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CYUSB3304-68LTXI

IFXCYUSB3304-68LTXI

Infineon Technologies
ARM® Cortex®-M0 HX3 USB 3.0 Hub Controller Microcontroller IC ROM (32kB) 68-VFQFN Exposed Pad
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Overview

The CYUSB3304-68LTXI is a high-performance USB 3.0 hub controller from the EZ-USB HX3 family, featuring an integrated ARM Cortex-M0 processor and 32kB of ROM. It supports four downstream ports and is designed for high-speed data throughput with comprehensive battery charging support including USB-IF BC v1.2, Apple, and Ghost charging.

Why Choose This Part

This controller offers flexible configuration via pin-straps or I2C EEPROM, and features unique 'Shared Link' technology for embedded applications. It simplifies board design by integrating overcurrent detection and providing firmware upgrade paths for external ASSPs through the USB interface.

Applications

PC and Laptop Docking Stations
Utilizing individual or ganged power control and SS/USB 2.0 port indicators for high-reliability peripheral expansion.
Industrial USB Hubs
Operating over a wide temperature range of -40C to 85C for rugged environments requiring SuperSpeed data transfer.
Embedded USB Bridges
Leveraging vendor-command support to implement USB-to-I2C bridging and shared link capabilities for internal system routing.

Key Specifications

RAM Size 16K x 8
Interface I2C
Applications USB 3.0 Hub Controller
Mounting Type Surface Mount
Number of I/O 10
Core Processor ARM Cortex-M0
Package / Case 68-VFQFN Exposed Pad
Voltage - Supply 1.14V ~ 1.26V, 2.5V ~ 2.7V, 3V ~ 3.6V
Controller Series CYUSB
Program Memory Type ROM (32kB)
Operating Temperature -40degC ~ 85degC (TA)
Supplier Device Package 68-QFN (8x8)

Getting Started

Developers can customize configuration parameters using Infineon's 'Blaster Plus' software tool. The device supports In-System Programming (ISP) of an external EEPROM over USB, and evaluation can be performed using the CY4531 EZ-USB HX3 Evaluation Kit.

CYUSB3304-68 Family

Part NumberDifferenceStock
CYUSB3304-68LTXC C 693

Also Consider

CYUSB3314-88LTXC IFXInfineon Technologies - An alternative in the HX3 family that provides additional GPIOs and expanded features in an 88-pin package for more complex designs.