Product Description
1. Product Description
CH225QV01A is a 2.25 inch a-Si TFT LCD module with QVGA resolution of 76x284 pixels, designed for compact wearable and portable electronic devices. Typical brightness is 500 cd/m², providing sunlight readability for outdoor applications.
The module uses the *** driver IC with a 4-wire SPI serial interface, compatible with most microcontrollers at low pin count. Operating temperature range is -20°C to +70°C, storage range is -30°C to +80°C. The module is RoHS compliant and measures 17.90 x 62.50 mm.
2. Features
· 2.25 inch diagonal a-Si TFT active matrix display with 76*284 resolution
· High brightness of 500 cd/m² (typ.) for excellent sunlight readability
· SPI 4-wire serial interface for easy and fast communication with MCUs
· 12 o'clock optimal viewing direction for portrait-oriented applications
· Wide operating temperature range: -20°C to +70°C
· Low power LED backlight design suitable for battery-powered devices
· Thin profile and lightweight construction for portable device integration
· Transmissive / Normally White polarizer mode for clear image quality
· RoHS compliant, meeting environmental protection requirements
3. Technical Parameters
| Parameter |
Specification |
| Size |
2.25 inch |
| Resolution |
76x284 |
| Active Area |
14.80 x 55.29 mm |
| Module Size |
17.90 x 62.50 mm |
| Brightness |
500 cd/m2 (typ.) |
| Viewing Direction |
80/80/80/80 |
| Operating Temperature |
-20 ~ +70℃ |
| Storage Temperature |
-30 ~ +80℃ |
4. Customization
FPC customization, touch panel integration (RTP/CTP), cover lens available.
5. Support
Complete datasheet, initialization code, sample support, technical support provided.
6. FAQ
Q: What is the resolution of the CH225QV01A display?
A: The CH225QV01A has a QVGA resolution of 76*284 pixels, providing sharp image quality suitable for text, icons, and basic graphics.
Q: What interface does this module use?
A: It uses a 4-wire SPI serial interface, which makes it easy to connect with most microcontrollers using just 4 control lines (CS, SCL, SDA, RS).
Q: Is this display suitable for outdoor use?
A: Yes, with a typical brightness of 500 cd/m², the display offers good sunlight readability, making it suitable for outdoor applications.
Q: What is the operating temperature range?
A: The operating temperature range is -20°C to +70°C, with a storage range of -30°C to +80°C, ensuring reliable performance in various environments.
Q: Can the FPC connector be customized?
A: Yes, ChengHao offers customization options for the FPC including length, pin assignment, and connector type to match your PCB design.
Q: Can a touch panel be added to this display?
A: Yes, we can integrate either a capacitive touch panel (CTP) or resistive touch panel (RTP), or a cover lens for protection as needed.
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