CYTMA445-44LQI28AA

$3.10

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

SKU:336346ccf954 Category: Touch Screen Controllers Brand: Cypress Semiconductor Corp

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Product introduction

Product Detailed Parameters

Description：IC SCREEN CNTRL 32BIT 44QFN
Series：TrueTouch™
Mfr：Cypress Semiconductor Corp
Package：Bulk
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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CYTMA445-44LQI28AA

Overview

The CYTMA445-44LQI28AA is a multi-touch all-points touchscreen controller manufactured by Cypress Semiconductor. It integrates a 32-bit ARM Cortex CPU and supports two-wire capacitive touch interfaces with 32-bit resolution. The device operates on a supply voltage range of 1.71 V to 5.5 V and utilizes I²C or SPI communication protocols. It is housed in a 44-UFQFN package with an exposed pad, designed for surface mount installation.

Feature Summary

Integrated 32-bit ARM Cortex CPU for register configuration
Supports up to 10 simultaneous touch points
ChargerArmor technology for noise immunity during charging
DualSense technology for water rejection and wet-finger tracking

Applications

Multi-touch capacitive touchscreen controllers
Portable electronic devices requiring glove operation support
Displays with sensor pitches up to 4.8 mm

Part Context

This component belongs to the CYTMA445 series of multi-touch controllers. The suffix '28AA' typically denotes specific manufacturing lot, temperature grade, or packaging variations within the Cypress (now Infineon) product line, while the core functionality remains defined by the CYTMA445 architecture.

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.