CYAT61659-56LWA41

Overview

The CYAT61659-56LWA41 is a capacitive slider controller manufactured by Infineon Technologies, part of the TrueTouch family. It integrates an ARM Cortex CPU for advanced signal processing and touch sensing capabilities. The device supports I2C and SPI interfaces for system communication. It operates within a supply voltage range of 1.71 V to 5.5 V and functions reliably across temperatures from -40 °C to +105 °C. Housed in a QFN-56 package suitable for SMD/SMT installation, this component is designed for high-performance touch applications requiring robust slider detection.

Feature Summary

• Integrated ARM Cortex CPU for efficient data processing
• Supports both I2C and SPI communication protocols
• Wide operating temperature range up to +105 °C
• Capacitive slider controller architecture

Applications

• Industrial control panels with slider inputs
• Automotive interior interface modules
• Consumer electronics requiring linear touch controls

Procurement Notes

Verify the specific suffix '56LWA41' against official Infineon documentation to confirm pinout and electrical characteristics, as variations exist within the CYAT61659 series. Confirm moisture sensitivity level (MSL) requirements for reflow soldering processes. Check current availability status directly with authorized distributors or Infineon sales channels due to potential supply constraints.

Selection Notes

Select this model when a QFN-56 package is required instead of the TQFP-64 variant. Ensure the design supports the higher maximum operating temperature of +105 °C if used in automotive or industrial environments. Verify that the host system can accommodate the I2C/SPI interface speeds and power consumption profiles specified in the datasheet.

Part Context

This component belongs to the Infineon TrueTouch capacitive sensing portfolio. It shares core functionality with other CYAT61659 variants but differs in packaging and potentially thermal ratings. The QFN-56 form factor offers a compact solution for space-constrained designs compared to larger packages like TQFP.