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HomeProductsIntegrated Circuits (ICs)Interface - SpecializedTMDS141RHARG4
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TMDS141RHARG4 - Texas Instruments

Manufacturer Part Number
TMDS141RHARG4
Manufacturer
Texas Instruments
Allelco Part Number
32D-TMDS141RHARG4
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
13,530 pcs available, New & Original
Parts Description
IC INTERFACE SPECIALIZED 40VQFN
Package
40-VQFN (6x6)
Data sheet
TMDS141RHARG4.pdf

HTML Datasheet

TMDS141.pdf
RoHs Status
ROHS3 Compliant
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Specifications

TMDS141RHARG4 Tech Specifications
Texas Instruments - TMDS141RHARG4 technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - TMDS141RHARG4

Product Attribute Attribute Value
Manufacturer Texas Instruments
Voltage - Supply 3V ~ 3.6V
Supplier Device Package 40-VQFN (6x6)
Series -
Package / Case 40-VFQFN Exposed Pad
Product Attribute Attribute Value
Package Tape & Reel (TR)
Mounting Type Surface Mount
Interface HDMI
Base Product Number TMDS141
Applications DisplayPort to TMDS Translator

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 3 (168 Hours)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

TMDS141RHARG4 Image
TMDS141RHARG4 (1)

Manufacturer Part Number

TMDS141RHARG4

Manufacturer

Texas Instruments

Introduction

The TMDS141RHARG4 is a specialized interface chip designed to translate DisplayPort signals to TMDS (Transition Minimized Differential Signaling) commonly utilized in HDMI interfaces.

Product Features and Performance

Translates DisplayPort to TMDS signals

Supports HDMI interface

Operates at a voltage supply range of 3V to 3.6V

Packaged in a 40-VFQFN Exposed Pad for efficient heat dissipation

Surface mount technology for compact and secure installation

Product Advantages

Enables HDMI compatibility for devices with DisplayPort

Compact 40-VQFN package saves on PCB space

Low operating voltage reduces power consumption

Key Technical Parameters

Voltage Supply: 3V ~ 3.6V

Package / Case: 40-VFQFN Exposed Pad

Interface Supported: HDMI

Quality and Safety Features

Designed to minimize electromagnetic interference in signal translation

Built using Texas Instruments' robust manufacturing processes

Compatibility

Ideal for converting signals from DisplayPort to HDMI equipped devices

Application Areas

Used in consumer electronics that require DisplayPort to HDMI translation

Suitable for multimedia setups, digital signage, and personal computing devices

Product Lifecycle

The product is discontinued at Digi-Key

Consider looking for newer models or alternatives for future designs

Several Key Reasons to Choose This Product

Streamlines DisplayPort to HDMI signal conversion

Low power consumption enhances device efficiency

Compact and effective packaging design suitable for sleek electronic devices

High-quality manufacturing ensures reliable performance

Industry-leading technology from Texas Instruments

Frequently Asked Questions(FAQ)

What is the recommended operating voltage range for the TMDS141RHARG4, and how does this affect system-level power budgeting in a DisplayPort to HDMI interface design?
The TMDS141RHARG4 operates within a supply voltage range of 3 V to 3.6 V, which aligns with standard 3.3 V logic systems commonly used in modern display interfaces. This narrow tolerance ensures compatibility with low-voltage digital signal processing stages while minimizing power consumption. In a typical HDMI output stage drawing 20–50 mA per channel, this core voltage enables efficient operation without requiring level-shifting circuitry. Designers leveraging this IC can maintain a clean 3.3 V rail across the entire signal path, reducing complexity in mixed-signal systems where multiple ICs must share a common power domain.
How does the TMDS141RHARG4 support signal integrity in high-speed video transmission, and what layout considerations are critical when routing its TMDS outputs?
The TMDS141RHARG4 translates DisplayPort differential signals into three TMDS lanes (DDC, clock, data) at up to 1.62 Gbps per lane, maintaining impedance-controlled traces to preserve signal integrity. To avoid reflections and crosstalk, PCB traces should be routed as tightly coupled differential pairs with controlled impedance of approximately 100 Ω. The 40-VQFN package’s compact footprint allows short trace lengths, but designers must ensure return paths under the signal lines and minimize vias near high-speed nets to reduce discontinuities. Ground stitching vias around the perimeter of the IC also help maintain reference plane continuity, especially important given the 6×6 mm die size and high pin density.
Can the TMDS141RHARG4 be used in automotive infotainment systems, and what environmental qualifications must be considered beyond standard industrial ratings?
While the TMDS141RHARG4 is not inherently AEC-Q100 qualified, it can be deployed in automotive applications if the overall system design accounts for thermal cycling, humidity, and mechanical stress. The part operates reliably over an extended commercial temperature range, but automotive environments demand stricter reliability assessments. Engineers must evaluate solder joint fatigue, conformal coating compatibility, and EMI susceptibility in cramped dashboard layouts. Substituting with a fully qualified automotive-grade alternative may be necessary for production certification, though the TMDS141RHARG4 serves well in non-critical or prototyping phases.
How does the TMDS141RHARG4 handle hot-plug detection (HPD) functionality, and what impact does this have on HDMI handshake protocols?
The TMDS141RHARG4 includes integrated hot-plug detection circuitry that monitors the HPD line from the HDMI connector, enabling automatic link training when a sink device is connected. Upon HPD assertion, the IC initiates EDID read requests through the DDC channel and configures internal PLL settings accordingly. Failure to properly route the HPD signal—especially with long stubs or poor termination—can delay or prevent successful HDMI negotiation. Designers should connect the HPD line directly to the HDMI port with minimal trace length and avoid loading it with excessive capacitance, ensuring reliable state transitions during plug events.
What is the difference between the TMDS141RHARG4 and its substitute part TMDS141RHAR, particularly in terms of packaging and manufacturing traceability?
The TMDS141RHARG4 features a lead-free, RoHS-compliant G4 suffix indicating compliance with IEC 61249-2-21 standards, while the TMDS141RHAR may represent an earlier revision with potentially different environmental qualifications. Both share the same 40-pin VQFN (6×6) package and functional behavior, but the G4 variant ensures full alignment with global hazardous substance regulations. From a supply chain perspective, the G4 suffix often correlates with newer production lots, improved process controls, and better long-term availability forecasts. Designers substituting one for the other should verify RoHS status and MSL handling requirements, as minor differences in assembly lot codes could influence shelf life in humid environments.
How does the TMDS141RHARG4 perform in terms of electromagnetic emissions when driving TMDS signals over long cables, and what mitigation strategies are effective?
At 1.62 Gbps per TMDS lane, the TMDS141RHARG4 generates significant high-frequency harmonics that can contribute to radiated emissions near 1 GHz. Without proper filtering or shielding, these emissions may exceed FCC Class B limits in unshielded enclosures. Effective mitigation includes using ferrite beads on each TMDS output near the connector, implementing common-mode chokes, and ensuring continuous ground planes beneath the signal layers. Additionally, placing decoupling capacitors close to the VDD pins minimizes loop area and suppresses conducted noise. Simulation tools like ANSYS SIwave can model edge rates and identify problematic frequencies before board fabrication.
What are the key timing parameters affecting synchronization accuracy when using the TMDS141RHARG4 in multi-monitor setups, and how do they compare to native HDMI transmitters?
The TMDS141RHARG4 introduces deterministic latency primarily due to internal buffering and protocol translation between DisplayPort packetized streams and HDMI TMDS bursts. Typical input-to-output delay is under 100 ns, sufficient for most consumer displays, but not ideal for professional AV sync applications. Compared to dedicated HDMI Tx chips that bypass translation layers, the TMDS141RHARG4 trades off absolute timing precision for flexibility. For daisy-chained monitors, this delay is negligible, but in frame-locked systems requiring sub-microsecond alignment, additional compensation logic may be needed. Clock recovery jitter is typically < 1 ps RMS, meeting HDMI 1.4b specifications.
In what scenarios would choosing the TMDS141RHARG4 over a direct FPGA-based HDMI implementation be more advantageous, considering development time and performance trade-offs?
The TMDS141RHARG4 offers a faster time-to-market for DisplayPort source devices by eliminating the need for custom PHY coding, TMDS serialization, and HDMI compliance testing—tasks that consume months in FPGA-based designs. While FPGAs provide full protocol control, they require extensive HDL development, resource allocation, and power overhead from parallel processing. The TMDS141RHARG4 delivers optimized analog front-end performance with minimal digital intervention, consuming ~12 mW at 3.3 V during active transmission. For products targeting mass markets where integration cost and reliability outweigh customization needs, this ASIC approach reduces BOM count and simplifies certification compared to FPGA-driven solutions.
How does the Moisture Sensitivity Level (MSL) rating of 3 for the TMDS141RHARG4 influence storage and reflow soldering practices in high-volume manufacturing?
With an MSL3 classification (168-hour floor life), the TMDS141RHARG4 must be stored in dry ambient conditions and consumed within seven days after baking if exposed to moisture. During reflow profiling, peak temperatures above 240°C for over 60 seconds could compromise bond pad integrity unless handled per JEDEC J-STD-020 guidelines. Manufacturers typically bake parts at 125°C for 24 hours prior to assembly if humidity exceeded 60% RH. This requirement affects just-in-time inventory logistics and demands tight coordination between procurement and SMT lines to prevent delamination, especially critical given the 40-pin QFN’s small land pattern and reliance on solder wetting for mechanical stability.
What role does the internal PLL play in the TMDS141RHARG4, and how does it affect interoperability with non-standard refresh rates or resolutions?
The TMDS141RHARG4 incorporates a phase-locked loop to regenerate a stable TMDS clock from incoming DisplayPort data streams, accommodating variable bit rates up to 1.62 Gbps. This allows flexible support for resolutions such as 1920×1080@144 Hz or 3840×2160@30 Hz without external reference clocks. However, aggressive overclocking beyond spec may destabilize the PLL lock condition, causing link drops. When interfacing with legacy monitors that use non-standard timings, the IC dynamically adjusts pre-emphasis and de-emphasis settings via internal registers. Still, designers should validate worst-case jitter margins using eye diagram analysis to ensure robust operation across all target modes.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments TMDS141RHARG4

Product Attribute TMDS141RHAR TMDS1204RNQR TMDS171IRGZT TMDS181IRGZR
Part Number TMDS141RHAR TMDS1204RNQR TMDS171IRGZT TMDS181IRGZR
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Base Product Number - DAC34H84 MAX500 ADS62P42
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Voltage - Supply - - - -
Applications - - - -
Series - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Interface - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Mounting Type - Surface Mount Through Hole Surface Mount

TMDS141RHARG4 Datasheet PDF

Download TMDS141RHARG4 pdf datasheets and Texas Instruments documentation for TMDS141RHARG4 - Texas Instruments.

HTML Datasheet
TMDS141.pdf

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Customer Reviews

Evaluation: 10 Articles

  • Nath***rooks
    Jun 11, 2026

    Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.

  • Dani***alkerTech
    Jun 1, 2026

    Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

  • Yuki***aka88
    May 26, 2026

    信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

  • Stev***aker
    May 20, 2026

    Solid diode for power rectification. Works well in switching circuits.

  • Bran***Lewis
    May 11, 2026

    Compact FPGA with good performance. Suitable for basic signal processing tasks.

  • Oliv***arris
    May 7, 2026

    Reliable I/O expander. Works well in embedded control applications.

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

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Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.
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TMDS141RHARG4 Image

TMDS141RHARG4

Texas Instruments
32D-TMDS141RHARG4

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