Small Form-factor Structured Light Pattern Generator Reference Design for Portable 3D Scanners
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Key Document


This ultra-low-cost 3D scanning reference design enables faster development of portable 3D scanner and machine vision applications using structured light triangulation technique where DLP® technology is used to project highly flexible patterns on an object. This TI Design uses the DLP® Pico™ 0.2-inch TRP WVGA DMD (DLP2010) with the DLPC3470 display and light controller. The compact physical size of the DLP2010 is well-suited for portable equipment where small form factor and low power is important. This reference design comes with an example light engine design which includes electronics and optics along with software to generate different light pattern sets used in 3D scanning designs. The same electronics design can also be used with DLP2010NIR DMD which is useable for NIR light sources accommodating wavelengths ranging from 700nm to 2500nm. With high-speed and programmable patterns possible with DLP technology, designers can achieve high speed 3D image reconstruction at micron-level resolution that is useful in a broad set of applications such as 3D cameras, facial recognition biometrics, 3D dental scanners, robotic vision and factory automation.

  • Features DLPC3470 display and light controller and fully integrated DLPA2005 PMIC/LED driver
  • Electronics design supports both DLP2010 and DLP2010NIR – visible and NIR wavelength 
  • DLP2010, DLP2010NIR - 854 × 480 Array of Aluminum Micrometer-Sized Mirrors, in an Orthogonal Layout, with flexible and precise light control
  • Used in DLP2010EVM-LC Layout
  • Capability to display mono-chrome and RGB patterns with flexible triggers for camera control 
  • Includes a production ready optical engine with programmable LED driver ( 0 - 650 mA)
  • PC Software GUI to send any types of patterns to the light engine

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Schematic/Block Diagram

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Design Files

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TI Devices (3)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
DLP2010  DLP® 0.2 WVGA DMD  Display & projection chipsets  Sample & Buy View Design Kits & Evaluation Modules
DLPA2005  PMIC/LED driver for DLP2010 and DLP2010NIR (0.2 WVGA) DMD  Display & projection chipsets  Sample & Buy View Design Kits & Evaluation Modules
DLPC3470  DLP® display and light controller for DLP2010LC (0.2 WVGA) DMD  Advanced light-control chipsets  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
DLPA2005 Download
DLPC3470 Download

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Technical documentation

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Data sheet (1)
Title Type Size (KB) Date
PDF 3111 25 Aug 2020
User guide (2)
Title Type Size (KB) Date
PDF 3175 30 Dec 2018
PDF 4254 07 Sep 2018
Design files (5)
Title Type Size (KB) Date
ZIP 585 14 Nov 2018
ZIP 5377 14 Nov 2018
ZIP 312 07 Sep 2018
PDF 213 07 Sep 2018
ZIP 6214 07 Sep 2018
Related Tools & Software

Hardware development (1)

Name Part Number Tool Type
DLP® 2010 Light Control Evaluation Module  DLP2010EVM-LC  Evaluation board 

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