1. Introduction
The Infiray Mini2 series uncooled infrared module is a compact and high-performance thermal imaging core designed for various applications. It features optional resolutions of 640×512, 384×288, and 256×192, utilizing a high frame rate 12µm WLP package detector. This module incorporates a second-generation self-developed infrared ISP chip, offering high performance, small volume, light weight, low power consumption, and cost-effectiveness, meeting the demands of SWaP (size, weight, and power/price) sensitive applications.
The entire Mini2 series employs a shutter-less algorithm, ensuring smooth and continuous imaging without stuttering. A new generation infrared dedicated image algorithm produces delicate and clear thermal images. The module provides multiple digital interfaces, including MIPI and USB, allowing flexible integration with various intelligent processing platforms.
2. Key Features
- High Resolution Options: Available in 640×512, 384×288, and 256×192 pixel configurations.
- Advanced Detector: Utilizes a 12µm WLP package detector for enhanced performance.
- High Frame Rate: Supports 60Hz frame rate for smooth video output.
- Shutter-less Algorithm: Provides continuous, stutter-free thermal imaging.
- High Thermal Sensitivity: Features a thermal sensitivity of 40mK.
- Compact Design: Small volume and light weight for easy integration.
- Low Power Consumption: Energy-efficient operation.
- Multiple Digital Interfaces: Supports MIPI and USB for versatile connectivity.
- Image Adjustment: Includes non-uniformity correction, brightness/contrast control, polarity/palette selection, digital zoom (1.0x-8.0x continuous), and image mirroring.
3. Specifications
The following table details the technical specifications for the Infiray Mini2 series infrared modules:
| Feature | Description/Value |
|---|---|
| Overview | |
| Detector Type | Vanadium Oxide Uncooled Infrared Focal Plane Detector |
| Thermal Pixels | 640x512 (also 256x192, 384x288 options) |
| Effective Frame Rate | 25/50Hz (for 256x192), 30/60Hz (for 384x288, 640x512) |
| Pixel Pitch | 12µm |
| Spectral Band | 8~14µm |
| Noise Equivalent (NETD) | ≤40mK@25℃, F#1.0, 25Hz |
| Thermal Time Constant | <12ms |
| Minimum Temperature | -20 ℃ |
| Maximum Temperature | 550 ℃ |
| Series | Mini2640 |
| Is Smart Device | No |
| Battery Included | No |
| High-concerned chemical | None |
| Power Type | None |
| Power Source | None |
| Origin | Mainland China |
| Display Size | 1.9 Inches & Under |
| Image Adjustment | |
| Non-uniformity Correction | Shutter correction/shutter-less algorithm correction |
| Brightness/Contrast | 0~100, optional |
| Polarity/Palette | White-hot/Black-hot/Various palettes supported |
| Digital Zoom | 1.0~8.0x continuous zoom (step size: 0.1) |
| Image Mirroring | Vertical/Horizontal/Diagonal |
| Electricity Parameters | |
| Analog Video | PAL/NTSC |
| Digital Video | DVP/BT656/USB2.0/MIPI |
| Communication Interface | UART/I2C/USB2.0 |
| Power Supply Input | 5V |
| Typical power consumption of USB | <0.35W (256x192), <0.42W (384x288), <0.7W (640x512) |
| Lens Options | 9.1/13.5/15/18/19/25/35/55mm |
4. Setup
The Infiray Mini2 module is designed for integration into various systems. Proper setup involves:
- Lens Attachment: Carefully select and attach the appropriate lens (e.g., 9.1mm, 13.5mm, etc.) to the module. Ensure it is securely fastened.
- Power Connection: Connect the module to a stable 5V power supply. Refer to the specific pinout diagram for your module variant (not provided here, consult full datasheet).
- Data Interface Connection: Connect the module to your intelligent processing platform using one of the supported digital interfaces: MIPI or USB. Ensure correct wiring and driver installation on your host system.
- Analog Video Output (Optional): If using analog video, connect the PAL/NTSC output to a compatible display or capture device.
- Mounting: Securely mount the module within your application (e.g., FPV drone, industrial equipment) ensuring it is stable and protected from excessive vibration or impact.
5. Operating Instructions
Once the module is powered on and connected to your processing platform, you can begin acquiring and adjusting thermal images:
- Image Acquisition: Use your host software or development kit to receive the digital video stream via MIPI or USB.
- Non-uniformity Correction (NUC): The module features a shutter-less algorithm for automatic non-uniformity correction. If manual correction is needed, refer to the full datasheet for specific commands or software controls.
- Brightness and Contrast: Adjust the image brightness and contrast (range 0-100) through the communication interface (UART/I2C/USB2.0) to optimize image visibility for different scenes.
- Polarity and Palette: Select between "White-hot," "Black-hot," or various other color palettes to represent temperature differences. This can be configured via the communication interface.
- Digital Zoom: Utilize the continuous digital zoom function (1.0x to 8.0x with 0.1 step size) to magnify areas of interest.
- Image Mirroring: Apply vertical, horizontal, or diagonal mirroring to the image if required by your application's orientation.
6. Maintenance
To ensure optimal performance and longevity of your Infiray Mini2 module, follow these maintenance guidelines:
- Lens Cleaning: Keep the lens clean and free from dust, dirt, and fingerprints. Use a soft, lint-free cloth and a specialized lens cleaning solution. Avoid abrasive materials or harsh chemicals.
- Environmental Protection: Operate and store the module within its specified temperature and humidity ranges. Protect it from extreme temperatures, direct sunlight, and moisture.
- Physical Protection: Handle the module carefully to avoid physical shock or impact, which can damage sensitive internal components.
- Firmware Updates: Periodically check for firmware updates from the manufacturer to ensure the module operates with the latest features and performance enhancements.
7. Troubleshooting
If you encounter issues with your Infiray Mini2 module, consider the following common troubleshooting steps:
- No Image Output:
- Verify that the module is receiving stable 5V power.
- Check all data interface (MIPI/USB) connections for proper seating and continuity.
- Ensure the correct drivers are installed on your host processing platform.
- Confirm that your software is correctly configured to receive data from the module.
- Poor Image Quality:
- Clean the lens carefully as described in the Maintenance section.
- Adjust brightness and contrast settings in your software.
- Perform a Non-uniformity Correction (NUC) if available and necessary (consult datasheet).
- Ensure the module is operating within its specified temperature range.
- Module Not Detected by Host:
- Reconnect the USB or MIPI cable.
- Try a different USB port or MIPI interface on your host.
- Restart your host processing platform.
- Verify that the module is powered on.
For persistent issues, refer to the complete datasheet or contact technical support.
8. User Tips
No specific user tips were available from reviews or Q&A for this product. However, general best practices for thermal modules include:
- Lens Selection: Choose the lens focal length that best suits your application's field of view and detection range requirements.
- Software Integration: Leverage the provided SDKs (if any) for seamless integration into custom applications.
- Power Management: Given its low power consumption, consider battery solutions for portable or drone-based applications.
9. Warranty and Support
For detailed warranty information, technical support, and complete datasheets, please contact the manufacturer or your sales representative directly.
Contact Information:
- Sales Team: 008613701390153
- For complete datasheets, please contact the sales team.