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DLP650TE: Compatible chipset

Jonathan Navor
Genius 9475 points
Part Number: DLP650TE
Other Parts Discussed in Thread: DLPC7540, DLPC4422, DLP660TE, DLP670S, DLPC900

Hi Team,

Good day! Our customer is looking for a bottom-illuminated 0.65" 1080p DMD. As I understand, the DLP650TE 4K chipset is a 1080p physical device which generates a 4K image through a pixel-shifting technology. Would you help us find the chipset that is compatible with this DLP that would allow us to generate field-sequential 1080p color images, with no pixel shifting."

Thank you for your support.

Best regards,

Jonathan

  • 0
    TI__Intellectual 2580 points

    Jonathan,

    The DLP650TE is corner illuminated.  Are you looking for bottom-illuminated specifically?  If so, you will need to look at the 0.47" DMDs; they are bottom illuminated.

    If you check the product search, it does show which controller is compatible in the Chipset Family column.  The DMD datasheets also indicate which controller is compatible.  The DLP650TE is compatible with the DLPC7540.  It is possible to input 1080p up to 240Hz in to the DLPC7540 and not use pixel shifting.  

    If one doesn't need 240Hz or UHD or any of the other 7540 features, there are 0.65" (corner illuminated) and 0.47" (bottom illuminated) DMDs that are compatible with the DLPC4422 controller (1080p @ 120Hz).

    DLPC7540_vs_DLPC4422_One_Pager.pdf

    Regards,
    Gary

  • 0 in reply to Gary S
    TI__Genius 9475 points

    Hi Gary,

    Thank you for the clarification that DLP650TE is corner illuminated. We missed that out. In that case, our cusotmer think that DLP660TE would work for their application (what's important is at least 1080p resolution in a bottom-illuminated, ~0.7" device).

    We have an additional question from our customer below:

    1) Does the DLP660TE support operation at its native resolution, or is 4K pixel shifted the only operating mode the chipset has?
    2) I see that the DLPC4422 is in the process of being discontinued. Is there an alternative controller to drive the DLP660TE?
    3) The industrial/scientific variant DLP670S would also be suitable for our application, and I do see references to an RGB video mode in the data sheet. Can you confirm the controller is capable of synchronizing red/green/blue LEDs with the color planes in the video stream?

    Thank you.

    Best regards,

    Jonathan

  • 0 in reply to Jonathan Navor
    TI__Intellectual 2580 points

    Jonathan,

    The supported Vx1 input timings for the EVM are listed in an xls file include in the DLP660TE-FW download.  https://www.ti.com/tool/DLP660TE-SW 

    Please note that the supported Vx1 input timings are very limited (600MHz pixel clock only):

    DLP660TE Recommended Video Timings for fixed 600Mhz pix clk, 8-channel Vx1
      Recommendations H-Sync Parameters V-Sync Parameters
    Resolution Pixel Clock H-Sync V-Sync H-Total Display Back-porch Pulse-width Front-porch V-Total Display Back-porch Pulse-width Front-porch
    (unit:MHz) (unit:KHz) (unit:Hz) unit:pixel unit:pixel unit:pixel unit:pixel unit:pixel unit:Line unit:line unit:line unit:line unit:line
    1 3840x2160 600 110.95 50 5408 3840 256 32 1280 2216 2160 35 5 16
    2 3840x2160 600 131.58 60 4560 3840 256 24 440 2193 2160 11 5 17
    3 2712x1528 600 111.11 24 5400 2712 472 280 1936 4624 1528 49 6 3041
    4 2712x1528 600 111.11 25 5400 2712 472 280 1936 4440 1528 49 6 2857
    5 2712x1528 600 125 30 4800 2712 472 280 1336 4160 1528 32 6 2594
    6 2712x1528 600 147.35 48 4072 2712 472 280 608 3070 1528 32 6 1504
    7 2712x1528 600 150 50 4000 2712 472 280 536 3000 1528 32 6 1434
    8 2712x1528 600 150 60 4000 2712 472 280 536 2500 1528 32 6 934
    9 2712x1528 600 185.64 96 3232 2712 100 100 320 1933 1528 49 6 350
    10 2712x1528 600 185.64 100 3232 2712 100 100 320 1856 1528 49 6 273
    11 2712x1528 600 194.81 120 3080 2712 164 32 172 1620 1528 45 5 42

    The DLP660TE has a 2716 x 1528 array.  The input does support 2712 x 1528 at several frame rates.  This is 4 pixels smaller than the DMD array due to a Vx1 limitation.  

    It is possible to disable the XPR processing; this E2E post mentions that.  The Programmer's Guide is included with the DLPC660TE-FW package and mentions the commands to disable the XPR processing as well.

    The DLPC4422 has a direct replacement; TI.com needs updating to reflect that.   Please see this E2E post for more information.

    The DLP670S does have a video mode. The DLPC670S uses the DLPC900 industrial controller.  The features are geared more towards the industrial / light control market; it may not have all the video features that are available in the display controllers.    You should probably take a look at the DLPC900 documentation to see what is available:

    You may want to post separately to specifically inquire about the capabilities of this solution if you think that may be what you want to use.

    Regards,
    Gray

  • 0 in reply to Gary S
    TI__Genius 9475 points

    Hi Gray,

    Thanks, this was very helpful for our customer. However, the DLP660TE appears to be globally out of stock. Our customer have another question.

    is it also possible to pair the DLP670S industrial DMD with the DLPC4422 projection controller? 

    Thank you.

    Best regards,

    Jonathan

  • +1 in reply to Jonathan Navor
    TI__Genius 10560 points

    Hello Jonathan,

    The DLP670S Industrial DMD cooperates with the DLPC900 Industrial controller but not the DLPC4422 Display controller.

    Please take a look at the link given previously by Gary for information about the DLPC900 controller.

    Best,

    Aaron B.