SX9306ICSTRT

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Introduction

The SX9306ICSTRT IC is a high performance, low voltage, ultra-low power capacitive sensing IC designed for applications such as automotive, handhelds, home appliances and wearables. This IC is designed to provide a reliable, accurate and low power capacitive sensing solution. The IC is based on NXP\'s patented Self Tuning Capacitive Touch technology (STCT) and is designed to enable capacitive sensing solutions with long touch experience. It offers an increased sensing range, faster wake up time, improved noise immunity and can be used for button, slider, or gesture applications.

Application Field

The SX9306ICSTRT IC is suitable for a wide range of applications such as automotive, handhelds, home appliances, and wearables. It is ideal for applications such as capacitive buttons, sliders, and gesture control.

In automotive applications, the SX9306ICSTRT IC is used to provide touch sensing solutions for buttons, control knobs and instrument cluster. It is also be used to detect the presence of hands or objects to trigger features such as seat adjustment or illumination control.

In home appliances, the SX9306ICSTRT IC can be used to control functions such as temperature, fan speed or lighting. It is also used for navigation of menu system or for creating gesture controls. It can also be used to detect the presence of hands or objects to trigger features such as parental control.

In wearables, the SX9306ICSTRT IC is used for creating touch and gesture controls for smart watches and fitness bracelets. It can also be used for menu navigation or for implementing special functions, such as control of background illumination or vibration alerts.

Working Principle

The SX9306ICSTRT IC works by detecting capacitance changes in sensing structures such as buttons, sliders and other objects. The device uses a patented algorithm to adaptively get optimum performance of the sensing structures over time in the presence of temperature and humidity changes. The device provides a high sensitivity, low noise and fast recovery time. It detects very small capacitance changes effectively.

The IC has integrated hardware and software that allow the device to quickly and accurately detect and process a wide range of capacitance changes. The device has an integrated oscillator that is used to generate a periodic square wave signal. The IC is able to detect and monitor the change in capacitance at the sensing electrode. This change is then compared to a programmable threshold value and, if the threshold is exceeded, the IC will generate an interrupt request.

The IC also contains an embedded configurable digital filter that allows the device to accurately filter out noise and ensure the highest accuracy in sensing and detection. The device is also equipped with an innovative calibration system that periodically adjusts the sensing parameters such as sensitivity, offset and response time in order to provide consistent performance over time.

Additionally, the SX9306ICSTRT IC features advanced power management techniques that allow it to maintain an ultra-low power operation in both normal and standby mode. This makes the device ideal for battery operated applications.

Overall, the SX9306ICSTRT IC is a high performance, low-voltage, ultra-low-power capacitive sensing solution for a wide range of capacitive sensing applications, such as automotive, handhelds, home appliances, and wearables.

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