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TIDEP-01012

Imaging radar using cascaded mmWave sensor reference design

Design files

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.

download Design guide — TIDEP-01012
PDF | HTML
TIDUEN5A.PDF (5383 K)

Reference design overview and verified performance test data

download Schematic — TIDEP-01012
TIDRZZ2B.PDF (2344 K)

Detailed schematic diagram for design layout and components

download Schematic — TIDEP-01012
SPRR407.ZIP (2101 K)

Detailed schematic diagram for design layout and components

download Bill of materials (BOM) — TIDEP-01012
TIDRZZ3B.PDF (374 K)

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

download Assembly drawing — TIDEP-01012
TIDRZZ4B.PDF (1372 K)

Detailed overview of design layout for component placement

download CAD/CAE symbol — TIDEP-01012
TIDM954.ZIP (100851 K)

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

download CAD/CAE symbol — TIDEP-01012
TIDM464.ZIP (66370 K)

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

download Gerber file — TIDEP-01012
TIDCFJ1B.ZIP (25362 K)

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

download PCB layout — TIDEP-01012
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

AWR2243 — 76-GHz to 81-GHz automotive second-generation high-performance MMIC

Data sheet: PDF | HTML
Clock buffers

LMK00804B-Q1 — Automotive, 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-Q1 — Automotive ±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-Q1 — Automotive 1A ultra-low-dropout voltage regulator with reverse current protection and enable

Data sheet: PDF
Multi-channel ICs (PMICs)

LP87524P-Q1 — Automotive 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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TI’s Standard Terms and Conditions for Evaluation Items apply.

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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