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Home > Products > Integrated Circuits (ICs) > Power Management (PMIC) > Power Over Ethernet (PoE) Controllers

Microchip Technology PD69200R-034900-TR

Name: PD69200R-034900-TR
Brand: Microchip Technology
SKU: PD69200R-034900-TR
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: PD69200R-034900-TR

Manufacturer:: Microchip Technology

Category:: Power Over Ethernet (PoE) Controllers

Package:: 32-VFQFN Exposed Pad

Datasheet:: PD69200R-034900-TR.pdf

Description:: MCU

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Product details

Overview

PD69200R-034900-TR from Microchip Technology is a Power over Ethernet (PoE) Power Sourcing Equipment (PSE) controller IC designed to manage IEEE 802.3af/at/bt and HDBaseT PoH compliant power delivery across up to 48 logical ports via cascade architecture. It integrates firmware supporting Class, Dynamic, and Static power management modes, delivers up to 90 W per four-pair port, and operates within –40 °C to +85 °C ambient range in a 32-pin QFN package.

For engineers reviewing the PD69200R-034900-TR datasheet, PD69200R-034900-TR pinout, PD69200R-034900-TR application, or PD69200R-034900-TR equivalent, key selection considerations include its SPI/I2C/UART host interface flexibility, 16-power-bank support, legacy detection capability, LED stream control for status indication, and compatibility with PD69208T4/PD69204T4/PD69208M PoE managers.

Technical Context

The PD69200R-034900-TR implements a hierarchical PSE architecture where it acts as the system-level controller coordinating multiple PD6920x PoE managers via 1 MHz SPI bus. Its firmware-pre-programmed and field-upgradeable over I2C or UART-supports IEEE 802.3bt four-pair power classification and HDBaseT PoH timing requirements.

It features dual communication paths: dedicated ESPI bus (ESPI_xCS, ESPI_SCK, ESPI_MOSI, ESPI_MISO) for manager coordination, and independent host interfaces (UART0_RX/TX, I2C0_SCL/SDA) with configurable I2C address selection via analog voltage on pin #22 (I2C_ADDR_MEAS). System-level signaling includes xINT_OUT for event interrupts and xSys_OK for validity indication.

Key Specifications

Parameter	Value and Actual Design Meaning
IEEE Standards	Complies with 802.3af, 802.3at, 802.3bt, and HDBaseT PoH - enables interoperable high-power PoE deployment across legacy and next-gen infrastructure.
Max Port Power	90 W per four-pair port - supports full Type 6 PoE+ (802.3bt) operation with two 45 W pairs or single 90 W four-pair delivery.
Port Scalability	Cascades up to 12 PoE devices for 48 logical ports - eliminates need for external multiplexing logic in large-scale switches/routers.
Power Management	Three modes: Class (LLDP), Dynamic, Static - allows runtime adaptation to PD class negotiation, real-time load sensing, or fixed allocation.
Supply Voltage	VDD = 3.0–3.63 V (typical 3.3 V) - compatible with standard LDOs and PMIC rails in telecom and enterprise networking equipment.
Operating Temp	–40 °C to +85 °C - qualified for industrial-grade Ethernet switch deployments including outdoor enclosures and DIN-rail systems.
Package	32-pin QFN, 5 mm × 5 mm - surface-mount footprint with exposed thermal pad (ePAD) enabling efficient heat dissipation in dense PoE chassis designs.

Pinout & Package

PD69200R-034900-TR is housed in a 32-pin, 5 mm × 5 mm QFN package with an exposed thermal pad (ePAD) requiring connection to VSSA for thermal performance. The package meets MSL3 and RoHS compliance standards.

Pin/Terminal	Circuit Role	Design Meaning
1–2, 9, 14, 17–18, 23, 29	Reserved / Analog_IN / Oscillator	Factory-reserved pins; some require pull-up/pull-down or tie to 3.3 V/GND per AN3361 - must not be left floating in production layout.
3–6 (ESPI_xCS, ESPI_SCK, ESPI_MOSI, ESPI_MISO)	ESPI Bus Interface	Primary control path to PD69208T4/PD69204T4/PD69208M managers at 1 MHz - enables synchronized port power sequencing and telemetry aggregation.
11–12 (UART0_RX, UART0_TX)	UART Host Interface	19.2 kbps bidirectional command/reply channel using 15-byte protocol - used for diagnostics, configuration, and firmware updates without SPI dependency.
20–21 (I2C0_SCL, I2C0_SDA)	I2C Host Interface	400 kHz I2C bus with clock stretch support - provides alternate low-pin-count host interface with configurable address via analog input on pin #22.
22 (I2C_ADDR_MEAS)	Analog Address Selector	Voltage-controlled I2C address or UART mode selection - sets one of 16 I2C addresses (0x4 to 0x3C) or forces UART operation based on resistor divider.
24–25 (xI2C_MESSAGE_READY, xINT_OUT)	Host Synchronization Signals	Active-low handshake lines - xI2C_MESSAGE_READY indicates ready-to-read response; xINT_OUT flags preconfigured events (e.g., port fault, overtemp).
26–28 (xLED_CS, xLED_LATCH, xLED_OE)	LED Stream Control	Three-signal interface driving serial LED status arrays - enables per-port visual indication without GPIO expansion or external shift registers.
30 (FAN_CONTROL)	Fan Driver Output	Active-high logic output - directly drives fan controllers or optocouplers for thermal management in PoE-powered chassis.
31 (xDISABLE_PORTS)	Global Port Shutdown	Active-low hardware kill switch - immediately disables all PoE ports during emergency conditions or maintenance without software intervention.
32 (xSys_OK/LED)	System Validity Indicator	Active-low open-drain output - signals overall system health; configurable via software mask to reflect firmware boot status or critical fault conditions.

Key Features

Feature	Design Value
IEEE 802.3bt & PoH Compliance	Enables full 90 W four-pair power delivery and HDBaseT timing alignment - required for powering high-end IP cameras, wireless APs, and thin clients over single Ethernet cables.
16-Power Bank Architecture	Supports up to four independent power supplies with granular per-bank current limiting - simplifies redundant PSU integration and improves system-level power budgeting accuracy.
Legacy Detection Support	Identifies non-standard PDs (e.g., pre-802.3af devices) using signature resistance and current draw - ensures backward compatibility without compromising safety or classification integrity.
Fast & Perpetual PoE	Reduces detection-to-power-on time to <300 ms and maintains continuous power during transient link flaps - prevents disruption to VoIP phones, access control systems, and IoT sensors.
Field-Upgradeable Firmware	Firmware updated via I2C or UART without reprogramming hardware - allows post-deployment feature enhancements, bug fixes, and standards updates (e.g., future 802.3bu support).
LED Stream Interface	Serial LED control using three dedicated pins - eliminates need for external LED drivers or microcontroller GPIO expansion in multi-port PoE switches.

Applications

Enterprise Switching	Industrial PoE Hub
Use Scenario: 48-port managed Ethernet switch delivering PoE++ to IP surveillance cameras, wireless access points, and VoIP phones in office buildings. IC Role / Device Role / Timing Role: Central PSE controller managing up to 12 PD69208T4 managers, enforcing IEEE 802.3bt power budgets, and reporting port status via I2C to host CPU. Use Value: Enables deterministic 90 W power allocation per port while maintaining LLDP-based Class negotiation and dynamic load monitoring across all 48 ports.	Use Scenario: DIN-rail mounted PoE hub powering ruggedized IP cameras and sensors in factory automation environments with wide temperature swings. IC Role / Device Role / Timing Role: Standalone PSE controller operating without host CPU via pre-configured profiles, using xDISABLE_PORTS for emergency shutdown and FAN_CONTROL for thermal regulation. Use Value: Delivers robust operation from –40 °C to +85 °C with legacy detection for older industrial PDs and fast PoE recovery after brownouts.
Smart Building Controller	HDBaseT Media Distribution
Use Scenario: Integrated building management system supplying power and data to lighting controllers, occupancy sensors, and HVAC actuators over structured cabling. IC Role / Device Role / Timing Role: PSE controller coordinating with PD69208M managers to implement static power allocation per zone, using xINT_OUT to signal faults to BMS gateway. Use Value: Supports mixed-class PD deployment with precise per-port power capping and system-level energy reporting via UART telemetry.	Use Scenario: AV-over-IP distribution system delivering uncompressed video, audio, Ethernet, and 100 W PoH to displays and projectors via single CAT6 cable. IC Role / Device Role / Timing Role: PSE controller implementing HDBaseT PoH timing and power ramp profiles, synchronizing with PD69204T4 managers for low-jitter power delivery. Use Value: Meets HDBaseT Alliance PoH specification for zero-latency power enablement and seamless hot-plug detection of display endpoints.

Enterprise Switching

Industrial PoE Hub

Use Scenario: 48-port managed Ethernet switch delivering PoE++ to IP surveillance cameras, wireless access points, and VoIP phones in office buildings.

IC Role / Device Role / Timing Role: Central PSE controller managing up to 12 PD69208T4 managers, enforcing IEEE 802.3bt power budgets, and reporting port status via I2C to host CPU.

Use Value: Enables deterministic 90 W power allocation per port while maintaining LLDP-based Class negotiation and dynamic load monitoring across all 48 ports.

Use Scenario: DIN-rail mounted PoE hub powering ruggedized IP cameras and sensors in factory automation environments with wide temperature swings.

IC Role / Device Role / Timing Role: Standalone PSE controller operating without host CPU via pre-configured profiles, using xDISABLE_PORTS for emergency shutdown and FAN_CONTROL for thermal regulation.

Use Value: Delivers robust operation from –40 °C to +85 °C with legacy detection for older industrial PDs and fast PoE recovery after brownouts.

Smart Building Controller

HDBaseT Media Distribution

Use Scenario: Integrated building management system supplying power and data to lighting controllers, occupancy sensors, and HVAC actuators over structured cabling.

IC Role / Device Role / Timing Role: PSE controller coordinating with PD69208M managers to implement static power allocation per zone, using xINT_OUT to signal faults to BMS gateway.

Use Value: Supports mixed-class PD deployment with precise per-port power capping and system-level energy reporting via UART telemetry.

Use Scenario: AV-over-IP distribution system delivering uncompressed video, audio, Ethernet, and 100 W PoH to displays and projectors via single CAT6 cable.

IC Role / Device Role / Timing Role: PSE controller implementing HDBaseT PoH timing and power ramp profiles, synchronizing with PD69204T4 managers for low-jitter power delivery.

Use Value: Meets HDBaseT Alliance PoH specification for zero-latency power enablement and seamless hot-plug detection of display endpoints.

Equivalent & Alternatives

The following parts are listed as comparable options for similar PoE PSE controller applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
PD69220-034900-TR	Pin-compatible with identical feature set; newer SAM D21-based silicon; higher firmware update frequency and extended lifecycle support.	Recommended for new designs requiring long-term availability and enhanced debug capabilities via SWD interface.	Select PD69220-034900-TR when initiating new product development or seeking extended manufacturing support beyond 2027.
PD69210-034900-TR	Also SAM D21-based but optimized for cost-sensitive 8/16-port systems; lacks LED stream interface and reduces power bank count to 8.	Suitable for compact PoE injectors or midspan adapters where full 48-port scalability and LED status are unnecessary.	Choose PD69210-034900-TR for entry-level PoE solutions prioritizing BOM cost reduction over cascading depth and visual status feedback.

Compared with PD69200R-034900-TR, PD69220-034900-TR offers identical functionality with improved long-term roadmap alignment, while PD69210-034900-TR trades scalability and LED control for lower unit cost - making the original PD69200R-034900-TR optimal for sustaining existing IEEE 802.3bt-compliant designs with mature firmware integration.

Availability

PD69200R-034900-TR is available at Aetrix Electronics and suitable for enterprise switching, industrial PoE hubs, smart building controllers, and HDBaseT media distribution systems requiring stable component supply and long-lifecycle assurance.

Supply support for PD69200R-034900-TR includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Microchip Technology Inc. is a global provider of microcontrollers, analog, FPGA, and connectivity solutions, with leadership in embedded control and power management semiconductors.

The PD69200R-034900-TR belongs to Microchip's PoE PSE Controller product line, engineered specifically for scalable, standards-compliant Power over Ethernet infrastructure in enterprise, industrial, and AV applications.

FAQ

What is the primary function of the PD69200R-034900-TR in a PoE system?

The PD69200R-034900-TR serves as the central Power Sourcing Equipment (PSE) controller in IEEE 802.3af/at/bt and HDBaseT PoH systems. It coordinates multiple PD6920x PoE managers via SPI, enforces power budgets, performs device detection and classification, and reports port status to the host. Its role is system-level orchestration-not direct power switching-making PD69200R-034900-TR essential for intelligent, scalable PoE infrastructure.

Does the PD69200R-034900-TR support firmware updates in the field?

Yes, the PD69200R-034900-TR supports field-upgradeable firmware via its I2C or UART interface using the 15-byte protocol. Updates can be performed without removing the device from the PCB, enabling post-deployment enhancements such as new power profiles, bug fixes, or expanded standard compliance (e.g., future IEEE amendments). The firmware version is encoded in the part number suffix, and Microchip provides configuration tools for profile modification.

How does the PD69200R-034900-TR handle legacy PoE devices that do not comply with IEEE standards?

The PD69200R-034900-TR includes built-in legacy detection support, allowing it to identify non-standard Powered Devices (PDs) by measuring signature resistance and current draw patterns. This capability ensures safe power delivery to pre-802.3af devices like early VoIP phones or analog cameras without risking damage or violating safety protocols-maintaining interoperability while preserving full IEEE-compliant operation for modern PDs.

Can the PD69200R-034900-TR operate without a host microprocessor?

Yes, the PD69200R-034900-TR can operate in standalone mode using pre-programmed default profiles stored in internal firmware. In this configuration, it manages PoE port power autonomously based on configured parameters (e.g., static power limits, priority settings), with status indicated via xINT_OUT and xSys_OK signals. Host communication via UART or I2C remains optional for advanced configuration and telemetry.

What thermal design considerations apply to the PD69200R-034900-TR package?

The PD69200R-034900-TR uses a 32-pin QFN package with an exposed thermal pad (ePAD) that must be soldered to a solid copper plane connected to VSSA. Its junction-to-ambient thermal resistance (θJA) is 33 °C/W, and junction-to-case (θJC) is 1.8 °C/W. To maintain reliability under full 48-port operation, PCB layout must follow Microchip's recommended thermal pad array (65–80% solder coverage, no solder on thermal vias) and use a 5-mil stencil per AN3361.

PD69200R-034900-TR Specifications

Product attributes: Attribute value

Manufacturer:: Microchip Technology

Series:: -

Package/Case:: 32-VFQFN Exposed Pad

Packaging:: Tape & Reel (TR)

Product Status:: Obsolete

Type:: Controller (PSE)

Number of Channels:: 48

Power - Max:: 90 W

Internal Switch(s):: No

Auxiliary Sense:: Yes

Standards:: 802.3at (PoE+), 802.3af (PoE), 802.3bt

Voltage - Supply:: 3V ~ 3.63V

Current - Supply:: -

Operating Temperature:: -40°C ~ 85°C (TA)

Mounting Type:: Surface Mount

Supplier Device Package:: 32-QFN (5x5)

PD69200R-034900-TR FAQ

1.How can I place an order for PD69200R-034900-TR through Aetrix?

Please submit a Request for Quotation (RFQ) for PD69200R-034900-TR on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for PD69200R-034900-TR reliable?

The price and inventory of PD69200R-034900-TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PD69200R-034900-TR is usually 5 days.

3.What payment methods are accepted for PD69200R-034900-TR?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PD69200R-034900-TR transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for PD69200R-034900-TR?

PD69200R-034900-TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your PD69200R-034900-TR order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for PD69200R-034900-TR?

For technical support, including PD69200R-034900-TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PD69200R-034900-TR requirements.

6.How does Aetrix verify that PD69200R-034900-TR is sourced from the original manufacturer or authorized distributors?

All PD69200R-034900-TR products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that PD69200R-034900-TR meets industry standards.

7.What is the process for return or replacement of PD69200R-034900-TR?

All PD69200R-034900-TR units undergo pre-shipment inspection (PSI). If there is an issue with PD69200R-034900-TR, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The PD69200R-034900-TR part is unused and in its original packaging.

Return procedure for PD69200R-034900-TR:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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