CY7C65621-56LTXCKG

Overview

The CY7C65621-56LTXCKG is a USB High Speed Hub Controller from the EZ-USB HX2LP family, manufactured by Infineon Technologies (formerly Cypress Semiconductor). It supports the USB 2.0 standard with data rates up to 480 Mb/s. The device operates on a single 3.3 V power supply, with a voltage range of 3.15 V to 3.45 V and a typical operating current of 163 mA. It features two integrated transceivers and is housed in a 56-pin QFN package measuring 8 x 8 x 0.7 mm. The component is rated for industrial temperature ranges, typically -40°C to +85°C, and includes humidity sensitivity classification.

Feature Summary

• Integrates two high-speed USB transceivers within a compact controller architecture.
• Supports USB 2.0 protocol compliance for high-speed data transfer applications.
• Designed for low-power operation suitable for portable and space-constrained systems.

Applications

• USB hub expansion modules for embedded computing platforms.
• Peripheral connectivity solutions for industrial control equipment.
• Consumer electronics requiring multiple USB port aggregation.

Procurement Notes

Verify the specific suffix 'CKG' against official Infineon documentation, as distributor listings often reference variants like LTXIT or LTXCT. Confirm end-of-life status and moisture sensitivity level requirements before procurement. Ensure compatibility with existing PCB footprint designs for the 56-QFN package.

Selection Notes

Select this component when a dual-port high-speed USB hub solution is required in a small form factor. Compare power consumption metrics against alternative controllers if battery life is critical. Verify that the host system can provide the necessary 3.3 V rail with sufficient current capacity for the hub's operational load.

Part Context

This part belongs to the EZ-USB HX2LP series, which represents a low-power iteration of Cypress's USB controller lineup. The series was widely adopted before Infineon's acquisition of Cypress, leading to shared branding in legacy documentation. The HX2LP line focuses on reducing power dissipation while maintaining full USB 2.0 high-speed capabilities.

Replacement Considerations

Direct substitutes may include other CY7C65621 variants with different packaging or temperature grades, such as CY7C65621-56LTXIT. Cross-reference pinouts and electrical specifications carefully, as suffix changes may indicate differences in reel packaging or commercial vs. industrial temperature ratings rather than functional changes.