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TIDA-020073

100Base-T1 automotive Ethernet expansion reference design for Jacinto™ 7 processors

TIDA-020073

Design files

Overview

This reference design interfaces with Jacinto™ 7 processor EVM boards through the Serial Ethernet Expansion Connector. Automotive Ethernet connectivity is added through TI's automotive Ethernet PHYs. The design is implemented with TI's DP83TC813S-Q1 100MBit/s single pair Ethernet (SPE) PHY. A coupling network is used to couple in 12V to the data line.

Features
  • 100Base-T1 automotive Ethernet connected through SGMII to Jacinto™ 7 processors
  • Automotive qualified filter network for 12V power coupling
  • Option to populate TI's BAW oscillator CDC6CEx-Q1
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A fully assembled board has been developed for testing and performance validation only, and is not available for sale.

Design files & products

Design files

Download ready-to-use system files to speed your design process.

PDF | HTML
TIDUF93.PDF (709 K)

Reference design overview and verified performance test data

TIDMDA2.PDF (470 K)

Detailed schematic diagram for design layout and components

TIDMDA3.PDF (159 K)

Complete listing of design components, reference designators, and manufacturers/part numbers

TIDMDA4.PDF (307 K)

Detailed overview of design layout for component placement

TIDMDA6.ZIP (3317 K)

Files used for 3D models or 2D drawings of IC components

TIDCGR5.ZIP (2900 K)

Design file that contains information on physical board layer of design PCB

TIDMDA5.PDF (1590 K)

PCB layer plot file used for generating PCB design layout

Products

Includes TI products in the design and potential alternatives.

AC/DC & DC/DC converters (integrated FET)

TPS629210-Q1Automotive 3-V to 17-V, 1-A, high-efficiency and low-IQ, synchronous buck converter in SOT-583

Data sheet: PDF | HTML
ESD protection diodes

TPD2E2U06-Q1Automotive Dual 1.5-pF, 5.5-V, ±25-kV ESD protection diode for USB & High Speed Interfaces

Data sheet: PDF | HTML
Ethernet PHYs

DP83TC813S-Q1Automotive Low-Power, Small Footprint 100BASE-T1 Ethernet PHY (SGMII)

Data sheet: PDF | HTML
Linear & low-dropout (LDO) regulators

TPS7B82-Q1Automotive 300-mA, off-battery (40-V), ultra-low-IQ LDO with enable in AEC-Q100 Grade-0 and Grade-1

Data sheet: PDF | HTML

Technical documentation

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* Design guide 100Base-T1 Automotive Ethernet Expansion Reference Design for Jacinto™ 7 Processors PDF | HTML Sep. 18, 2024

Related design resources

Hardware development

EVALUATION BOARD
J721EXSOMXEVM TDA4VM and DRA829V socketed system on module (SoM)

Software development

SOFTWARE DEVELOPMENT KIT (SDK)
PROCESSOR-SDK-J721E Software development kit for DRA829 and TDA4VM Jacinto™ processors PROCESSOR-SDK-J784S4 Software development kit for TDA4AP-Q1, TDA4VP-Q1, TDA4AH-Q1 and TDA4VH-Q1 Jacinto™ processors

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