DESCRIPTION

· The CYTMA525 is a TrueTouch® Multi-Touch All-Points Touchscreen Controller by Cypress Semiconductor Corporation.

· It features a 32-bit ARM Cortex™ CPU and supports various touchscreen sensors and stackups.

· The controller is designed for multi-touch capacitive touchscreens with advanced noise suppression technologies.

FEATURES

· 32-bit ARM Cortex™ CPU for efficient processing.

· Register configurable with noise suppression technologies for battery charger and display.

· Water rejection and wet-finger tracking using DualSense™.

· Supports multi-touch glove, passive stylus, fingernail tracking, and hover finger tracking.

· Automatic baseline tracking to environmental changes and low-power look-for-touch mode.

· Field upgrades via bootloader and Android™ driver support.

· Touchscreen sensor self-test and Panel ID reporting.

· Screen sizes up to 3.0-inch diagonal with 4.3-mm electrode pitch.

· Reports up to 4 fingers with small finger support down to 4 mm and large finger support up to 30 mm.

· Refresh rate up to 300 Hz and TX frequency up to 500 kHz.

· Best-in-class charger noise immunity up to 60-V peak-to-peak (VPP).

· Power supply range: 1.71- to 5.5-V digital and I/O, 2.65- to 5.5-V analog.

· Average power consumption of 5.6-mW and deep-sleep power of 4.5-μW.

· Supports various communication interfaces including I2C and SPI.

· Available in 49-ball WLCSP and 48-ball UFBGA package options.

APPLICATIONS

· Suitable for multi-touch capacitive touchscreens in various devices.

· Ideal for applications requiring advanced noise suppression and environmental adaptability.

· Used in devices with LCD and AMOLED displays, including those with plastic (PET) and glass sensor substrates.

· Applicable in systems requiring fast first-touch response and high refresh rates.

· Suitable for devices needing field upgrades and Android™ driver support.