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TIDA-020073

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

Design files

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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Design files & products

Design files

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

download Design guide — TIDA-020073
PDF | HTML
TIDUF93.PDF (710 KB)

Reference design overview and verified performance test data

download Assembly drawing — TIDA-020073
TIDMDA4.PDF (307 KB)

Detailed overview of design layout for component placement

download Bill of materials (BOM) — TIDA-020073
TIDMDA3.PDF (160 KB)

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

download CAD/CAE symbol — TIDA-020073
TIDMDA6.ZIP (3317 KB)

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

download Gerber file — TIDA-020073
TIDCGR5.ZIP (2900 KB)

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

download PCB layout — TIDA-020073
TIDMDA5.PDF (1590 KB)

PCB layer plot file used for generating PCB design layout

download Schematic — TIDA-020073
TIDMDA2.PDF (470 KB)

Detailed schematic diagram for design layout and components

Products

Includes TI products in the design and potential alternatives.

Linear & low-dropout (LDO) regulators

TPS7B82-Q1 — Automotive 300-mA, off-battery (40-V), ultra-low-IQ LDO with enable in AEC-Q100 Grade-0 and Grade-1

Data sheet: PDF | HTML
Ethernet PHYs

DP83TC813S-Q1 — Automotive Low-Power, Small Footprint 100BASE-T1 Ethernet PHY (SGMII)

Data sheet: PDF | HTML
DC/DC converters

TPS629210-Q1 — Automotive 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-Q1 — Automotive Dual 1.5-pF, 5.5-V, ±25-kV ESD protection diode for USB & High Speed Interfaces

Data sheet: PDF | HTML

Start development

Hardware development

Evaluation board

J721EXSOMG01EVM — TDA4VM and DRA829V socketed system on module (SoM)

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 (...)

EVM user’s guide: PDF | HTML
Supported products & hardware

Supported products & hardware

Hardware development
Reference design
TIDA-020071 — TDA4 quad-automotive PHY RGMII reference design TIDA-020073 — 100Base-T1 automotive Ethernet expansion reference design for Jacinto™ 7 processors
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J721EXSOMG01EVM — TDA4VM and DRA829V socketed system on module (SoM)

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Hardware development
Reference design
TIDA-020071 — TDA4 quad-automotive PHY RGMII reference design TIDA-020073 — 100Base-T1 automotive Ethernet expansion reference design for Jacinto™ 7 processors
TI’s Standard Terms and Conditions for Evaluation Items apply.

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

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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