AT42QT4160-MU

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The AT42QT4160-MU is a finger detection and wake up touch controller from ATMEL. It is a versatile device, capable of being used in multiple applications, ranging from consumer and industrial applications to medical and automotive systems. This controller is specifically designed for use in any system where a simple, low-cost solution for touch recognition is required.

Application Field

The range of applications that the AT42QT4160-MU can be utilized in is virtually limitless. The device has been designed with several features that make it an ideal solution for a variety of applications. These features include an ultra low-power mode, an advanced low-power, low-frequency oscillator, wake-up on detection of finger proximity and finger gesture recognition. With its low power modes, the device can be used in systems that require long battery life, and its ability to detect a finger proximity or gesture gives it the flexibility to be used in a wide range of user inputs. This controller can be used to detect a finger tap, slide, and proximity for user interactions in consumer and industrial, medical and automotive systems.

Working Principle

The AT42QT4160-MU utilizes an advanced low-power, low-frequency oscillator with an integrated finger detection channel. This channel produces a low-power, low-frequency electrical field and then detects any disturbances in the field due to a finger, such as a finger tap, slide or proximity. When a finger is detected, the device wakes up, producing an electrical conductance pattern as a result. This conductance pattern is then analyzed and interpreted by the device, allowing for finger gestures to be detected, enabling the controller to detect user interactions.

Conclusion

The AT42QT4160-MU is the perfect solution for any application requiring a simple and low-cost solution for finger detection or wake-up capability. With its low power modes, advanced low-frequency oscillator and integrated detection channel, it can be used in a variety of areas, from industrial and medical systems to consumer and automotive applications. This device is an ideal choice for any user looking for a reliable and efficient touch screen controller.

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