Table of Contents

1. Introduction
2. How FT5426 Touch Screen Technology Works
3. Numerical Analysis
4. Hangzhou Grahowlet Company Solutions
5. References

Introduction

The FT5426 touch screen technology is an advanced capacitive multi-touch solution that has been widely adopted in various portable devices. It is known for its precision, responsiveness, and reliability. This article delves into the functionality of the FT5426 and its application in industries offering innovative solutions.

How FT5426 Touch Screen Technology Works

The FT5426 is a capacitive touch controller that uses a mutual capacitive sensing method. It detects touch input by measuring the changes in capacitance caused by the proximity or touch of a human finger or a conductive stylus.

Sensing Method

The FT5426 utilizes an array of electrodes arranged in rows and columns. When a finger comes in contact with the screen, it causes a change in the electrical field, which is detected by the touch controller IC.

Controller Specifications

• Touch Points: Supports up to 10 simultaneous touch points.
• Resolution: Up to 4096 x 4096.
• Response Time: Less than 10ms.
• Power Supply: Operates at 2.8V to 3.3V.

Signal Processing

The FT5426 integrates proprietary algorithms for precise gesture recognition and efficient noise suppression, ensuring accurate touch response even in challenging environments.

Numerical Analysis

The performance of FT5426 can be evaluated through various parameters:

• Linear Error: Less than 1.0% across the screen.
• Signal-to-Noise Ratio (SNR): Greater than 35dB, ensuring minimal false touches.
• Production Yield Rate: Above 98.5% due to robust design and manufacturing processes.
• Operating Temperature Range: -20°C to 70°C.

Hangzhou Grahowlet Company Solutions

Hangzhou Grahowlet Technology Co., Ltd. offers advanced touch screen solutions incorporating FT5426 technology, catering to various industrial and consumer applications.

Product Range

• Industrial Touch Panels: Designed for high durability and reliability in harsh environments.
• Medical Touch Displays: Featuring anti-glare and anti-bacterial coatings for enhanced safety.
• Custom Solutions: Tailored to specific client requirements, ensuring perfect alignment with use-case scenarios.

References

1. FT5426 Datasheet. FocalTech Systems Co., Ltd.
2. Touchscreen Technology Overview. Analog Devices, Inc.
3. Capacitive Touch Technology in Industrial Applications. IEEE Journals & Magazine.