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Texas Instruments DS90UR905QSQX/NOPB
- Part No.:
- DS90UR905QSQX/NOPB
- Manufacturer:
- Texas Instruments
- Category:
- Serializers, Deserializers
- Package:
- 48-WFQFN Exposed Pad
- Datasheet:
-
DS90UR905QSQX/NOPB.pdf
- Description:
- IC SERIALIZER 5-65MHZ 24B 48WQFN
- Quantity:
- Payment:
- Shipping:
Inventory:3,696
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Product details
Overview
DS90UR905QSQX/NOPB from Texas Instruments is an automotive-grade FPD-Link II serializer IC that converts 24-bit RGB888 video with HS/VS/DE control signals into a single-pair AC-coupled differential serial stream. It supports pixel clock frequencies from 5 MHz to 65 MHz (140 Mbps–1.82 Gbps), integrates programmable de-emphasis and VOD selection, and operates across –40°C to +105°C for in-vehicle display links.
For engineers reviewing the DS90UR905QSQX/NOPB datasheet, DS90UR905QSQX/NOPB pinout, DS90UR905QSQX/NOPB application, or DS90UR905QSQX/NOPB equivalent, key selection criteria include PCLK range compatibility, LVDS output drive strength (±280 mV or ±420 mV), AC-coupling requirement (100 nF), AEC-Q100 Grade 2 qualification, and backward compatibility with legacy deserializers like DS90UR906Q-Q1.
Technical Context
The DS90UR905QSQX/NOPB implements a DC-balanced scrambler to enable AC-coupled STP cable runs up to 10 meters, embeds clock recovery-free serialization, and uses configurable output slew and de-emphasis to maintain signal integrity over lossy interconnects. Its parallel interface accepts RGB888 plus three timing signals with programmable latch edge (RFB) and control signal filtering (CONFIG[1:0]).
It features dual power domains: 1.8-V analog/driver supplies (VDDTX, VDDHS, VDDL, VDDP) and flexible 1.8-V/3.3-V I/O supply (VDDIO). Power-down mode (PDB = 0) shuts down PLL and drivers, reducing IDD to microamp levels while holding DOUT± high.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| PCLK Range | 5–65 MHz - defines supported display resolutions from QVGA to XGA at 24-bit color depth |
| Data Rate | 140 Mbps to 1.82 Gbps - determines maximum cable length and EMI profile for STP interconnect |
| Output VOD | Selectable ±280 mV or ±420 mV - adjusts driver strength for short or long cable runs with de-emphasis |
| Supply Voltages | VDDIO = 1.8 V or 3.3 V; core rails = 1.8 V ±5% - enables mixed-voltage system integration |
| Temperature Range | –40°C to +105°C - meets AEC-Q100 Grade 2 for automotive cabin and infotainment modules |
| ESD Rating | >8-kV HBM, ISO 10605 compliant - ensures robustness in production handling and vehicle environments |
| AC Coupling | Required on DOUT± with 100-nF capacitors - eliminates DC bias dependency and enables transformer-less cabling |
Pinout & Package
DS90UR905QSQX/NOPB is housed in a 48-pin WQFN package (7.00 mm × 7.00 mm) with exposed thermal pad (DAP = GND). Pin functions are validated per TI SNLS313I Rev I datasheet, including dedicated LVCMOS inputs for R[7:0], G[7:0], B[7:0], HS, VS, DE, PCLK, and configuration straps (CONFIG[1:0], RFB, VODSEL, De-Emph, ID[x], BISTEN, PDB).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| R[7:0], G[7:0], B[7:0] | Parallel RGB data inputs | 24-bit LVCMOS inputs with internal pulldowns; support RGB888 format with MSB-aligned latching |
| HS / VS / DE | Video timing control inputs | LVCMOS sync signals with configurable filter (enabled/disabled via CONFIG[1:0]) and transition limits |
| PCLK | Pixel clock input | Latches parallel data on rising/falling edge per RFB strap; sets serial data rate and timing budget |
| DOUT+ / DOUT− | FPD-Link II differential outputs | LVDS outputs requiring AC coupling (100 nF); deliver scrambled, DC-balanced serial stream over STP |
| VDDIO | I/O supply rail | Configurable 1.8 V or 3.3 V supply enabling interface compatibility with host graphics processors |
| PDB | Power-down control | Active-high input that disables PLL and drivers, minimizing IDD during idle or sleep states |
Key Features
| Feature | Design Value |
|---|---|
| DC-balanced scrambling | Enables reliable AC-coupled transmission over 10-meter STP cables without baseline wander |
| Selectable de-emphasis | Compensates high-frequency loss in long cables by boosting high-frequency content pre-transmission |
| Programmable output VOD | Two-level LVDS drive strength (±280 mV / ±420 mV) optimizes signal-to-noise ratio vs. power trade-off |
| Real-time link BIST | On-chip bit-error testing with PASS output pin enables production test and field diagnostics |
| AEC-Q100 Grade 2 | Qualified for automotive cabin applications with full temperature and reliability validation |
Applications
| Automotive Navigation Display | Instrument Cluster Video Link |
|---|---|
Use Scenario: Transmitting high-fidelity graphics from MCU or GPU to TFT-LCD panel behind dashboard. IC Role / Device Role / Timing Role: Serializer converting parallel RGB888 + HS/VS/DE into robust FPD-Link II serial stream. Use Value: Eliminates skew between clock and data lines, reduces connector pin count by >75%, and supports 10-m cable routing through vehicle harnesses. | Use Scenario: Driving digital gauges and warning indicators using compact, EMI-resistant interconnect. IC Role / Device Role / Timing Role: High-speed serializer enabling low-jitter, low-latency video transport with SSCG-compatible outputs. Use Value: Meets automotive EMI requirements via spread-spectrum clocking support and integrated receiver equalization on deserializer side. |
| Rear-Seat Entertainment System | Head-Up Display (HUD) Interface |
Use Scenario: Sending video from media processor to rear-seat LCDs in SUVs and minivans. IC Role / Device Role / Timing Role: Serializer supporting QVGA–XGA resolution at 24-bit color depth with configurable control signal filtering. Use Value: CONFIG[1:0] strap enables compatibility with multiple deserializer variants (DS90UR906Q-Q1, DS90UR241), simplifying BOM management. | Use Scenario: Delivering real-time vehicle data overlays to optical combiner with minimal latency. IC Role / Device Role / Timing Role: Low-power serializer operating in Grade 2 temperature range with fast lock and deterministic timing. Use Value: Power-down mode (PDB) reduces quiescent current to µA level during display blanking, extending battery runtime in always-on HUD systems. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar FPD-Link II serializer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| DS90UR905QSQ/NOPB | Same silicon, tape-and-reel packaging (no cut-tape or sample reel); identical electrical specs and pinout | No functional difference; used in high-volume automated assembly | Select DS90UR905QSQX/NOPB for prototype evaluation and low-volume design-in; use DS90UR905QSQ/NOPB for production ramp. |
| DS90UR907QSQX/NOPB | Higher PCLK support (up to 85 MHz), added MIPI D-PHY compatibility, and enhanced ESD (±15-kV HBM) | Targets next-gen displays with WXGA+ resolution and higher refresh rates | Choose DS90UR907QSQX/NOPB only if >65 MHz PCLK or MIPI coexistence is required; otherwise DS90UR905QSQX/NOPB offers optimal cost/performance for QVGA–XGA. |
Compared with DS90UR905QSQX/NOPB, DS90UR905QSQ/NOPB provides identical functionality in volume-optimized packaging, while DS90UR907QSQX/NOPB extends bandwidth and interface flexibility at higher cost and power-making DS90UR905QSQX/NOPB the preferred choice for cost-sensitive automotive display links within its 5–65 MHz range.
Availability
DS90UR905QSQX/NOPB is available at Aetrix Electronics and suitable for automotive navigation displays, instrument clusters, and rear-seat entertainment systems requiring stable component supply, AEC-Q100 compliance, and long-term lifecycle support.
Supply support for DS90UR905QSQX/NOPB includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Texas Instruments is a global semiconductor leader specializing in analog, embedded processing, and connectivity technologies, with deep expertise in automotive electronics and high-speed interface solutions.
The DS90UR905QSQX/NOPB belongs to TI's FPD-Link II chipset family, designed specifically for noise-immune, low-skew video transport in automotive displays-balancing bandwidth, power efficiency, and robustness across harsh operating conditions.
FAQ
What is the maximum cable length supported by DS90UR905QSQX/NOPB?
DS90UR905QSQX/NOPB supports AC-coupled shielded twisted-pair (STP) cable runs up to 10 meters when operating within its specified 5–65 MHz PCLK range and with appropriate de-emphasis and VOD settings. Performance depends on cable quality, termination, and noise environment; TI recommends characterization with actual harness assemblies for production validation. The DS90UR905QSQX/NOPB datasheet specifies this limit under typical automotive EMC conditions.
Does DS90UR905QSQX/NOPB require an external reference clock?
No, DS90UR905QSQX/NOPB does not require an external reference clock. It embeds the pixel clock into the serialized data stream using a PLL-based transmitter architecture. The deserializer (e.g., DS90UR906Q-Q1) recovers the clock from the serial stream without training sequences or SYNC patterns. This eliminates clock distribution skew and simplifies system timing design for the DS90UR905QSQX/NOPB-based link.
Can DS90UR905QSQX/NOPB interface with non-TI deserializers?
Yes, DS90UR905QSQX/NOPB supports interoperability with select third-party and TI deserializers via CONFIG[1:0] strap settings. It is explicitly compatible with DS90UR906Q-Q1 (CONFIG[1:0] = 00/01), DS90UR124 (CONFIG[1:0] = 10), and DS90C124 (CONFIG[1:0] = 11). Interoperability requires matching PCLK range, VOD, and de-emphasis settings; full protocol-level compatibility must be verified per target deserializer datasheet.
What is the function of the RFB pin on DS90UR905QSQX/NOPB?
The RFB pin on DS90UR905QSQX/NOPB selects the latch edge for parallel RGB and control signals: RFB = 1 configures rising-edge capture of R[7:0], G[7:0], B[7:0], HS, VS, and DE relative to PCLK; RFB = 0 configures falling-edge capture. This strap allows synchronization alignment with source timing domains and is mirrored on the deserializer (DS90UR906Q-Q1) as RFB for strobe edge matching. The DS90UR905QSQX/NOPB uses this to ensure setup/hold margin across varying PCLK duty cycles.
Is DS90UR905QSQX/NOPB pin-compatible with DS90UR905QSQ/NOPB?
Yes, DS90UR905QSQX/NOPB and DS90UR905QSQ/NOPB are fully pin-compatible and electrically identical. The "X" suffix denotes cut-tape or sample reel packaging (100-piece reels), while "Q" indicates standard tape-and-reel (2500-piece reels). Both share identical WQFN-48 packaging, thermal pad layout, pinout, and all electrical specifications-including AEC-Q100 Grade 2 qualification. The DS90UR905QSQX/NOPB is intended for prototyping and low-volume design-in.
DS90UR905QSQX/NOPB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 48-WFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Function:
- Serializer
- Data Rate:
- 1.82Gbps
- Input Type:
- LVCMOS
- Output Type:
- FPD-Link II, LVDS
- Number of Inputs:
- 24
- Number of Outputs:
- 1
- Voltage - Supply:
- 1.71V ~ 1.89V, 3V ~ 3.6V
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 48-WQFN (7x7)
DS90UR905QSQX/NOPB FAQ
1.How can I place an order for DS90UR905QSQX/NOPB through Aetrix?
Please submit a Request for Quotation (RFQ) for DS90UR905QSQX/NOPB on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for DS90UR905QSQX/NOPB reliable?
The price and inventory of DS90UR905QSQX/NOPB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DS90UR905QSQX/NOPB is usually 5 days.
3.What payment methods are accepted for DS90UR905QSQX/NOPB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DS90UR905QSQX/NOPB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DS90UR905QSQX/NOPB?
DS90UR905QSQX/NOPB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DS90UR905QSQX/NOPB order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for DS90UR905QSQX/NOPB?
For technical support, including DS90UR905QSQX/NOPB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DS90UR905QSQX/NOPB requirements.
6.How does Aetrix verify that DS90UR905QSQX/NOPB is sourced from the original manufacturer or authorized distributors?
All DS90UR905QSQX/NOPB products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that DS90UR905QSQX/NOPB meets industry standards.
7.What is the process for return or replacement of DS90UR905QSQX/NOPB?
All DS90UR905QSQX/NOPB units undergo pre-shipment inspection (PSI). If there is an issue with DS90UR905QSQX/NOPB, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The DS90UR905QSQX/NOPB part is unused and in its original packaging.
Return procedure for DS90UR905QSQX/NOPB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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