EMI/EMC Compliant 10/100 Mbps Ethernet Brick with Fiber or Twisted Pair Interface Reference Design TIDA-00928 (ACTIVE)

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Key Document

Description

This ethernet brick reference design provides a simplified solution that eliminates the need to have multiple boards for copper or fiber interface. It uses a small form factor, low power 10/100 Mbps ethernet transceiver to reduce board size for a cost optimized and scalable solution with reduced power consumption in high temperature industrial applications. The DP83822 provides all physical layer functions needed to transmit and receive data over both standard twisted-pair cables or connect to an external fiber optic (SC or ST or SFP) transceiver. The design provides option to configure different power supply levels for Analog and IO supply using fixed or programmable LDOs. The brick is interfaced to TM4C129X TIVA™ MCU with internal MAC. The design is tested for radiated emission, ESD and EFT as per IEC61000-4 standard level 4.

Features
  • DP83822 ethernet PHY with fiber (100BASE-FX ) or twisted-pair (copper - 100BASETX and 10BASE-Te) interface  
  • Provision to configure analog and IO supply voltage levels separately based on application
  • Programmable LED support for link and activity
  • Meets EN55011 Class-A radiated emission requirements, and meets IEC61000-4-2 level 4 criterion B
  • D83822 works for temperature of 40oC to 125oC

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Schematic/Block Diagram

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Design Guide

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Design Files

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TI Devices (10)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
CDCE913  Programmable 1-PLL VCXO Clock Synthesizer with 2.5-V or 3.3-V LVCMOS Outputs  Clock generators  Sample & Buy View Design Kits & Evaluation Modules
CDCLVC1102  Low Jitter, 1:2 LVCMOS Fan-out Clock Buffer  Clock buffers  Sample & Buy View Design Kits & Evaluation Modules
DP83822H  Extended temperature, robust low-power 10/100-Mbps Ethernet PHY transceiver with 16-kV ESD  Ethernet  Sample & Buy View Design Kits & Evaluation Modules
DP83822HF  Extended temperature, robust 10/100-Mbps Ethernet PHY transceiver with fiber support & 16-kV ESD  Ethernet  Sample & Buy View Design Kits & Evaluation Modules
DP83822I  Low-power, robust 10/100-Mbps Ethernet PHY transceiver with 16-kV ESD  Ethernet  Sample & Buy View Design Kits & Evaluation Modules
DP83822IF  Low-power, robust 10/100-Mbps Ethernet PHY transceiver with fiber support & 16-kV ESD  Ethernet  Sample & Buy View Design Kits & Evaluation Modules
TL1963A-Q1  Auto Catalog Single Output LDO, 1.5A, Adj. (1.21V to 20V), Fast Transient Response  Power management  Sample & Buy View Design Kits & Evaluation Modules
TPD4E05U06-Q1  Automotive 4-Channel ESD Protection Solution for SuperSpeed (up to 5 Gbps) Interface  Circuit protection  Sample & Buy View Design Kits & Evaluation Modules
TPS715  50 mA, 24 V, 3.2-μA Iq, Low-Dropout Linear Regulator in SC70 Package  Power management  Sample & Buy View Design Kits & Evaluation Modules
TPS754  Fast Transient Response, 2-A Low-Dropout Voltage Regulators with Power Good  Power management  Sample & Buy Not Available

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
CDCE913 Download Download
CDCLVC1102 Download Download
DP83822H Download Download
DP83822HF Download Download
DP83822I Download
DP83822IF Download Download
TL1963A-Q1 Download Download
TPD4E05U06-Q1 Download -
TPS715 Download Download
TPS754 Download -

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Technical Documents

See the Important Notice and Disclaimer covering reference designs and other TI resources.

Datasheet (2)
Title Type Size (KB) Date
PDF 2425 26 Mar 2019
PDF 2424 14 Feb 2019
User guides (1)
Title Type Size (KB) Date
PDF 5703 31 Jan 2018
Design files (6)
Title Type Size (KB) Date
ZIP 5458 31 Jan 2018
ZIP 100 31 Jan 2018
ZIP 868 31 Jan 2018
ZIP 1760 30 Jan 2018
ZIP 1236 30 Jan 2018
ZIP 903 30 Jan 2018

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