Colorlight i5 LED Receiving Card

Colorlight i5 is a high-end receiving card for fine-pitch LED screens. It supports a high load capacity with up to 32 parallel or serial data groups. Its compact design fits small cabinets, and the DDR2 SODIMM interface allows easy integration into HUBs and display modules for flexible screen design.

Overviews

Colorlight i5 Receiving Card

Colorlight i5 receiving card is a high-end product designed for fine-pitch LED displays. It offers high load capacity, compact design, easy integration, and excellent performance and stability. In addition to standard functions, it includes advanced features that enhance video performance, making it ideal for high-end LED display projects.

  • High load capacity: supports up to 32 parallel or 32 serial data outputs
  • Compact design: small body suitable for compact cabinet installation, saving space
  • Easy to integrate: equipped with DDR2 SODIMM interface, can be easily integrated with HUB and display module

Technical Specifications

① Form Factor and Interface

● Dimensions: Measures a mere 68×36 mm, making it one of the smallest universal receiving cards available. This compact size facilitates high-density LED module design and slim cabinet profiles.

● Interface: Adopts a standard DDR2 SODIMM connector that plugs directly into a matching HUB board or motherboard, streamlining assembly and reducing wiring complexity.

② FPGA and Memory

● FPGA Core: Houses a Lattice ECP5U-25 FPGA, prized for its open-source toolchain support via Yosys and NextPNR, enabling hobbyists and developers to compile bitstreams without proprietary tool restrictions.

● RAM: Equipped with an 8 MB DDR2 SDRAM chip (EM638325BK-6H), providing sufficient frame buffering for high-resolution panels and smooth playback.

● Flash Storage: Integrates a 2 MB SPI Flash (GD25Q16CSIG) to store firmware and configurations, allowing in-field updates via Ethernet or USB without external programmers.

③ Connectivity Option

● Ethernet: Dual 10/100 Mbps Ethernet PHYs (Broadcom B50612D), offering redundant network paths for failover in daisy-chain topologies.

● USB: USB-C interface supports firmware upgrades and direct video input for diagnostics and offline playback.

● Debug Port: Onboard CMSIS-DAP debugger (DAPLink) provides JTAG and serial console access for developers, enhancing debugging and rapid prototyping.

Features of Colorlight i5

① Display Performance

  • 8-bit video input for smooth, vivid color reproduction
  • Adjustable color temperature to suit any environment or content
  • 240 Hz refresh rate delivers flicker-free visuals, even under high-speed camera capture
  • Enhanced low-brightness gray scale ensures clear detail and uniformity at minimal luminance

② Correction & Calibration

  • Per-pixel brightness and chromaticity calibration achieves exceptionally uniform color and luminance across every panel

③ Maintenance & Usability

  • On-screen display (OSD) & highlight function provide quick, intuitive status checks
  • Screen rotation support for flexible installation orientations
  • Data-group offset adjustment enables seamless module alignment and splicing
  • Rapid firmware upgrades and fast correction-coefficient deployment minimize downtime

④ Reliability & Stability

  • Loop-redundant network topology prevents signal loss in case of cable failure
  • Real-time Ethernet cable monitoring for proactive fault detection
  • Dual-boot firmware with readback safeguards against update errors
  • 24×7 continuous operation designed for mission-critical, nonstop environments

Advantages & Limitations

Advantages

● Compactness: Eases cabinet design and enables thin, lightweight video walls.

● Open-Source FPGA Toolchain: Supports Yosys/NextPNR flows for custom logic and academic research.

● High-End Features: 240 Hz refresh, per-pixel calibration, and loop-redundancy set it apart from lower-end cards.

Limitations

● Memory Constraints: 8 MB buffer may limit extremely large or ultra-high-resolution panels when compared to cards with 16 MB or more.

● Bandwidth Ceiling: 10/100 Mbps Ethernet may become a bottleneck for future 8 K @ 120 Hz applications; upgrading to gigabit models would alleviate this.

Applications of Colorlight i5

Application 1. Stage and Event Rentals

Due to its portability, high refresh rate, and redundancy features, Colorlight i5 is a staple for touring AV companies. Panels built around i5 cards can be quickly assembled and reconfigured, delivering seamless video for concerts, festivals, and conferences.

LED stage screen rental
Traditional LED Screen

Application 2. Fixed Installations

Retail billboards, stadium perimeters, and control-room video walls benefit from Colorlighti5’s per-pixel calibration and uniform brightness. Its low-profile design allows integration into narrow frames and curved surfaces without visual gaps.

Application 3. Broadcast and Virtual Production

240 Hz operation ensures compatibility with high-frame-rate cameras for virtual set extensions and real-time compositing. Colorlight cards’ stable timing and precise grayscale control support chroma keying and motion graphics with minimal artifacting.

Colorlight Z5 Key Applications - Broadcast and Film Production

Comparison with Other Colorlight i-Series Receiving Cards

FeatureColorlight i5Colorlight i5+Colorlight i8Colorlight i9+
Dimensions68×36 mm68×36 mm≈85×60 mm≈85×60 mm
FPGALattice ECP5U-25Lattice ECP5U-45Lattice ECP5U-45Lattice ECP5U-110
DDR2 Memory8 MB16 MB16 MB32 MB
Ethernet10/100 Mbps10/100 Mbps10/100/1000 Mbps10/100/1000 Mbps
Data Groups32326464
Refresh Rate240 Hz240 Hz384 Hz384 Hz
Per-Pixel CalibrationYesYesYesYes
Loop-RedundancyYesYesYesYes
Price (est.)~$20-$30~$45~$60~$75

Details

Specifications

Control System Parameters
Control AreaPWM chips: 512X384 pixels. Normal chips:512X256 pixels. Shixin: 512X324 pixels.
Ethernet Port ExchangeSupported, arbitrary use.
GrayscaleUp to 65536 grayscale.
Display Module Compatibility
Supported ChipsPWM chips, normal chips, Shixin chips
Scan TypeUp to 1/128 scan
Module DimensionUp to8192 pixels per data group.
Cable DirectionRoute from left to right, from right to left, from top to bottom, from bottom to top.
Data Group32 groups of parallel RGB data and 32 groups of serial RGB data, the later can be extended to 128 groups. Data groups can be exchanged freely.
Data Foldedl Normal chips: 2~8 fold horizontally, 2~4 fold vertically. l PWM and Shixin chips: horizontal or vertical 2~8 fold.
Module pumping point, row and columnAny pumping point and any pumping row and any pumping column.
Monitoring Function (work with the module with corresponding sensor)
Bit Error MonitoringMonitor the total number of data packets and error packets to check network quality.
Pixel-to-Pixel Calibration
Brightness Calibration8bit
Chromaticity Calibration8bit
Other Features
RedundancyLoop redundancy and firmware redundancy.
Optional functionsShaped screen, etc.
Physical Specifications
Hardware interfaceDDR2 SODIMM socket
Ethernet port transmission rate1Gb/s
Communication DistanceRecommended: CAT5e cable≤100m
Compatible with Transmission EquipmentGigabit switch, Gigabit fiber converter, Gigabit fiber switch
Size1LXWXH / 67.6mm(2.66″)X35.5mm(1.40″)X4.2mm(0.17″)
Weight9.5g/0.02lbs, with heat sink.
Electrical specification
VoltageDC 3.8~5.5V, 0.5A
Rated power2.5W
Body Static Resistance2KV
Operating environment
Temperature-25℃~75°℃ (-13°F~167°F)
Humidity0%RH-80%RH, no condensation
Storage and transport environment
Temperature-40℃~125C (-40°F~257°F)
Humidity0%RH-90%RH, no condensation
Packing information
Packaging rulesStandard blister box device, 6 cards per box, 600 cards per carton
Package sizeWXHXD/550.0mm(21.65″)X180.0mm(7.09″)X398.0mm(15.67″
Certification
* RoHS certification, EMC Class A certification, EMC needs to work with the cabinet design, please contact technical support for assistance.

i5 Specification V2.1.2

Colorlight i5 LED Receiving Card

Colorlight i5 LED Receiving Card

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Colorlight i5 LED Receiving Card : Performance & Specs Guide

The Colorlight i5, a stable and widely used LED receiver card, plays a crucial role in modern LED display systems. With its excellent signal transmission capabilities, high load capacity, and mature software support, the Colorlight i5 is widely used in indoor high-definition displays, commercial advertising screens, and fixed installation projects.

Colorlight-i5-LED-Receiving-Card

This article will focus on the core performance and technical parameters of the Colorlight i5, systematically analyzing its working principle, main specifications, and practical application advantages to help readers fully understand the value and adaptability of this LED receiver card in different display scenarios.

1. What Is the Colorlight i5 LED Receiving Card?

The Colorlight i5 LED Receiving Card is a core hardware component in LED control systems. Its primary function is to receive data signals from the transmitting card or video processor and precisely distribute them to each LED module for display. It acts as the data “execution terminal” for the entire LED screen, directly impacting image stability, clarity, and synchronization.

What-Is-the-Colorlight-i5-LED-Receiving-Card

The Colorlight i5 boasts strong load capacity and stable data transmission performance, meeting the application requirements of medium-to-high resolution LED displays. Furthermore, this receiving card supports fine-tuning of key parameters such as grayscale, refresh rate, and brightness, and is highly compatible with Colorlight’s accompanying control software, facilitating system configuration and maintenance.

Therefore, the Colorlight i5 is commonly used in indoor fixed installations, commercial displays, and LED display projects with high requirements for image consistency.

2. Key Performance Advantages of Colorlight i5

Based on actual display needs, the Colorlight i5 demonstrates stable and balanced advantages in several aspects, primarily reflected in the following:

3. Technical Specifications

In LED display systems, technical parameters directly determine the compatibility and display performance of the receiver card. The Colorlight i5’s specifications balance stability and practicality, meeting the needs of most indoor fixed installations and commercial display projects.

Colorlight-i5-Technical-Specifications

Input and Output Specifications

The Colorlight i5 supports stable data input and output interface configurations, ensuring good compatibility with various Colorlight transmitter cards and video processing devices. Through standardized data interfaces, the receiver card can efficiently receive display signals and accurately distribute them to each LED module, ensuring smooth data transmission and accurate image synchronization across the entire screen.

Display Performance Parameters

In terms of display performance, this receiver card supports high refresh rates and grayscale levels, providing LED video wall with smooth brightness transitions and stable image output. This parameter configuration helps reduce flicker and color banding issues, making dynamic images and video content appear more natural and smooth.

Physical and Electrical Specifications

From a hardware design perspective, the Colorlight i5 adopts a compact structure, facilitating installation and wiring within standard LED cabinets. Meanwhile, its power supply and power consumption design meet the requirements of long-term operation, and can maintain stable performance within the specified working environment range, making it suitable for application scenarios with long-term continuous display.

Learn more about the specifications:

Category Specification
Physical Specifications
Hardware InterfaceDDR2 SODIMM Interface
Network Speed1Gbps
Communication DistanceRecommended Cat5e or above, ≤100m
Compatible DevicesGigabit switch, Gigabit fiber transceiver, Gigabit fiber switch
Dimensions (L×W×H)67.6mm (2.66″) × 35.5mm (1.40″) × 4.2mm (0.17″)
Net Weight9.5g / 0.02lbs (including heatsink)
Electrical Characteristics
Input PowerDC 3.8~5.5V, 0.5A
Rated Power2.5W
ESD Protection2KV
Operating Environment
Temperature-25°C~75°C (-13°F~167°F)
Humidity0%RH~80%RH, non-condensing
Storage Environment
Temperature-40°C~125°C (-40°F~257°F)
Humidity0%RH~90%RH, non-condensing
Packaging Information
Packaging TypeStandard blister packaging, 6 cards per box, 600 cards per carton
Package Dimensions (W×H×D)550.0mm (21.65″) × 180.0mm (7.09″) × 398.0mm (15.67″)
Certifications RoHS certified, EMC Class A certified. EMC requires proper enclosure design; please contact technical staff if needed.

4. Common Applications of Colorlight i5

In practical projects, the Colorlight i5, with its stable performance and excellent system compatibility, is widely used in various LED display scenarios. Common applications include the following:

Common-Applications-of-Colorlight-i5

4.1 Indoor Fixed LED Display Screens

Suitable for conference rooms, control centers, corporate showrooms, etc., it can operate stably for extended periods, ensuring image synchronization and consistent display effects, meeting the needs of daily information display and meeting presentations.

4.2 Commercial Advertising and Retail Displays

Commonly used in shopping malls, brand stores, and shop window advertising screens, requiring high refresh rates and image detail, it enhances the clarity and visual appeal of advertising content.

4.3 Small to Medium-Sized High-Definition LED Display Projects

In applications such as corporate image display screens and indoor background screens, the Colorlight i5 supports higher resolution displays while simplifying system structure and improving overall installation efficiency.

4.4 Information Publishing and Public Display Systems

Suitable for announcement screens, wayfinding screens, and information publishing terminals, maintaining stable display under long-term operating conditions and reducing subsequent maintenance burden.

4.5 Multi-screen Splicing and Customized Display Solutions

Can be used with LED modules of different specifications to achieve flexible splicing, meet customized display needs, and are suitable for projects with special requirements for screen structure.

5. Installation and Configuration Guide

To ensure stable system operation and maximize display performance, the receiver card must be installed and configured according to standardized procedures. Proper installation and accurate parameter settings are crucial prerequisites for guaranteeing optimal LED display performance.

5.1 Installation in LED Cabinets

● Receiver Card Fixing and Location Selection: The receiver card should be installed in the designated fixed position inside the enclosure to ensure structural stability and facilitate future maintenance and replacement.

● Hardware Interface Connection Specifications: Connect the receiver card to the HUB board, LED modules, and power supply according to the system design requirements. Ensure a secure connection during insertion to avoid poor contact.

● Wiring and Interference Control: Signal lines and power lines should be properly separated to reduce the risk of electromagnetic interference and improve data transmission stability.

5.2 Software Setup and Configuration

● Device Identification and Basic Parameter Settings: The receiving card is identified using the accompanying control software, and basic parameters such as screen resolution, module size, and display orientation are set.

● Screen Mapping and Display Calibration: Screen mapping is performed according to the actual cabinet arrangement to ensure accurate image display position, and initial calibration of brightness and grayscale is completed.

● System Testing and Parameter Optimization: After configuration, an overall power-on test is conducted. Based on the display effect, relevant parameters are fine-tuned to ensure system stability and display consistency during actual operation.

6. Colorlight i5 vs Other LED Receiving Card

Colorlight’s I-Series receiver cards cover a range of models from basic to high-end, each differing in load capacity, refresh performance, and scalability. Comparing these models helps in selecting the control solution best suited to your project needs.

ModelColorlight i10Colorlight i9+Colorlight i8Colorlight i5+Colorlight i5
Max Loading Capacity1024×384 pixels512×512 pixels512×384 pixels512×384 pixels256×256 pixels
RGB Data Outputs32 groups32 groups32 groups32 groups32 groups
Serial Data SupportYes (up to 64 / expandable to 128)YesYesYesYes
Color Depth SupportUp to 12-bit8–10-bit8–10-bit8–10-bit8–10-bit
HDR SupportYesYesYesYesNo
Calibration & Color AdjustmentMulti-level calibrationMulti-level calibrationCalibration supportedCalibration supportedCalibration supported
OSD & Status MonitoringSupportedSupportedSupportedSupportedSupported
Smart Module SupportYesYesYesYesYes
Card SizeMediumCompactMediumCompactUltra-compact
Typical ApplicationsHigh-end fine-pitch LED displaysRental & indoor displaysHigh-end fixed & rental displaysCost-effective mid-size LED screensCompact, entry-level LED screens

7. How to Choose the Right LED Receiving Card?

In practical LED display projects, the choice of receiver card directly impacts system stability, display quality, and subsequent maintenance costs. To select a suitable LED Receiving Card, a comprehensive assessment can be made based on the following key dimensions:

First, select the load capacity based on the screen resolution and pixel density. Different receiver cards support different maximum pixel counts; ensure that the load capacity of a single card meets the screen resolution requirements to avoid insufficient load capacity leading to excessive screen partitioning or a complex system structure.

Second, pay attention to display performance parameters. Refresh rate, grayscale level, and color processing capabilities directly affect the smoothness and detail of the image. For scenarios such as commercial advertising and conference displays, prioritize models that support high refresh rates and stable grayscale output.

How-to-choose-the-right-LED-receiving-card

Third, consider the actual application scenario. Indoor fixed installations, rental displays, information dissemination, or high-end fine-pitch projects have different requirements for receiver cards. Clearly defining the usage environment and operating time helps in selecting a more suitable product specification.

Furthermore, system compatibility and software support are equally important. The receiver card should maintain good compatibility with the transmitting card, video processor, and control software to facilitate system configuration, debugging, and subsequent maintenance, reducing operational complexity.

Finally, stability and cost-effectiveness must be considered comprehensively. Only by selecting a receiver card that has been market-proven, operates stably, and has controllable maintenance costs, while meeting basic technical requirements, can a long-term reliable user experience be ensured for the LED display system.

8. FAQs

The Colorlight i5 is a common receiver card model in the Colorlight I series. It's primarily used to receive signals from transmitting cards or video processors and distribute the data to LED modules for display. It's suitable for small to medium-sized LEDs and indoor fixed installations.

The Colorlight i5 typically supports a maximum load capacity of approximately 256×256 pixels, suitable for LED displays of standard resolutions, ensuring both display quality and system stability.

This receiver card is widely used in indoor fixed LED displays, commercial advertising screens, corporate display screens, and information publishing systems, especially suitable for projects requiring stability and cost-effectiveness.

The overall installation and configuration process is relatively mature. Setup can be completed through standard interfaces and control software, making it suitable for routine engineering projects. Maintenance and debugging are relatively easy.

A comprehensive evaluation can be made based on factors such as screen resolution, display area, application scenario, and budget. If the project involves small to medium-sized indoor displays and requires stability and cost control, the Colorlight i5 is a suitable choice.

9. Conclusion

In conclusion, the Colorlight i5, as a stable and easy-to-use LED receiver card, demonstrates outstanding application value in small-to-medium-sized indoor displays, commercial advertising screens, and corporate display projects, thanks to its excellent load capacity, high refresh rate support, and reliable software compatibility.

Whether you prioritize stable operation or emphasize image detail and color consistency, the Colorlight i5 provides reliable hardware support for your LED display system.

If you are looking for a cost-effective, easy-to-install, and stable LED receiver card, consider the Colorlight i5. Contact us today for more technical support or to request a free sample, easily upgrading your display project to a professional level.

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