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  • Two-Device mmWave Cascade Reference Design for Automotive 4D Imaging Radar

    • TIDUF12 December   2022

       

  • CONTENTS
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  • Two-Device mmWave Cascade Reference Design for Automotive 4D Imaging Radar
  1.   Description
  2.   Resources
  3.   Features
  4.   Applications
  5.   5
  6. 1System Description
    1. 1.1 Key System Specifications
  7. 2System Overview
    1. 2.1 Block Diagram
    2. 2.2 Design Considerations
    3. 2.3 Highlighted Products
      1. 2.3.1 Devices
        1. 2.3.1.1 AWR2243
        2. 2.3.1.2 AM2732R
        3. 2.3.1.3 LP876242-Q1
        4. 2.3.1.4 LM62460-Q1
        5. 2.3.1.5 TCAN1043A-Q1
        6. 2.3.1.6 TCAN1044A-Q1
        7. 2.3.1.7 DP83TC812-Q1
        8. 2.3.1.8 TPS61379-Q1
        9. 2.3.1.9 TMP102-Q1
  8. 3System Design Theory
  9. 4Hardware, Software, Testing Requirements, and Test Results
    1. 4.1 Hardware Requirements
    2. 4.2 Test Setup
      1. 4.2.1 Virtual Antenna Array
    3. 4.3 Test Results
      1. 4.3.1 Angle Resolution Measurement
  10. 5Design and Documentation Support
    1. 5.1 Design Files
      1. 5.1.1 Schematics
      2. 5.1.2 BOM
      3. 5.1.3 PCB Layout Recommendations
        1. 5.1.3.1 20 GHz (FMCW) RF LO Sync
        2. 5.1.3.2 PCB Layer Stackup
        3. 5.1.3.3 Board Photos
    2. 5.2 Tools and Software
    3. 5.3 Documentation Support
    4. 5.4 Support Resources
    5. 5.5 Trademarks
  11. IMPORTANT NOTICE
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DESIGN GUIDE

Two-Device mmWave Cascade Reference Design for Automotive 4D Imaging Radar

Description

This automotive radar reference design is a cascaded 76-GHz to 81-GHz radar sensor module. This includes two-device cascaded array of AWR2243 devices and an AM2732R radar processor. In this cascaded radar configuration, a primary device distributes a 20-GHz local-oscillator (LO) signal to both the primary and secondary devices, allowing these two devices to operate as a single RF transceiver. This enables support for up to 6 transmit (TX) and 8 receive (RX) antenna elements, giving a total number of 48 virtual channels in the MIMO virtual array.

Resources

TIDA-020047 Design Folder
AWR2243, AM2732-Q1 Product Folder
LP876242-Q1, LM62460-Q1 Product Folder
DP83TC812-Q1, DP83TC811-Q1 Product Folder
TCAN1043A-Q1, TCAN1044A-Q1 Product Folder
TMP112-Q1, TPS78401-Q1 Product Folder
TPS61379-Q1, TPS7B8133-Q1 Product Folder
Ask our TI E2E™ support experts

Features

  • Imaging radar
  • Longer-range TX beamforming and beamsteering
  • High angular resolution MIMO
  • Power Supply Optimized for Small Size and High Efficiency
  • Two-device 76- to 81-GHz Automotive Radar Sensor Integrates DSP and MCU and Provides Object Data Over CAN-FD, Ethernet or LVDS
  • Wide VIN 36-V OFF Battery Supply Tolerates up to 42 V
  • Diagnostic and Monitoring Functions for ASIL B

Applications

  • Imaging Radar
  • Long Range Radar
  • Medium or Short Range Radar

 
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