ILITEK ILI2511 Touch Controller Board | USB & I2C PCAP Controller | DINGTouch
Discover the ILITEK ILI2511 Touch Controller Board for projected capacitive touch screens. Supports USB and I2C interfaces, 10-point multi-touch, Windows, Android, Linux, and industrial applications. Custom controller board manufacturer from DINGTouch.
As industrial automation, medical equipment, self-service kiosks, EV charging stations, and smart HMI systems continue to evolve, touch controllers have become one of the most critical components in ensuring accurate, stable, and responsive touch performance. A high-quality touch controller not only determines the responsiveness of the touch screen but also directly affects EMC performance, power consumption, environmental adaptability, and overall system reliability.
The ILITEK ILI2511 Touch Controller Board is a high-performance projected capacitive (PCAP) touch controller solution designed for industrial and commercial applications. Featuring USB and I2C communication interfaces, excellent anti-interference capability, low power consumption, and fast response speed, the ILI2511 has become one of the preferred controller solutions for custom capacitive touch screens.
At DINGTouch, we provide complete touch solutions based on the ILITEK ILI2511 platform, including custom controller board development, firmware optimization, FPC customization, optical bonding, and complete touch display integration. Whether your project requires a standalone touch panel or a fully integrated TFT LCD module, our engineering team can customize a reliable solution to meet your application requirements.
The ILITEK ILI2511 is a professional projected capacitive touch controller designed to support medium and large-size touch panels used in industrial and commercial equipment.
It converts touch signals detected by the sensor into digital data that can be processed by the host system. With advanced signal processing algorithms and strong noise immunity, the ILI2511 delivers smooth multi-touch performance even in electrically noisy environments.
The controller supports both USB and I2C communication, making it easy to integrate with embedded systems, ARM platforms, industrial PCs, single-board computers, and Windows-based devices.
Typical applications include:
The ILI2511 supports up to 10 simultaneous touch points, allowing smooth gesture recognition including pinch-to-zoom, rotation, swipe, and multi-finger interaction.
Benefits include:
The controller supports both:
This flexibility enables integration into various embedded systems without requiring additional hardware redesign.
USB is suitable for plug-and-play industrial PCs and Windows systems, while I2C is widely adopted in embedded Linux, Android, and MCU-based devices.
Industrial environments often contain electrical noise generated by motors, inverters, relays, and switching power supplies.
The ILI2511 incorporates optimized signal processing algorithms that improve:
These features make it suitable for demanding industrial and outdoor applications.
Touch latency has a direct impact on user experience.
The ILITEK ILI2511 provides:
This ensures fast and accurate touch feedback for industrial HMI systems, medical devices, and interactive displays.
Power efficiency is particularly important for portable and battery-powered equipment.
Typical operating current:
The low-power architecture helps reduce heat generation while extending system operating time.
The ILI2511 controller supports multiple operating systems, simplifying software integration and reducing development time.
Supported platforms include:
Custom firmware can also be developed to meet specific project requirements.
Technical Specifications
| Item | Specification |
|---|---|
| Controller IC | ILITEK ILI2511 |
| Interface | USB / I2C |
| Touch Technology | Projected Capacitive (PCAP) |
| Maximum Touch Points | 10 |
| Maximum Channels | Tx23 + Rx41 (68 Channels) |
| Response Time | <10 ms |
| Report Rate | 100 points/sec |
| Operating Frequency | 100 MHz |
| Input Voltage | USB 5V DC |
| Active Current | <15 mA |
| Idle Current | Approximately 5 mA |
| Linearity | ±1 mm (Single Point), ±2.5 mm (10 Points) |
| Operating Temperature | -20°C to +85°C |
| Storage Temperature | -40°C to +100°C |
| Relative Humidity | ≤90% RH |
Compared with general-purpose consumer touch controller solutions, the ILITEK ILI2511 offers several advantages that are especially valuable in industrial environments.
Designed for long-term stability in harsh operating conditions.
Supports multiple operating systems and communication interfaces.
Compatible with custom capacitive touch panels and TFT LCD modules.
Accurate touch detection with low latency and high responsiveness.
Supports firmware tuning, FPC customization, and controller board optimization according to project requirements.
These features make the ILI2511 an excellent choice for engineers seeking a reliable touch controller for industrial, medical, transportation, and commercial applications.
https://www.szdingtouch.com/new/ILITEK-Touch-Controller-IC-Selection-Guide.html







DINGTouch :Committed to continuous innovation and improvement of product quality to meet customers' high requirements and expectations.
DINGTouch is a manufacturer that provides high quality touch screen panels. Focus on the design, manufacturing and sales of touch screen panels, and are committed to providing customized solutions that satisfy customers.
DINGTouch: In the process of customizing touch screen panels, we focus on close cooperation and communication with customers. Understanding customers' needs and providing customized solutions will meet customers' individual needs. The company's products are favored by customers for their high quality and reliability, and provide them with the best touchscreen panel solutions.
At DINGTOUCH, we are the world's leading touchscreen manufacturer, helping businesses around the world take advantage of this exciting technology. For more information, please visit the home page now.
Find the DINGTouch technical team to achieve the success of your company's new project.
DINGTouch is a company specializing in the R&D and production of touch screen technology, headquartered in Shenzhen, China. As a professional touch screen supplier, DINGTouch is committed to providing high-quality, stable and reliable touch screen products to meet the diverse needs of customers. We continue to carry out technological innovation and product optimization to ensure that its touch screen products have good sensitivity, accuracy and durability.
In addition to the products themselves, we also focus on cooperation and communication with customers, and are committed to providing customized solutions and excellent after-sales services. Through continuous efforts to improve product quality and customer satisfaction, we have established a good reputation in the touchscreen industry and won widespread market recognition.
• PCAP maximum size 65”
• Multi-touch (Touch screen can be customized to your needs.)
• Optical bonding service/air bonding
• LCD interface: HDMI/RGB/MIPI/LVDS/EDP, etc.
• PCAP interface: IIC/USB interface
• CTP can customize the cover glass surface treatment process AG (anti-glare), AR (anti-reflection), AF (anti-fingerprint), waterproof, and glove touch
• Supports 0.55 mm-12 mm coverslip touch.
• Support operating temperature: -40℃-90℃.
In conclusion, Dingtouch as a professional touch screen manufacturer with more than 10 years touch screen experience.We have many capacitive touch screen. Such as5 inch touch screen,7 inch touch screen,10.1inch touch screen,15 inch touch screen,15.6 inch touch screen,17 inch touch screen,18.5 inch touch screen,19 inch touch screen,21.5 inch touch screen,32 inch touch screen, However, we also welcome to customize your own touch screen . Contact our team today to learn what capacitive touch screen are best for our retail business needs.
Contact us NOW! sales@szdingtouch.com
Contact: Dingtouch
Phone: +8615815536116
Tel: +8615815536116
Email: sales@szdingtouch.com
Add: Building A, Bailu Plaza, No. 48, Gonghe Industrial Road, Gongle Community, Xixiang Street, Baoan District, Shenzhen,China. 518126