PCAP Touch Controllers for touch screens | UICO
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controllers for touch display

duraTouch® PCAP Touch Controllers

UICO has a range of PCAP touch controllers to allow our touch experts to select the best option for your application. From small to large touchscreen, single point to multi-touch, we have you covered. The dT series controllers have UICO’s proprietary waterSense® and gloveSense® algorithms for touch performance customization capabilities. See a summary of our controller specifications and capabilities below.

capacitive controllers
PCAP Controllers
touch screen controllers

To download the above chart with additional information: 

Key Functions of a Touch Controller

  • Signal Processing:

    • Reads raw signals from the touch sensor.

    • Detects changes in capacitance, resistive values, or other electrical properties caused by touch.

  • Coordinate Calculation:

    • Converts touch signals into specific coordinates (e.g., x and y positions) on the display.

    • Often supports multi-touch gestures by recognizing multiple simultaneous touch points.

  • Data Transmission:

    • Communicates touch data to the main device processor via standard protocols (e.g., I²C, SPI, or USB).

  • Filtering and Noise Reduction:

    • Eliminates electrical noise or interference that could cause erratic touch behavior.

    • Ensures smooth and accurate touch recognition.

  • Gesture Recognition:

    • Supports predefined gestures like pinch-to-zoom, swipe, tap, and double-tap.

    • Recognizes custom gestures if supported by the firmware.

  • Calibration and Adaptation:

    • Ensures consistent performance by calibrating the sensor to environmental factors like temperature, humidity, and contamination.

How it Fits Into a Touch System:

  • Touch Sensor Layer: Detects changes caused by touch.

  • Touch Controller: Interprets and processes these changes into usable data.

  • Main Processor: Receives data from the touch controller to execute user commands (e.g., opening an app or scrolling).

Types of Touch Controllers:

  • Capacitive Touch Controllers:

    • Designed for PCAP sensors.

    • Highly precise and responsive.

  • Resistive Touch Controllers:

    • Used in older or specialized touch systems.

    • Supports single-touch input.

  • Hybrid Controllers:

    • Support multiple technologies or specialized use cases, like rugged environments.

Touch Controller Applications:

  • Consumer Devices:

    • Smartphones, tablets, laptops, and smartwatches.

  • Industrial Equipment:

    • Touch interfaces in control panels and machinery.

  • Automotive Systems:

    • Infotainment screens and dashboard controls.

  • Point-Of-Sale (POS) Systems:

    • Touch controllers in retail devices.

Importance of Touch Controllers:

Without the touch controller, the touchscreen would not be able to reliably interpret touch interactions, making it a crucial component for the usability and functionality of touch-enabled devices

Complete solutions are available to meet your needs including touchscreen, cover lens, LCD, and optical bonding services.

Custom Solutions and Larger Sizes Available - Contact UICO Sales

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