MAX5981BETE+

$4.00

Description：IC CTRLR PD IEEE 802.3AF 16TQFN
Series：-
Mfr：Analog Devices Inc./Maxim Integrated
Package：Strip

SKU:27b4a5e19553 Category: Power Over Ethernet (PoE) Controllers Brand: Analog Devices Inc./Maxim Integrated

Consult the customer manager about the wholesale price.

consultation hotline：86-132-6715-2157

email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.

Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.

Product introduction

Product Detailed Parameters

Description：IC CTRLR PD IEEE 802.3AF 16TQFN
Series：-
Mfr：Analog Devices Inc./Maxim Integrated
Package：Strip
Type：Controller (PD)
Number of Channels：1
Power - Max：25.5 W
Internal Switch(s)：Yes
Auxiliary Sense：Yes
Standards：802.3at (PoE+), 802.3af (PoE)
Voltage - Supply：36.6V ~ 60V
Current - Supply：270µA
Operating Temperature：-40°C ~ 85°C
Mounting Type：Surface Mount
Package / Case：16-WQFN Exposed Pad
Supplier Device Package：16-TQFN (5x5)

Download product information

MAX5981BETE+

Overview

The MAX5981BETE+ is a Powered Device (PD) interface controller compliant with IEEE 802.3af and 802.3at standards for Power over Ethernet (PoE) applications. It operates within an input voltage range of 37.5 V to 57 V, supporting Class 0 through Class 4 power classification levels. The device features integrated high-voltage MOSFETs for load switching and includes comprehensive protection mechanisms such as overvoltage, undervoltage, and thermal shutdown. Packaged in a TQFN-16 format, it ensures reliable operation across industrial temperature ranges.

Feature Summary

IEEE 802.3af/at compliant PD interface control
Integrated high-voltage load switch
Multi-class power detection support

Applications

Power over Ethernet endpoints
VoIP telephones
Wireless access points
Network surveillance cameras

Procurement Notes

Verify component authenticity through authorized Analog Devices distributors or certified partners. Request official datasheets and RoHS compliance certificates prior to purchase. Confirm package integrity and pinout alignment against the TQFN-16 specification. Validate supply chain documentation to ensure traceability and avoid counterfeit components in critical infrastructure deployments.

Selection Notes

Select this controller for designs requiring strict adherence to IEEE 802.3af/at PoE standards. Ensure the system architecture supports the required input voltage window and class-based power negotiation. Evaluate thermal management requirements given the integrated MOSFET dissipation. Verify compatibility with downstream DC-DC converters for efficient power delivery to the application load.

Part Context

Part of the Maxim Integrated MAX5981 family, designed specifically for PoE powered devices. It simplifies design by integrating detection, classification, and switching functions into a single compact solution. The series supports various power classes to accommodate diverse network equipment power requirements efficiently.