2K DSI to FPD-Link III Serializer with HDCP



Product details


Function Serializer Color depth (bpp) 24 Input compatibility HDMI Pixel clock frequency (Max) (MHz) 170 Output compatibility FPD-Link III LVDS Features HDCP, I2C Config, I2S Audio Signal conditioning DC Balance EMI reduction SSC Compatible Diagnostics BIST Operating temperature range (C) -40 to 105 open-in-new Find other FPD-Link SerDes

Package | Pins | Size

VQFN (RGC) 64 81 mm² 9 x 9 open-in-new Find other FPD-Link SerDes


  • AEC-Q100 qualified for automotive applications
    • Device temperature grade 2: –40°C to +105°C, TA
  • Supports TMDS clock up to 170 MHz for WUXGA (1920x1200) and 1080p60 resolutions with 24-bit color depth
  • Single and dual FPD-Link III outputs
    • High-definition multimedia (HDMI) v1.4b inputs
      • HDMI-mode DisplayPort (DP++) inputs
      • Integrated HDCP v1.4 cipher engine with storage for on-chip key
      • HDMI audio extraction for up to 8 channels
      • High-speed back channel supporting GPIO up to 2 Mbps
      • Supports up to 15 meters of cable with automatic temperature and aging compensation
      • Monitors spread-spectrum input clock to reduce EMI
      • I2C (master/slave) with 1-Mbps fast-mode plus
      • SPI pass-through interface
      • Backward-compatible with DS90UH926Q-Q1 and DS90UH928Q-Q1 FPD-Link III deserializers
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      The DS90UH949-Q1 is an HDMI to FPD-Link III bridge device which, in conjunction with the FPD-Link III DS90UH940-Q1/DS90UH948-Q1 deserializers, supplies 1-lane or 2-lane high-speed serial streams over cost-effective 50-Ω single-ended coaxial or 100-Ω differential shielded twisted-pair (STP) cables. It serializes an HDMI v1.4b input supporting video resolutions up to WUXGA and 1080p60 with 24-bit color depth.

      The FPD-Link III interface supports video and audio data transmission and full duplex control, including I2C and SPI communication, over the same differential link. The consolidation of video data and control over two differential pairs can reduce the interconnect size and weight and can simplify system design. EMI is minimized by the use of low-voltage differential signaling, data scrambling, and randomization. In backward-compatible mode, the device supports up to WXGA and 720p resolutions with 24-bit color depth over a single differential link.

      The DS90UH949-Q1 supports HDCP Repeater applications where all authentication and encryption functions are handled without the need for an external controller. HDMI audio and video data are decrypted at the input and re-encrypted before the data is sent to the FPD-Link III interface.

      The DS90UH949-Q1 supports multi-channel audio received through HDMI or an external I2S interface. The device also supplies an optional auxiliary audio interface.

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      Technical documentation

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      Type Title Date
      * Data sheet DS90UH949-Q1 1080p HDMI to FPD-Link III Bridge Serializer With HDCP datasheet (Rev. B) Aug. 05, 2019
      Technical article How to choose a power supply for an automotive camera module Sep. 17, 2020

      Design & development

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      Hardware development

      document-generic User guide

      The DS90UH949-Q1EVM (Evaluation Module) converts HDMI to FPD-Link III. This kit will demonstrate the functionality and operation of the DS90UH949-Q1. The DS90UH949-Q1 is an HDMI to FPD-Link III Serializer which, in conjunction with the DS90Ux948/DS90Ux940 Deserializers, takes the data from HDMI (...)

      1. Supports Pixel Clock Frequency up to 170 MHz for WUXGA (1920x1200) and 1080p60 resolutions with 24-bit Color Depth
      2. HDMI Receiver to accept HDMI as input
      3. Dual FPD-Link III output interface
      4. Up to 15 meters over Single-Ended Coaxial or Differential Shielded Twisted-Pair (STP) cable
      5. Backwards Compatible to (...)

      Software development

      SNLC048D.ZIP (24784 KB)
      Analog LaunchPad™ software
      ALP Analog LaunchPad (ALP) software is an interactive graphical user interface (GUI) software platform to evaluate TI FPD-Link™ serializers and deserializers (SerDes). ALP software enables device- and system-level evaluation with powerful built-in features, including:
      • Local and remote device access
      • Device (...)

      Design tools & simulation

      SNLM185.ZIP (51 KB) - IBIS Model
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      PSPICE-FOR-TI — PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
      • Leverages Cadence PSpice Technology
      • Preinstalled library with a suite of digital models to enable worst-case timing analysis
      • Dynamic updates ensure you have access to most current device models
      • Optimized for simulation speed without loss of accuracy
      • Supports simultaneous analysis of multiple products
      • (...)
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      SPICE-based analog simulation program
      TINA-TI TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)
      document-generic User guide

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      VQFN (RGC) 64 View options

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