JAJSF42B April 2018 – June 2019 DLPC3478
A high-accuracy, 3D depth scanner product is created by using a DLP chipset comprised of DLP3010 DMD, DLPC3478 controller and DLPA200x or DLPA300x PMIC and LED driver. The DLPC3478 simplifies the pattern generation, the DLPA200x or DLPA300x provides the needed analog functions and DMD displays the required patterns for accurate 3D depth capture.
In addition to the three DLP devices in the chipset, other components may be required to complete the application. Minimally, a flash component is required to store patterns, the software, and the firmware in order to control the DLPC3478 controller.
DLPC3478 controller supports any illumination source including IR light source (LEDs or VCSE), UV light source or visible light source (Red, Green or Blue LEDs or lasers).
For connecting the DLPC3478 controller to the host processing for receiving patterns or video data parallel interface is used. Connect an I2C iinterface to the host processor to send commands to the DLPC3478 controller. The only power supplies needed external to the projector are the battery (SYSPWR) and a regulated 1.8-V supply. A single signal (PROJ_ON) controls the entire DLP system power. When PROJ_ON is high, the DLP system turns on and when PROJ_ON is low, the DLPC3478 turns off and draws only a few microamperes of current on SYSPWR. When PROJ_ON is low, the 1.8-V power supply can remain at 1.8 V for use by other sub systems. When PROJ_ON is low, the DLPA200x or DLPA300x 000 draws no current on the 1.8-V supply.