Texas Instruments DLP Products: DMD Chipsets & Controllers

A Texas Instruments DLP product is built around a digital micromirror device (DMD) — a microelectromechanical chip carrying up to millions of tiny mirrors that each tilt to steer light. DLP never ships as a single part: a DMD always pairs with a matched DLP controller and a DLP PMIC/LED driver as a three-chip chipset. This guide explains the chipset model, lists real DMD and controller part numbers, separates display from light-control uses, and covers the optical-MEMS handling that makes or breaks DLP yield.

DLP is unusual in TI’s catalog because it is an opto-electromechanical system, not a conventional IC. That changes both how you design it in and how it must be assembled.

• DLP is a matched chipset: a DMD plus a DLPC controller plus a DLPA PMIC/LED driver — you do not mix and match across families.
• DMDs span resolutions: the DLP3010 is a 0.3-inch 720p device; the DLP4710 is a 0.47-inch 1080p device.
• Pixel-shift beats the mirror count: a 0.47-inch DMD can display 4K UHD by actuating mirrors faster than the eye resolves.
• Light control, not just display: the same micromirror array projects programmable patterns for 3D printing, scanning and spectroscopy.

What a TI DMD Is and How the DLP Chipset Works

A digital micromirror device is a spatial light modulator: each mirror tilts between two states, throwing light toward the lens or away from it, thousands of times per second. Grayscale comes from how long each mirror stays on; colour comes from sequencing red, green and blue illumination. Because the DMD only switches light that already exists, DLP delivers high contrast and brightness with fast response.

You cannot use a DMD alone. It needs a DLP controller (the DLPC family) to translate video or pattern data into mirror commands, and a DLP PMIC/LED driver (the DLPA family) to supply the DMD’s reset rails and drive the illumination LEDs. TI specifies these as fixed chipsets — for example, the DLP4710 1080p DMD pairs with the DLPC3479 controller and the DLPA3000 or DLPA3005 driver. Choosing the DMD chooses the rest of the chipset.

TI DLP Chipset Selection: Display Resolution and Use Case

DMD	Resolution	Matched chipset (typical)	Where it fits
DLP3010	0.3″ 720p	DLPC3433/3438 + DLPA3000	Compact pico projectors, smart displays
DLP4710	0.47″ 1080p	DLPC3479 + DLPA3000/3005	Mobile projectors, screenless TVs, signage
DLP472TP	0.47″ 4K UHD (pixel-shift)	DLPC controller + DLPA3082	High-resolution portable projection
DLP230NP	0.23″ 1080p	DLPC3436	Ultra-mobile and IoT displays

A counterintuitive point: DLP “resolution” can exceed the physical mirror count. A 0.47-inch 1080p DMD displays a 4K UHD image by shifting the projected pixels with a fast optical actuator faster than the eye integrates — so you get more apparent pixels than mirrors. The second surprise is that DLP’s fastest-growing strength is not displays at all. The same programmable micromirror array is a precision light engine for industrial light control: patterning resin in 3D printers and lithography, projecting structured light for 3D scanning, and steering wavelengths in spectroscopy.

Those light-control applications lean on the host TI processors that generate the pattern data and on Texas Instruments power management ICs for the high-current LED or laser illumination that the DLPA driver controls.

DLP Assembly and Handling: Optical MEMS, Not a Normal IC

A DMD ships in a hermetic package with a precision glass window over the mirror array, and that window is the whole game. The assembly rules differ sharply from a standard IC:

1. Window cleanliness. A single particle on the glass shows up as a defect in the projected image. The protective film stays on until the optical module is sealed, and rework must happen in a clean environment.
2. ESD and mechanical care. The mirrors are micromechanical structures; electrostatic discharge and mechanical shock can damage them. Follow the DMD’s handling and storage instructions, including humidity-controlled storage.
3. High-speed chipset routing. The DMD interface between controller and DMD runs at high speed, so it needs controlled-impedance routing and careful length matching like any fast parallel or sub-LVDS bus, per the IPC-2221 guidance, with joints graded to IPC-A-610.
4. Thermal management of the LED driver. The DLPA driver sources large LED currents — some parts exceed 6 A — so its thermal pad and copper must carry that heat away.

A projector client saw scattered dark spots that looked like dead mirrors. Failure analysis found particulate contamination on the DMD window introduced during a rework step done on an open bench. Enforcing the window protection film and moving DMD rework into a controlled-cleanliness area restored yield. The DMD was never faulty; the handling was.

Display and Light Control Applications in Depth

DLP serves two distinct worlds, and the chipset you choose follows from which one you are in. On the display side, the DMD throws an image through a lens: pico and mobile projectors, screenless TVs, interactive surfaces, digital signage, and automotive head-up displays and headlamps. Automotive display use brings functional-safety requirements, which is why TI offers safety-compliant controllers such as the DLPC231-Q1 for qualified automotive DMD chipsets.

On the light-control side, the DMD becomes a programmable light engine rather than a screen. In 3D printing and maskless lithography it patterns ultraviolet light onto resin or photoresist, curing or exposing whole layers at once. In 3D scanning and machine vision it projects structured-light patterns whose distortion reveals surface geometry. In spectroscopy it steers and selects wavelengths. These applications exploit the DMD’s speed and the precision of its individually addressable mirrors more than any display ever does.

• Display — projectors, screenless TVs, signage and automotive HUD/headlamps (with functional-safety controllers where needed).
• Industrial light control — 3D printing and lithography pattern UV light layer by layer.
• Sensing — structured-light 3D scanning, machine vision and spectroscopy use the DMD as a programmable pattern source.

For either world, many designers buy a pre-built optical module — a sealed assembly of the DMD, illumination source, optics and mechanics from a specialist — rather than building the optics themselves. The module removes the cleanliness and optical-alignment risk of working with a bare DMD, at the cost of less optical freedom. It is the optical equivalent of choosing a pre-certified module over a chip-down design.

Common TI DLP Design Mistakes

1. Mixing a DMD with a controller or driver from outside its specified chipset.
2. Handling the DMD window without cleanliness controls, causing image defects.
3. Underestimating the thermal load of the LED driver and illumination source.
4. Routing the high-speed DMD interface as ordinary traces, causing image artifacts.
5. Ignoring ESD and humidity handling requirements for the MEMS device.

Frequently Asked Questions About TI DLP Products

What is a DMD?

A digital micromirror device is a microelectromechanical chip carrying up to millions of tiny mirrors that tilt to steer light toward or away from a lens. It is the core of every DLP display and light-control system.

Can I buy a DLP DMD on its own?

You can order the DMD, but it only works as part of a matched chipset with a DLP controller and a DLP PMIC/LED driver. TI specifies which controller and driver go with each DMD, so the chipset is chosen together.

How does a 1080p DMD show a 4K image?

Through fast optical pixel-shifting (actuation). The mirrors switch faster than the eye integrates, projecting shifted sub-frames that combine into a higher apparent resolution than the physical mirror count, so a 0.47-inch 1080p DMD can display 4K UHD.

What are DLP products used for besides projectors?

Industrial light control: patterning light for 3D printing and lithography, projecting structured light for 3D scanning and machine vision, and steering wavelengths in spectroscopy and near-infrared sensing.

Why is DLP assembly different from a normal chip?

Because the DMD is an optical MEMS with a glass window. Particles, ESD and mechanical shock all cause defects, so handling, cleanliness and humidity control matter far more than for a sealed plastic IC.

Is there an automotive-grade DLP option?

Yes. TI offers automotive-qualified DMDs and functional-safety-compliant controllers such as the DLPC231-Q1 for chipsets used in head-up displays and adaptive headlamps, where the system must meet automotive reliability and safety requirements that consumer projection parts do not.

Should I buy a DLP optical module or build the optics myself?

A pre-built optical module from a DLP specialist seals the DMD, illumination and optics together, removing the cleanliness and alignment risk of handling a bare DMD. Building the optics yourself gives more design freedom and lower volume cost but demands optical engineering and clean assembly. Lower volumes and tight schedules usually favour the module.

Plan Your TI DLP Chipset and Build It Clean

Choose the DMD for your resolution and use case, accept the matched controller and driver that come with it, and treat the optical-MEMS handling as a hard requirement. Send your Gerber and BOM for a DFM review so the high-speed DMD interface, LED-driver thermals and handling plan are checked before the first build, and return to the Texas Instruments component hub to complete the system.