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1080p OpenLDI to FPD-Link III serializer

DS90UB947-Q1

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Product details

Parameters

Function Serializer Color depth (bpp) 24 Pixel clock frequency (Min) (MHz) 25 Pixel clock frequency (Max) (MHz) 170 Input compatibility LVDS Output compatibility FPD-Link III LVDS Features I2C Config, I2S Audio Signal conditioning DC Balance EMI reduction SSC Compatible Diagnostics BIST Throughput (Mbps) 4080 Rating Automotive Operating temperature range (C) -40 to 105 open-in-new Find other Display SerDes

Package | Pins | Size

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

Features

  • AEC-Q100 Qualified for Automotive Applications
    • Device Temperature Grade 2: –40°C to +105°C, TA
  • Supports Clock Frequency up to 170 MHz for WUXGA (1920x1200) and 1080p60 Resolutions With 24-Bit Color Depth
  • Single and Dual FPD-Link III Outputs
    • Single Link: Up to 96-MHz Pixel Clock
    • Dual Link: Up to 170-MHz Pixel Clock
  • Single and Dual OpenLDI (LVDS) Receiver
    • Configurable 18-Bit RGB or 24-Bit RGB
  • High-Speed Back Channel Supporting GPIO up to 2 Mbps
  • Supports up to 15 Meters of Cable with Automatic Temperature and Aging Compensation
  • I2C (Master/Slave) With 1-Mbps Fast-Mode Plus
  • SPI Pass-Through Interface
  • Backward Compatible With DS90UB926Q-Q1 and DS90UB928Q-Q1 FPD-Link III Deserializers

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Description

The DS90UB947-Q1 is an OpenLDI to FPD-Link III bridge device which, in conjunction with the FPD-Link III DS90UB940-Q1/DS90UB948-Q1 deserializers, provides 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 OpenLDI 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. Consolidation of video data and control over two differential pairs reduces the interconnect size and weight and simplifies 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 DS90UB947-Q1 supports multi-channel audio received through an external I2S interface. Audio data received by the device is encrypted and sent over the FPD-Link III interface where it is regenerated by the deserializer.

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Technical documentation

= Top documentation for this product selected by TI
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Type Title Date
* Datasheet DS90UB947-Q1 1080p OpenLDI to FPD-Link III serializer datasheet (Rev. A) Mar. 01, 2019
Technical articles How to choose a power supply for an automotive camera module Sep. 17, 2020
User guide DS90Ux947-Q1EVM Evaluation Board (Rev. A) Aug. 04, 2015

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Hardware development

EVALUATION BOARD Download
399
Description

The DS90UB947-Q1EVM (Evaluation Module) converts OpenLDI to FPD-Link III. This kit demonstrates the functionality and operation of the DS90UB947-Q1. The DS90UB947-Q1 is an OpenLDI to FPD-Link III Serializer which, in conjunction with the DS90Ux948/DS90Ux940 Deserializers, takes the data from OpenLDI (...)

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

Software development

SUPPORT SOFTWARE Download
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

SIMULATION MODEL Download
SNLM190.ZIP (51 KB) - IBIS Model
SIMULATION TOOL Download
PSpice® for TI design and simulation tool
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 (...)
Features
  • 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
  • (...)
SIMULATION TOOL Download
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 (...)

Reference designs

REFERENCE DESIGNS Download
MIPI® DSI to OLDI/LVDS Bridge for Automotive Infotainment Head Unit Reference Design
TIDA-01453 — This reference design offers two display interface options: an Automotive processor with MIPI® DSI output and an Automotive infotainment video display panel with OpenLDI (OLDI) / LVDS input The reference design provides two variations. Setup one converts the system on chip (SoC) DSI video output (...)
document-generic Schematic

CAD/CAE symbols

Package Pins Download
VQFN (RGC) 64 View options

Ordering & quality

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  • Qualification summary
  • Ongoing reliability monitoring

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