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.
