CYAT81682-100AS71Z

Touch Screen Controllers Overview

The Infineon Technologies CYAT81682-100AS71Z is a capacitive touchscreen controller within the TrueTouch Standard Series. It integrates an ARM Cortex CPU and supports I2C and SPI interfaces for system communication. The device operates on a supply voltage range of 1.71 V to 5.5 V with a typical operating current of 20 mA. It features a 32-bit resolution and includes four ADC inputs for sensor signal processing. The component is housed in a TQFP-100 package and is rated for an industrial temperature range from -40°C to +105°C.

Touch Screen Controllers Feature Summary

• Integrated ARM Cortex CPU architecture for advanced touch processing
• Dual interface support via I2C and SPI protocols
• Wide operating voltage range from 1.71 V to 5.5 V
• Industrial temperature rating up to +105°C

Touch Screen Controllers Applications

• Capacitive multi-touch display systems
• Industrial control panels requiring wide temperature operation
• Consumer electronics with high-performance touch interfaces

Touch Screen Controllers Procurement Notes

Verify the specific suffix 'S71Z' against official Infineon documentation to confirm environmental compliance and tape-and-reel packaging specifications, as distributor data may vary. Confirm moisture sensitivity levels and recommended reflow soldering profiles prior to assembly.

Touch Screen Controllers Selection Notes

Select this model when an integrated processor core is required for complex gesture recognition or custom touch algorithms. Ensure the design accommodates the TQFP-100 footprint and validates power supply stability within the 1.71 V to 5.5 V range for reliable operation across the specified temperature spectrum.

Touch Screen Controllers Part Context

This part belongs to the CYAT81682 series, which utilizes the TrueTouch technology platform. Variations in the suffix typically denote differences in packaging quantity, reel configuration, or specific environmental certifications rather than functional changes to the silicon die.

Touch Screen Controllers Replacement Considerations

Direct pin-to-pin replacements within the same family include CYAT81682-100AA71Z and CYAT81682-100AS77Z. Verify that the alternative suffix matches the required operating temperature range and packaging format before substitution.