CYTMA568-56LQI44BBT

Overview

The CYTMA568-56LQI44BBT is a TrueTouch multi-touch capacitive touchscreen controller featuring a 32-bit ARM Cortex CPU. It supports screen sizes up to 6.0 inches with a 5-mm sensor pitch and provides up to 44 sense I/O pins. The device operates on a 1.71-V to 5.5-V digital supply and a 2.65-V to 5.5-V analog supply, consuming 12 mW average power. Key features include ChargerArmor noise immunity, DualSense water rejection, passive stylus support, glove tracking, and hover finger detection.

Feature Summary

• Integrated 32-bit ARM Cortex CPU for register configuration
• ChargerArmor technology providing immunity up to 20 volts peak-to-peak
• DualSense technology for water rejection and wet-finger tracking
• Supports passive stylus input (1 mm) and hover finger tracking

Applications

• Multi-touch capacitive touchscreen systems
• Mobile devices requiring glove and stylus support
• Displays operating in high-noise charging environments

Procurement Notes

Verify the specific ordering suffix BB against the manufacturer's documentation to confirm feature segmentation. Ensure compatibility with the required sensor pitch and screen size constraints before procurement.

Selection Notes

Select this model for applications requiring simultaneous passive stylus, glove, and hover tracking capabilities. Confirm that the 56-pin QFN package fits the design footprint and that the 44 sense I/O pins meet the sensor matrix requirements.

Part Context

This component belongs to the Cypress Semiconductor TrueTouch Multi-Touch All-Points Controller family. It is designed to provide robust touch performance in challenging electrical environments through advanced noise suppression technologies.

Replacement Considerations

Check the official ordering information table for other CYTMA568 variants with different suffixes to find alternatives with or without specific features like hover or glove support.

FAQ

What is the maximum screen size supported by the CYTMA568-56LQI44BBT?

It supports screens up to 6.0 inches diagonal with a 5-mm sensor pitch.

Does this controller support operation with thick gloves?

Yes, it supports 2 fingers with thick gloves up to 5-mm thickness.

What communication interfaces are available?

It supports I2C slave at standard bit rates up to 3.4 Mbps and SPI slave up to 8 Mbps.