DLPC3421 is a digital controller chip developed by Texas Instruments (TI), a leading semiconductor company headquartered in the United States. It is part of TI's DLP (Digital Light Processing) technology portfolio, designed for precision light control in industrial and consumer applications. The DLPC3421 is commonly used in industries such as 3D printing, laser projection, and optical sensing, offering high-speed performance and reliability. Its primary function is to manage DLP micromirror arrays, enabling advanced light modulation for applications like 3D scanning, augmented reality (AR), and automated optical inspection (AOI).