AT42QT1050-UUR

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The AT42QT1050-UUR family of capacitive touch controllers are devices used to detect and measure the change in capacitance between two electrodes on the device. They are designed to be used in a variety of electronic designs including mobile phones, tablets, and audio systems. The device can be used in many applications that require capacitive sensing, such as controls and buttons, as well as touchscreens, keypads and touchpads.

The AT42QT1050-UUR is an ultra-low power, high-performance capacitive touch controller with a wide dynamic range (up to 30pF). It is available in a range of packages including 7-pin SOT-23, 16-pin QFN, and 32-pin QFN. The device is powered by a 1.8V to 3.6V supply voltage and has a low-power sleep mode for power savings. It also incorporates a temperature compensation feature for improved accuracy over temperature range.

The AT42QT1050-UUR is a touch controller with two main operating modes: scan mode and monitor mode. In scan mode, the device periodically scans the touch channel and sends an interrupt when a change in capacitance is detected. In monitor mode, the device can be programmed to detect both a touch and a release of a touch. It can also be used to detect a presence of touch or proximity (without contact) of the touch channel.

The AT42QT1050-UUR uses a patented 4-level auto-calibration algorithm to accurately measure the change in capacitance of the touch channel. This allows the device to be used in a wide range of capacitive touch applications such as buttons, sliders, and wheels. It also features auto-sleep mode and touch debounce for improved false touch rejection and low power operation.

The AT42QT1050-UUR is a highly reliable device with a wide range of applications. It has a wide operating temperature range of -40°C to +85°C and an operating life of more than 100 million cycles. The device is also RoHS compliant and has an integrated temperature sensor for improved accuracy over temperature range.

In summary, the AT42QT1050-UUR is a highly reliable capacitive touch controller suitable for a variety of electronic designs. Its low-power architecture and wide dynamic range make it an ideal choice for mobile phones, tablets, and other devices requiring capacitive sensing. Its patented 4-level auto-calibration algorithm allows for accurate measurement of the change in capacitance of the touch channel, while its auto-sleep mode and touch debounce features provide improved false touch rejection and low power operation.

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