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Telematics control unit

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Block diagram

Telematics control unit

Block diagram

Overview

Telematics control unit (TCU) is the embedded onboard system that controls wireless tracking, diagnostics and communication to and from the vehicle. These systems can be used in eCall crash notification, electronic tolling and vehicle tracking, among many others. Our range of products empowers you to create TCU designs that enable higher bandwidth, increased integration and smaller solution sizes.

Design requirements

The benefits of TCU include:

  • Increasing amount of connectivity to the vehicle by adding more modems and processing to support communication from the car to the cloud, infrastructure or other vehicles.
  • Antenna power optimization with better current sensing, diagnostics and low noise.
  • Reliable, efficient, and faster data transmission enabling communication to other systems in the vehicle.

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Block diagram

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Technical documentation

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Type Title Date
Circuit design Non-inverting microphone pre-amplifier circuit (Rev. A) PDF | HTML Sep 26, 2024
User guide MSP430F2xx, MSP430G2xx Family User's Guide (Rev. K) PDF | HTML Aug 25, 2022
Application note Automotive Diagnostics Using TAS2505-Q1 (Rev. C) PDF | HTML Jun 29, 2022
Application brief 12-V Battery Monitoring in an Automotive Module (Rev. A) PDF | HTML Mar 10, 2022
Selection guide Automotive Infotainment EE Buck Converter/Controller Selection Guide (Rev. B) Apr 15, 2021
Technical article Dark-current measurement in automotive telematics applications PDF | HTML Mar 4, 2020
Technical article How to save space and BOM costs by sharing microphones across automotive subsystem PDF | HTML Oct 31, 2019
Technical article How connected vehicles leverage data: 3 common questions PDF | HTML Aug 30, 2019
Application brief Active Filtering in Automotive Audio Applications (Rev. A) Aug 15, 2019
Application note Implementing Voltage References and Supervisors Into Your Traction Inverter Desi May 22, 2019
White paper Designing infotainment systems that are interactive not distractive Mar 25, 2019
Application note Achieving Low IQ Voltage Supervision in Automotive, Wide-Vin Applications Jan 24, 2019
Technical article Four design considerations for telematics hardware in the connected car PDF | HTML Aug 31, 2018
Technical article Where we’re going with the connected car PDF | HTML Jun 4, 2018
Technical article There are more ways than you think to reduce conducted EMI PDF | HTML Apr 17, 2018
Technical article Automotive gateways: the bridge between communication domains PDF | HTML Sep 20, 2017
Technical article Securing the Scene PDF | HTML Dec 16, 2015
User guide Single-Supply Electret Microphone Preamplifier Reference Design Feb 2, 2015

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