

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and check for obsolescence notices. Ensure the specific suffix matches design requirements. Request official datasheets and test reports for validation before integration into production cycles.

Selection Notes

Select this component for applications requiring standardized PoE power reception without external switching components. Consider the thermal performance of the exposed pad package for high-power dissipation scenarios. Verify that the input voltage range aligns with the network injector capabilities. Evaluate pin compatibility if replacing legacy PD controllers.

Part Context

This part belongs to the Maxim Integrated portfolio, now integrated into Analog Devices Inc. following their acquisition. The MAX5984 series focuses on simplifying PoE PD design by combining control logic and power switching in a compact form factor. It targets developers seeking reliable, standards-compliant solutions for networked electronic devices.