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Product Detailed Parameters
- Description：PD81000 RPF MCU P2.73.01
- Series：PowerDsine®
- Mfr：Microchip Technology
- Package：Tray
- Type：Controller (PSE)
- Number of Channels：-
- Power - Max：-
- Internal Switch(s)：No
- Auxiliary Sense：No
- Standards：-
- Voltage - Supply：-
- Current - Supply：-
- Operating Temperature：-
- Mounting Type：Surface Mount
- Package / Case：32-TFQFN Exposed Pad
- Supplier Device Package：32-QFN (5x5)
Download product information
Overview
The PD81000-028103 is a Power over Ethernet (PoE) controller manufactured by Microchip Technology. It functions as a re-programmable Microcontroller Unit (MCU) designed to manage Reverse Power Feeding (RPF) features within PoE and LAN power distribution systems. The device integrates power, analog, and logic capabilities into a single package, serving as a cost-effective solution for monitoring and controlling RPF operations in network infrastructure applications.
Feature Summary
- Integrates power, analog, and logic functions into a single mixed-signal IC
- Functions as a re-programmable MCU for managing Reverse Power Feeding (RPF)
- Designed for monitoring and control of RPF features in PoE systems
Applications
- Power over Ethernet (PoE) controllers
- LAN power distribution applications
- Reverse Power Feeding (RPF) management
Procurement Notes
Verify the specific firmware version and ordering suffix against official Microchip documentation to ensure compatibility with your system requirements. Confirm that the component is sourced from authorized distributors to guarantee authenticity and traceability. Check for any recent updates to the datasheet regarding pinout or electrical characteristics before finalizing procurement decisions.
Selection Notes
Select this component when designing systems requiring dedicated hardware support for Reverse Power Feeding (RPF) protocols. It is suitable for engineers needing a programmable MCU specifically optimized for PoE power switching and monitoring tasks. Consider its integration of analog and logic blocks if space-saving and reduced component count are critical design constraints.
Part Context
This part belongs to the PD81000 series of PoE controllers from Microchip Technology. The series includes variants such as the PD81101, which also supports RPF management. These components are part of Microchip's portfolio aimed at simplifying network power delivery designs through integrated mixed-signal solutions.
Replacement Considerations
Consult official Microchip substitution guides for verified alternatives. Ensure any replacement maintains compatibility with existing RPF firmware and hardware interfaces.
