CYTMA445-44LQI33AA

Description：IC SCREEN CNTRL 32BIT 44QFN
Series：TrueTouch™

SKU:f258f263755d Category: Touch Screen Controllers Brand: Infineon Technologies

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Product introduction

Product Detailed Parameters

Description：IC SCREEN CNTRL 32BIT 44QFN
Series：TrueTouch™
Mfr：Infineon Technologies
Package：Tray
Touchscreen：2 Wire Capacitive
Resolution (Bits)：32 b
Interface：I2C, SPI
Voltage Reference：-
Voltage - Supply：1.71V ~ 5.5V
Operating Temperature：-
Mounting Type：Surface Mount
Package / Case：44-UFQFN Exposed Pad
Supplier Device Package：44-QFN (5x5)
Current - Supply：-
Grade：-
Qualification：-

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CYTMA445-44LQI33AA

Overview

The CYTMA445-44LQI33AA is a multi-touch capacitive touchscreen controller from Infineon Technologies, part of the CYTMA445 series. It integrates a 32-bit ARM Cortex CPU and supports up to 10 simultaneous touch points with thin gloves (≤1 mm) or two fingers with thick gloves (≤5 mm). The device features DualSense technology for water rejection and wet-finger tracking, along with ChargerArmor for noise immunity during charging. It operates within a voltage range of 1.71 V to 5.5 V and utilizes I²C and SPI interfaces. The component is housed in a 44-QFN package measuring 5x5 mm.

Feature Summary

Multi-touch support for up to 10 fingers with automatic mode switching for glove thickness
DualSense technology enabling water rejection and wet-finger tracking capabilities
ChargerArmor technology providing immunity to battery charger noise interference
Integrated 32-bit ARM Cortex CPU with register configurability

Applications

Smartphones and mobile devices requiring robust touch performance
Tablets and portable electronics operating in wet conditions
Industrial HMI panels exposed to environmental contaminants
Automotive infotainment systems with glove interaction requirements

Part Context

This component belongs to the Cypress (now Infineon) CYTMA445 family of all-points touchscreen controllers. These devices are designed for high-performance human-machine interfaces, offering field upgrades via bootloader and supporting Android drivers. The specific suffix indicates the 44-pin QFN package variant optimized for compact display control applications.

How to buy

Online and offline orders are supported. If the item is available for online purchase, you can place it in the cart; for wholesale pricing, please contact our product manager for a quote.

Payment Method

Payment methods: T/T, WeChat Pay, credit cards, Google Pay, Apple Pay . Buyer covers shipping, fees, duties, and taxes; contact our product manager if you need a contract/procurement process.

Delivery time

In-stock items usually ship within 24 hours. Otherwise, shipment is arranged 1 to 2 days after the items arrive at our warehouse. Timing depends on destination and shipping method.

Freight calculation

Freight cost depends on destination, package size, and weight . We offer shipping options via DHL, FedEx, UPS, and TNT , and can ship using your freight account upon request.

Mode of Transportation

We ship via DHL, FedEx, UPS, and TNT. If you prefer a specific logistics provider, we can ship using your designated carrier.

Return and Refund

Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.