CYAT81688-100AS71KH

Touch Screen Controllers Overview

The CYAT81688-100AS71KH is a capacitive touchscreen controller from Infineon Technologies, part of the TrueTouch Standard family. It operates on a PSoC architecture with CMOS input type and supports I2C and SPI interfaces. The device functions within a supply voltage range of 1.71 V to 5.5 V and includes four ADC inputs. It is housed in a TQFP-100 package suitable for SMD/SMT installation. The component supports a 32-bit resolution and operates reliably between -40°C and +105°C.

Touch Screen Controllers Feature Summary

• Capacitive touch sensing with TrueTouch technology
• Dual interface support: I2C and SPI
• Integrated 4-channel ADC inputs
• Wide operating temperature range (-40°C to +105°C)

Touch Screen Controllers Applications

• Industrial control panels requiring wide temperature tolerance
• Medical devices needing reliable capacitive touch interfaces
• Automotive infotainment systems

Touch Screen Controllers Procurement Notes

Verify availability status as distribution may be restricted in certain regions. Confirm moisture sensitivity handling requirements during storage and assembly. Ensure the TQFP-100 package compatibility with PCB design constraints before ordering.

Touch Screen Controllers Selection Notes

Select this model when I2C or SPI communication is required alongside integrated ADC capabilities. The 1.71V to 5.5V supply range allows flexibility in power design. Consider the TQFP-100 footprint for board space planning.

Touch Screen Controllers Part Context

This component belongs to the CYAT81688 series by Infineon Technologies. It is categorized under Touch Screen Controllers and Data Converter ICs. The TrueTouch branding indicates specific capacitive sensing algorithms optimized for user interaction.

Touch Screen Controllers Replacement Considerations

Check CYAT81688-100AS71T for reel packaging alternatives. Verify CYAT81688-100AA71 for tray packaging variations within the same series.