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PD81101 - RPF PSE Manager

Key Features

  • This section lists the main features and benefits of the PD81101 and PD81000 chipset.
  • DPU detection and classification in the presence of MELT signatures, according to ETSI TS 101 548.
  • Foreign DC voltage detection.
  • Off-Hook phone detection and line disconnection.
  • Support for error lineconditions.
  • I2C communication with CPE host.
  • Supports signaling indication to DPU through RPF voltage modulation (DGL/ACM/BAT).
  • PD81000.
  • progr.

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Full PDF Text Transcription (Reference)

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RPF PSE Manager PD81101 Introduction Microchip's PD81101 Reverse Power Feeding (RPF) manager is a mixed-signal, high-voltage IC, which integrates power, analog, and logic into a single 56-pin, plastic QFN package. It allows Customer Premises Equipment (CPE) devices and Distribution Point Units (DPU) to share and deliver power and data over the same cable. Microchip's PD81000 RPF controller is a cost-effective, re-programmed Micro-Controller Unit (MCU) designed to support monitor and control of RPF features, implemention of RPF macros required to perform line analysis, safe power feeding, and disconnection of ports in case of error, all with minimum external components.