Cypress Semiconductor USB Controller 4-Channel Surface Mount QFN, -40°C to 85°C, 68-Pin CYUSB3304-68LTXI

Cypress Semiconductor’s CYUSB3304-68LTXI is a four-channel USB controller engineered for advanced embedded electronics, delivering reliable multi-channel USB communication in compact devices. This IC enables swift USB interfacing with a surface-mount QFN package featuring 68 pins, optimized for space-saving board layouts and efficient automated assembly.

Operation is powered by a single supply, greatly simplifying power distribution in system designs. The controller’s extended temperature range, from -40°C to 85°C, ensures robust performance in demanding industrial, mobile, and automotive environments, including infotainment modules and portable sensor arrays. ESD protection is incorporated to reduce the risks posed by electrostatic discharge during handling and operation, increasing overall system reliability.

The surface-mount QFN package streamlines integration, minimizing device height and supporting slim product profiles. PCB designers benefit from the short thermal path offered by the QFN format, which facilitates the implementation of thermal vias and copper pours to aid in heat dissipation. Precise solder paste deposition and carefully profiled reflow processes are recommended to achieve reliable electrical joints in manufacturing.

This USB controller finds applications in multi-port USB hubs for compact and portable devices, automotive interfaces, and industrial controllers requiring resilient input/output performance. It also proves beneficial in environments where board space and vertical clearance are at a premium, such as mobile and automotive-adjacent communication systems.

Key features include 4 transceivers for multi-channel USB connectivity, single-supply operation, ESD protection, and a low-profile, surface-mount QFN package. The device is engineered to operate reliably across a broad temperature range, making it suitable for harsh environments.

Designed for compact embedded systems requiring multi-channel USB connectivity. Single-supply operation simplifies power rail integration for board designers. Includes robust ESD protection to safeguard sensitive electronics.

Surface-mount QFN package allows automated assembly and slim profile integration. Functions reliably across broad temperature ranges from -40°C to 85°C. Low-profile package is ideal for space-constrained applications. Enables multi-port USB hubs and automotive sensor modules with high durability.

Suitable for electronics, industrial controls, automotive interfaces, and commercial integration, this controller sets the standard for flexibility and reliability in modern USB hub solutions. Browse EnvMart’s USB Interface ICs and Cypress Semiconductor for more advanced connectivity options.