TIDEP-01012

Imaging radar using cascaded mmWave sensor reference design

TIDEP-01012

Design files

Overview

The cascade development kit has two main use cases:

  1. To use the MMWCAS-DSP-EVM as a capture card to fully evaluate the AWR2243 four-chip cascade performance by using the mmWave studio tool, please read the TIDEP-01012 design guide.
  2. To use the MMWCAS-DSP-EVM to develop radar real time SW application, please read the TIDEP-01017 design guide.

This reference design uses a cascaded imaging radar radio-frequency (RF) system. Cascaded radar devices can support long-range radar (LRR) beamforming applications, as well as medium-range radar (MRR) and short-range radar (SRR) multiple-input multiple-output (MIMO) applications with enhanced angle-resolution performance.

The AWR2243 cascade radar RF development kit has been used to estimate and track the position (in the azimuthal plane) beyond 350 m with a multidevice, beamforming configuration. Additionally, this system has demonstrated azimuth angular resolutions as small as 1.4 degrees in a time-division multiple access (TDMA)-MIMO configuration.

Features
  • Two- or four-chip frequency-modulated continuous-wave (FMCW) radar sensor for LRR, MRR and SRR applications
  • Detect objects (for example, cars and trucks) at a distance beyond 350 m with range resolution of 35 cm; human radar cross-section (RCS) objects detectable at a distance of 150 m
  • Antenna field of view (FoV) ±70º with angular resolution of approximately 1.4 degrees
  • MATLAB® MIMO and beamforming example code provided
  • AWR2243-based demonstration design
  • Cascaded imaging radar front-end beamforming and MIMO configuration fully explained
Automotive
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Design files & products

Design files

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

PDF | HTML
TIDUEN5A.PDF (5383 K)

Reference design overview and verified performance test data

TIDRZZ2B.PDF (2344 K)

Detailed schematic diagram for design layout and components

SPRR407.ZIP (2101 K)

Detailed schematic diagram for design layout and components

TIDRZZ3B.PDF (374 K)

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

TIDRZZ4B.PDF (1372 K)

Detailed overview of design layout for component placement

TIDM954.ZIP (100851 K)

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

TIDM464.ZIP (66370 K)

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

TIDCFJ1B.ZIP (25362 K)

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

TIDRZZ5B.PDF (13862 K)

PCB layer plot file used for generating PCB design layout

Products

Includes TI products in the design and potential alternatives.

Automotive mmWave radar sensors

AWR224376-GHz to 81-GHz automotive second-generation high-performance MMIC

Data sheet: PDF | HTML
Clock buffers

LMK00804B-Q1Automotive, 1.5-V to 3.3-V, 1-to-4 high-performance LVCMOS fanout buffer & level translator

Data sheet: PDF | HTML
Digital temperature sensors

TMP112-Q1Automotive ±0.5°C 1.4V to 3.6V digital temperature sensor with I2C/SMBus in 2.56mm2 package

Data sheet: PDF | HTML
Linear & low-dropout (LDO) regulators

TPS737-Q1Automotive 1A ultra-low-dropout voltage regulator with reverse current protection and enable

Data sheet: PDF
Multi-channel ICs (PMICs)

LP87524P-Q1Automotive multiphase 4MHz, 3A/1.0V + 3A/1.0V + 2.5A/1.8V + 1.5A/1.2V buck converters for AWR MMICs

Data sheet: PDF | HTML

Start development

Hardware

Evaluation board

MMWCAS-DSP-EVM

mmWave cascade imaging radar DSP evaluation module

The MMWCAS-DSP evaluation module (EVM) design provides a processing foundation for a cascaded imaging radar system. Cascade radar devices can support front, long-range radar (LRR), beamforming applications, as well as corner- and side-cascade radar and sensor fusion systems. This EVM design (...)

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Evaluation board

MMWCAS-RF-EVM — mmWave cascade imaging radar RF evaluation module

The MMWCAS-RF evaluation module (EVM) is a sensing solution from TI implementing a four-device cascaded array of AWR1243 or AWR2243 devices. In this cascaded radar configuration, a single master device distributes a 20-GHz local-oscillator (LO) signal between all four devices, allowing these four (...)
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Limit: This limit is in place to protect sample purchases for design evaluation and will be removed once more stock is available.
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Technical documentation

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Type Title Date
* Design guide Imaging Radar Using Cascaded mmWave Sensor Reference Design (Rev. A) PDF | HTML Jul. 25, 2019
Technical article Imaging radar: one sensor to rule them all PDF | HTML Jul. 09, 2019
Application note AWR2243 Cascade (Rev. B) PDF | HTML May 16, 2019
Application note MIMO Radar (Rev. A) Jul. 26, 2018

Related design resources

Reference designs

REFERENCE DESIGN
TIDEP-01017 Cascade imaging radar capture reference design using Jacinto™ ADAS processor

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