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Microchip Technology EV46B51A LAN8720A PHY-PoE Daughter Board

Microchip Technology EV46B51A LAN8720A PHY-PoE Daughter Board powers the PIC32 WFI32E Curiosity Board (EV12F11A) through Power over Ethernet (PoE) instead of USB while facilitating the data transfer between the PIC32 WFI32E Curiosity Board and a Personal Computer (PC). The daughter board is comprised of two main sections. The first is an IEEE® 802.3at Type 2 compliant PoE Powered Devices (PD) based on the PD70201 PoE Controller. The PD uses a flyback DC-DC topology that delivers 5V and up to 3A current for use in demanding high-power end applications through the PIC32 WFI32E Curiosity Board. The second section is the data transfer based on a high-performance 10/100 Ethernet Transceiver LAN8720A PHY compliant with IEEE 802.3/802.3u (Fast Ethernet) and ISO 802-3/IEEE 902.3 (10BASE-T). These features allow fast and easy data transfer between the PC and PIC32 WFI32E Curiosity Board, enabling various IoT applications.

IEEE 802.3at Type 2 PoE Power Sourcing Equipment (PSE) or PoE Midspan powers the board through the RJ45 input connector. The load is PIC32 WFI32E Curiosity Board. The Microchip EV46B51A LAN8720A PHY-PoE Daughter Board is connected to the load through the dedicated socket J208 of the PIC32 WFI32E Curiosity Board, and two power cables from the 2-pin connector J2 of the EV46B51A LAN8720A PHY-PoE Daughter Board to the 2-pin connector J201 of PIC32 WFI32E Curiosity Board.

Features

  • High performance 10/100 Ethernet Transceiver
  • Compliant with
    • IEEE 802.3at (30W PoE)
    • IEEE 802.3/802.3u (Fast Ethernet)
    • ISO 802-3/IEEE 902.3 (10BASE-T)
  • Comprehensive flexPWR® technology
    • Variable I/O voltage capability
    • Low-power and standby modes of operation to minimize power consumption
  • Flexible power management architecture
  • IEEE 802.3at Type 2 compliant PoE
  • +5V/3A power output
  • Flyback topology
  • Output voltage connector
  • Onboard output power good LED indicators
  • Onboard AT detected LED indicator
  • -40°C to +50°C operating temperature range
  • RoHS compliant

Specifications

  • 42V to 57V input range
  • 4.8V to 5.25V output range
  • 3A maximum output current
  • 1500VRMS port isolation to input

Block Diagram

Block Diagram - Microchip Technology EV46B51A LAN8720A PHY-PoE Daughter Board

Overview

Microchip Technology EV46B51A LAN8720A PHY-PoE Daughter Board

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Publicado: 2023-05-08 | Actualizado: 2023-07-19