TIDA-01335

Ultra-Small IO-Link Sensor Transmitter with RTD Front End Reference Design

TIDA-01335

Design files

Overview

This reference design demonstrates the IO-Link communication in a small form factor of just 6mm PCB width with integrated protection and a resistance temperature detector (RTD) sensor front-end. The highly integrated and tiny IO-Link PHY offers: ESD, EFT, surge protection and reverse polarity protection. The build in LDO and configurable output current provide easy and flexible system implementation and offer at the same time low power dissipation due to the ultra-low residual voltage. The 24 bit Sigma-Delta analog to digital converter (ADC) captures the RTD value (PT100 temperature sensor), which is converted in the MCU and sent via IO-Link to the IO-Link master

Features
  • IO-Link PHY with integrated
    • 3.3V or 5.0V LDO
    • Reverse polarity protection
    • ESD, EFT and surge protection according to IEC 61000-4
  • 50-mA to 350-mA configurable output current limit
  • IO-link v1.1 and v1.10 (TMG stack)
  • Small PCB board width of only 6mm

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.

TIDUCO8.PDF (1130 K)

Reference design overview and verified performance test data

TIDRSF8.PDF (496 K)

Detailed schematic diagram for design layout and components

TIDRSF9.PDF (49 K)

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

TIDRSG0.PDF (94 K)

Detailed overview of design layout for component placement

TIDRSG2.ZIP (652 K)

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

TIDCDS0.ZIP (388 K)

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

TIDRSG1.PDF (507 K)

PCB layer plot file used for generating PCB design layout

Products

Includes TI products in the design and potential alternatives.

IO-Link & digital I/Os

TIOL111IO-Link device transceiver with integrated surge protection

Data sheet document-pdfAcrobat PDF open-in-new HTML
MSP430 microcontrollers

MSP430FR573824 MHz MCU with 16KB FRAM, 1KB SRAM, 10-bit ADC , comparator, UART/SPI/I2C, timer

Data sheet document-pdfAcrobat PDF open-in-new HTML
Precision ADCs (<=10MSPS)

ADS122024-bit, 2-kSPS, 4-ch, low-power, small-size delta-sigma ADC w/ PGA, VREF, 2x IDACs & SPI interface

Data sheet document-pdfAcrobat PDF open-in-new HTML

Technical documentation

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Type Title Date
* Design guide Ultra-Small IO-Link Sensor Transmitter With RTD Front-End Reference Design Aug. 29, 2017

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