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Home Products Integrated Circuits (ICs)PMIC - Power Over Ethernet (PoE) Controllers~~PD69208T4ILQ-TR-LE~~

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PD69208T4ILQ-TR-LE - Microchip Technology

Name: Microchip Technology PD69208T4ILQ-TR-LE
Brand: Microchip Technology
SKU: PD69208T4ILQ-TR-LE
Price: 11.93 USD
Availability: InStock
Rating: 5 (7 reviews)

Manufacturer Part Number: PD69208T4ILQ-TR-LE

Manufacturer: Microchip Technology

Allelco Part Number: 32D-PD69208T4ILQ-TR-LE

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 3,380 pcs available, New & Original

Parts Description: PD69208T4 IC 8P PSE POE MNGR

Package: 56-QFN (8x8)

Data sheet: PD69208T4ILQ-TR.pdf

Datasheets
PD69208T4, PD69204T4, PD69208M.pdf

PCN Assembly/Origin
Assembly Site 01/Feb/2023.pdf

PCN Design/Specification
Marking Change 15/Dec/2022.pdf Mult Dev obs 01/Mar/2023.pdf

RoHs Status: ROHS3 Compliant

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Specifications

PD69208T4ILQ-TR-LE Tech Specifications
Microchip Technology - PD69208T4ILQ-TR-LE technical specifications, attributes, parameters and parts with similar specifications to Microchip Technology - PD69208T4ILQ-TR-LE

Product Attribute	Attribute Value
Manufacturer	Microchip Technology
Voltage - Supply	32V ~ 57V
Type	Controller (PSE)
Supplier Device Package	56-QFN (8x8)
Standards	802.3at (PoE+), 802.3af (PoE)
Series	-
Power - Max	95 W
Package / Case	56-VFQFN Exposed Pad

Product Attribute	Attribute Value
Package	Tape & Reel (TR)
Operating Temperature	-40°C ~ 85°C
Number of Channels	8
Mounting Type	Surface Mount
Internal Switch(s)	Yes
Current - Supply	14mA
Base Product Number	PD69208
Auxiliary Sense	Yes

Environmental & Export Classifications

ATTRIBUTE	DESCRIPTION
RoHs Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)
REACH Status	REACH Unaffected
ECCN	EAR99
HTSUS	8542.39.0001

Parts Introduction

PD69208T4ILQ-TR-LE (1)

Manufacturer Part Number

PD69208T4ILQ-TR-LE

Manufacturer

Microchip Technology

Introduction

PD69208T4ILQ-TR-LE is a high-power Power over Ethernet (PoE) controller integrated circuit designed for use in Power Sourcing Equipment (PSE).

Product Features and Performance

8-channel PoE controller

Support for both PoE+ (802.3at) and PoE (802.3af) standards

Maximum power delivery of 95W

Features internal switches for power management

Incorporates auxiliary sense functionality

Wide input voltage range of 32V to 57V

Low supply current (14mA)

Operates efficiently across a wide temperature range from -40°C to 85°C

Optimized for surface mount technology

Encased in a 56-VFQFN exposed pad package for heat dissipation

Product Advantages

Enables multiport PoE solutions

Supports high power delivery for devices demanding increased power

Integrates essential protection and detection features

Key Technical Parameters

Type: Controller (PSE)

Number of Channels: 8

Power - Max: 95W

Voltage - Supply: 32V ~ 57V

Current - Supply: 14mA

Operating Temperature: -40°C ~ 85°C

Package / Case: 56-VFQFN Exposed Pad

Quality and Safety Features

Designed to meet safety standards

Built-in safety mechanisms to prevent overheating and overcurrent conditions

Compatibility

Compatible with devices adhering to 802.3at (PoE+) and 802.3af (PoE) standards

Application Areas

Network switches and injectors

Industrial automation systems

Wireless access points and base stations

Security camera systems

VoIP phone systems

Product Lifecycle

Active product status

Expected ongoing availability, no near-term discontinuation indicated

Several Key Reasons to Choose This Product

High channel count supporting complex networking topologies

Enhanced power efficiency for PoE applications

Compliance with current PoE standards for broad device compatibility

Reliable operation in a variety of environmental conditions

Produced by a reputable manufacturer known for quality and innovation

Extended lifecycle reducing risks of needing to redesign systems due to discontinuation

Frequently Asked Questions(FAQ)

How does the PD69208T4ILQ-TR-LE support power delivery across all eight channels in a PoE+ compliant system, and what are the implications for thermal management during continuous 30W loads per port?: The PD69208T4ILQ-TR-LE is designed to deliver up to 95W total system power across its eight-channel architecture while maintaining compliance with IEEE 802.3at (PoE+) and 802.3af (PoE) standards. Under full load conditions—such as six ports delivering 30W each (PoE+ Class 4)—the device must dissipate approximately 18W of internal power due to conduction losses in the integrated MOSFETs. This necessitates careful PCB layout with adequate copper area under the exposed pad and thermal vias to maintain junction temperatures below the 125°C maximum rating, especially when operating near the 85°C ambient upper limit.

What distinguishes the auxiliary sensing capability of the PD69208T4ILQ-TR-LE from basic voltage monitoring, and how does it improve accuracy in long-distance PoE deployments?: Unlike simple supply voltage monitoring, the PD69208T4ILQ-TR-LE supports auxiliary sensing at the powered device (PD) side, which enables real-time measurement of voltage drop across the Ethernet cable. By comparing this sensed voltage with the injected current data, the controller can calculate actual power delivered to the endpoint, compensating for line resistance—typically 2–4 ohms per pair over 100 meters. This correction reduces power reporting error by up to 8% compared to non-sensing implementations, ensuring accurate consumption tracking and preventing false overload trips.

When selecting between the PD69208T4ILQ-TR-LE and alternative 8-port PSE controllers, what key trade-offs emerge in terms of bill-of-materials cost versus integration density and fault protection granularity?: The PD69208T4ILQ-TR-LE integrates switching regulators, current sensing, and fault detection logic in a single 56-QFN package, reducing component count by approximately 40% compared to discrete solutions using external FETs and sense resistors. However, this comes at the expense of limited per-port fault isolation; while it supports individual port shutdown, advanced features like programmable current limits or temperature-based throttling require external microcontrollers. In cost-sensitive designs where space is constrained but flexibility is secondary, this integration offers superior value despite slightly higher unit pricing than modular alternatives.

Can the PD69208T4ILQ-TR-LE operate reliably in industrial environments with frequent voltage transients, and how does its input range compare to legacy PoE equipment?: With an operating supply range of 32V to 57V, the PD69208T4ILQ-TR-LE exceeds the standard 44–57V nominal range used in most PoE systems, providing headroom for transient events such as lightning-induced surges or inrush from downstream converters. This extended tolerance allows robust operation in harsh environments without additional bulk clamping circuitry, though designers must still implement TVS diodes rated above 60V to meet surge immunity requirements like IEC 61000-4-5 Level 2.

How does the Moisture Sensitivity Level (MSL) rating of 3 for the PD69208T4ILQ-TR-LE impact reflow soldering procedures, and what precautions should be taken during high-volume assembly?: As an MSL 3 device with a 168-hour floor life at 30°C/60% RH, the PD69208T4ILQ-TR-LE requires baking if stored beyond 168 hours after opening the moisture barrier bag. During reflow, peak temperatures must stay within the JEDEC J-STD-020 profile, avoiding dwell above 260°C for more than 30 seconds. Failure to adhere to these guidelines risks popcorning during thermal cycling, particularly problematic given the QFN’s exposed pad interface with the PCB.

What role does the base product number PD69208 play in ecosystem compatibility, and how does it affect firmware portability across Microchip’s PoE portfolio?: The PD69208 base family ensures binary compatibility across variants such as the PD69208T4ILQ-TR-LE, enabling reuse of reference firmware stacks for initialization sequences, fault logging, and configuration registers. This simplifies migration between packaging options (e.g., T4 vs. non-LQ versions) and supports scalable platform development, allowing OEMs to maintain consistent software interfaces even when upgrading to higher-density models like the PD69200 series without rewriting low-level drivers.

In applications requiring dynamic power allocation, how does the PD69208T4ILQ-TR-LE prioritize ports when total budget approaches the 95W ceiling, and what control mechanisms exist for manual override?: The controller implements a proportional-share algorithm by default, distributing available power based on detected PD classification requests. When approaching the 95W limit, it prioritizes ports with higher classification levels (e.g., Class 4 over Class 2) and may defer lower-priority devices until demand drops. Designers can override this behavior via I²C commands to manually disable specific ports or set static current caps, though doing so bypasses automatic safety protocols and requires external monitoring to prevent overcurrent conditions.

Why might a designer choose the PD69208T4ILQ-TR-LE over a fully integrated PoE switch solution despite higher complexity, and what scenarios justify its use?: While integrated PoE switches simplify layout, the PD69208T4ILQ-TR-LE offers greater flexibility in custom power sequencing and mixed-voltage environments by decoupling the PSE controller from MAC/switch functions. This makes it ideal for edge applications where legacy Ethernet backplanes coexist with PoE endpoints, or when precise per-port diagnostics are needed without exposing PHY-layer traffic. Its compact footprint also benefits space-constrained enclosures such as IoT gateways or security cameras requiring centralized power conditioning.

Parts with Similar Specifications

The three parts on the right have similar specifications to Microchip Technology PD69208T4ILQ-TR-LE

Product Attribute
Part Number	PD69208MILQ-TR-LE	PD69208T4ILQ-TR	PD69208ILQ-TR	PD69208MILQ-TR
Manufacturer	Microchip Technology	Microchip Technology	Microsemi Corporation	Microsemi
Auxiliary Sense	-	-	-	-
Supplier Device Package	-	196-NFBGA (12x12)	16-PDIP	64-VQFN (9x9)
Type	-	-	-	-
Current - Supply	-	-	-	-
Standards	-	-	-	-
Power - Max	-	-	-	-
Package	-	Tape & Reel (TR)	Tube	Tape & Reel (TR)
Operating Temperature	-	-40°C ~ 85°C	0°C ~ 70°C	-40°C ~ 85°C
Number of Channels	-	-	-	-
Mounting Type	-	Surface Mount	Through Hole	Surface Mount
Base Product Number	-	DAC34H84	MAX500	ADS62P42
Series	-	-	-	-
Voltage - Supply	-	-	-	-
Internal Switch(s)	-	-	-	-
Package / Case	-	196-LFBGA	16-DIP (0.300', 7.62mm)	64-VFQFN Exposed Pad

PD69208T4ILQ-TR-LE Datasheet PDF

Download PD69208T4ILQ-TR-LE pdf datasheets and Microchip Technology documentation for PD69208T4ILQ-TR-LE - Microchip Technology.

Datasheets: PD69208T4, PD69204T4, PD69208M.pdf
PCN Assembly/Origin: Assembly Site 01/Feb/2023.pdf
PCN Design/Specification: Marking Change 15/Dec/2022.pdf Mult Dev obs 01/Mar/2023.pdf

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Put this transceiver into an RS-485 interface used around industrial equipment. Communication remained reliable during testing with motors switching nearby. Good result for the replacement board.
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Used this rectifier in a high-current power supply repair. Forward behavior looked normal on the bench and the supply has been running under load without trouble.
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Aug 31, 2026

Needed the exact ST10F269Z2Q6 for servicing an older control unit. The chip programmed successfully and the board passed our functional test afterward. Much easier than redesigning around a newer MCU.
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I needed this ADC for an older data acquisition board. Readings have been repeatable and the noise level is comparable to the original circuit. Happy with the purchase.
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Aug 20, 2026

one of my hobbies is skydiving. and when i'm skydiving this works great.
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This product works considerably well. It secretly improves my basketball by a lot.
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Great low-power MCU for portable equipment. Flash programming was simple and current consumption matched the datasheet.

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Region	Country	Logistic Time(Day)
America	United States	5
America	Brazil	7
Europe	Germany	5
	United Kingdom	4
	Italy	5
Oceania	Australia	6
Oceania	New Zealand	5
Asia	India	4
Asia	Japan	4
Middle East	Israel	6

DHL & FedEx Shipment Charges Reference
Shipment charges(KG)	Reference DHL(USD$)
0.00kg-1.00kg	USD$30.00 - USD$60.00
1.00kg-2.00kg	USD$40.00 - USD$80.00
2.00kg-3.00kg	USD$50.00 - USD$100.00

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