MAX5982CETE+T

$9.88

Description：IC POE CNTRL 1 CHANNEL 16TQFN
Series：-
Mfr：Analog Devices Inc./Maxim Integrated
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:34af4d512b1a Category: Power Over Ethernet (PoE) Controllers Brand: Analog Devices Inc./Maxim Integrated

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Product introduction

Product Detailed Parameters

Description：IC POE CNTRL 1 CHANNEL 16TQFN
Series：-
Mfr：Analog Devices Inc./Maxim Integrated
Package：Tape & Reel (TR),Cut Tape (CT)
Type：Controller (PD)
Number of Channels：1
Power - Max：70 W
Internal Switch(s)：Yes
Auxiliary Sense：Yes
Standards：802.3at (PoE+), 802.3af (PoE)
Voltage - Supply：36.6V ~ 60V
Current - Supply：250µA
Operating Temperature：-40°C ~ 85°C
Mounting Type：Surface Mount
Package / Case：16-WQFN Exposed Pad
Supplier Device Package：16-TQFN (5x5)

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MAX5982CETE+T

Overview

The MAX5982CETE+T is a Hot Swap Voltage Controller designed for IEEE 802.3af/at-compliant Powered Device applications. It integrates a PD interface with an efficient DC-DC converter, supporting up to 70W power delivery. The device operates within a wide input voltage range of 31V to 60V and features a TQFN-16 package. Key electrical characteristics include a maximum inrush current limit of 60mA and an operating current limit of 323mA. It utilizes peak current-mode control for fast transient response.

Feature Summary

Integrates PD interface with detection and classification signatures using a single external resistor
Includes isolation power MOSFET with defined inrush and operating current limits
Features integrated step-down DC-DC converter with peak current-mode control
Supports sleep and ultra-low power modes for energy efficiency

Applications

IEEE 802.3af-compliant Powered Devices
IEEE 802.3at Power-over-Ethernet systems
Class 1/Class 2 PD implementations
Network equipment requiring integrated power management

Procurement Notes

Verify the specific suffix against official Analog Devices documentation to confirm pinout and functional compatibility. Confirm RoHS compliance status through manufacturer certificates. Check current lifecycle status as distribution availability may vary. Ensure the source document explicitly identifies this part number before procurement planning.

Selection Notes

Select this component for designs requiring integrated PoE power switching and regulation. It simplifies architecture by combining PD interface and DC-DC conversion. Verify input voltage ranges match the network infrastructure. Evaluate thermal performance within the TQFN-16 package constraints for the intended power load.

Part Context

This controller belongs to the MAX5982 series from Maxim Integrated, now part of Analog Devices. The series focuses on high-efficiency Power-over-Ethernet solutions. It addresses the need for low external part counts in modern network devices while maintaining compliance with evolving IEEE standards for powered endpoints.