TIDA-01235

Automotive High Temperature Sensor (HTS) Reference Design

TIDA-01235

Design files

Overview

The main focus of the TIDA-01235 reference design is to provide a high density, low cost, and good accuracy thermocouple analog front end. The protection strategies involved in the design protect the analog front end from coupling transients. This design meets the requirements of automotive-exhaust gas temperature sensors.

Features
  • Compatible with Type N thermocouple probes
  • Design specifications for  –40°C to 1300°C (temperature range of thermocouple)
  • Accuracy of of < ±1°C over temperature range –40°C to 1300°C
  • Implements cold junction compensation (CJC) using LMT01-Q1 based
  • Protection against coupling transients, surge transients on thermocouple front end
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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.

TIDUCC1.PDF (2511 K)

Reference design overview and verified performance test data

TIDRNY0.PDF (381 K)

Detailed schematic diagram for design layout and components

TIDRNY1.PDF (71 K)

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

TIDRNY2.PDF (181 K)

Detailed overview of design layout for component placement

TIDRNY4.ZIP (789 K)

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

TIDCCQ3.ZIP (439 K)

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

TIDRNY3.PDF (1006 K)

PCB layer plot file used for generating PCB design layout

Products

Includes TI products in the design and potential alternatives.

Digital temperature sensors

LMT01-Q1Automotive Grade, 0.5°C Accurate 2-pin Temperature Sensor with a Pulse Train Interface

Data sheet: PDF | HTML
Precision ADCs

ADS1118-Q1Automotive 16-bit, 860-SPS, 4-ch, delta-sigma ADC with PGA, oscillator, VREF, temp sensor and SPI

Data sheet: PDF | HTML

Technical documentation

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Type Title Date
* Design guide Automotive High-Temperature Sensor (HTS) Reference Design Dec. 02, 2016
Technical article How to use temperature sensors to protect an automotive transmission PDF | HTML May 31, 2018

Related design resources

Reference designs

REFERENCE DESIGN
TIDA-00168 Thermocouple AFE Using RTD or Integrated Temperature Sensor for Cold Junction Compensation (CJC) TIDA-00189 Isolated Loop Powered Thermocouple Transmitter Reference Design

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