CG8374AFT

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CG8374AFT Application Field and Working Principle

The CG8374AFT is a touch screen controller developed by CPL Group srl. It is an integrated solution which unites two essential components of a touch screen system, the controller and the software. This controller is placed onto the system’s printed circuit board and uses thin film technology to measure the contact force of a finger on a touch panel. It thus enables multi-touch capabilities for input devices for industrial, automotive, to medical applications.

Working Principle

The CG8374AFT works on a thin film technology. This technology uses a printed circuit board or frame with an array of sensing electrodes. When a finger or any other object touches the touch panel an electrical field is generated which can be detected by the electrodes. This electrical field then generated waves that are processed by the controller. The controller then processes the waveforms to determine the X and Y coordinates of the touch. All this resulting data is then analyzed and the corresponding action is taken to allow the user to perform multi-touch input.

Application Field

The CG8374AFT is mainly used in industrial and commercial applications and has the capability to detect up to 8 contact points and distinguish between single-touch and multi-touch gestures. Its wide range of application is due to its thin-film technology. It can be found in automotive infotainment systems, scanned documents devices, for medical instruments, and for consumer applications. Also, it supports different form factors and screen sizes, enabling its use in devices such as smart phones, tablets, PCs, and gaming consoles.

Conclusion

The CG8374AFT is a touch screen controller developed by CPL Group srl. It works on a thin film technology which uses a printed circuit board or frame and an array of sensing electrodes to detect the contact force of a finger on a touch panel. The wide range of application of this controller is due to its thin-film technology and is primarily found in industrial, automotive and medical applications. It supports different form factors and screen sizes and thus can be used in a variety of devices.

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