CY8CLED01D01-56LTXQ

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CY8CLED01D01-56LTXQ Application Field and Working Principle

This is an embedded microcontroller with an application-specific CY8CLED01D01-56LTXQ by Cypress. It is specially designed for capacitive touch sensing applications. It uses the popular CapSense technology that enables the use of touch sensing functions in a variety of products, such as PCs, phones, and appliances.

Features

• Sensor-enabled analog front end
• Shields for noise immunity and low cost
• Low-power operation (100 mW to 2 mW)
• Up to 32 full-touch channels
• Compact 48-QFN (5x5 mm)
• 2.5 V to 5.5 V application supply
• On-chip temperature sensor

Application Field

The CY8CLED01D01-56LTXQ is well suited for applications where touch sensing and control are desirable features. Its features make it ideal for use in portable devices, industrial controls and appliances, computer peripherals, home electronics, medical applications, automobiles, and many other types of user interfaces. Its low power consumption and small form factor make it ideal for embedded applications.

Working Principle

CY8CLED01D01-56LTXQ utilizes the CapSense technology that uses capacitive sensing to detect user input through the capacitive touch sensors on the device. The capacitive sensing works by generating an electric field on the surface and detecting any disturbances to it created by the user conducting touch. The electric field is generated by sending a series of signals with varying frequencies, voltages, and duty cycles to the electrodes of the capacitive touch sensor. Once the capacitive touch is detected, the device uses a sensing algorithm to compute and determine the location, presence, and other parameters associated with the user input.

The CY8CLED01D01-56LTXQ also includes noise immunity features, such as high common mode rejection, low-frequency noise rejection, and low-voltage noise rejection. This ensures that the device is able to increase its accuracy and robustness when detecting capacitive touch. Furthermore, the device offers a range of shield options for further EMI filtering and grounding for cost-effective flexibility.

Conclusion

The CY8CLED01D01-56LTXQ is an embedded microcontroller by Cypress that is ideal for capacitive touch sensing applications in a variety of products. It utilizes the CapSense technology and includes features such as noise immunity, shields, and a range of shield options. Furthermore, its low-power and small form factor make it ideal for use in embedded applications.

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