LX7203-22ISM

Overview

The LX7203-22ISM is a USB line terminator integrated circuit designed for upstream USB ports, manufactured by Microsemi Corporation. It provides essential EMI filtering and electrostatic discharge (ESD) protection within a compact SC-70-6 package. The device integrates signal termination functions to maintain signal integrity while suppressing electromagnetic interference. This component is specifically engineered to protect USB interfaces from transient voltage events and radiated noise, ensuring reliable data transmission in portable and desktop computing applications.

Feature Summary

• Integrates EMI filtering capabilities to suppress electromagnetic interference on USB lines
• Provides robust electrostatic discharge (ESD) protection for sensitive upstream ports
• Combines signal termination with protection functions in a single compact IC

Applications

• Upstream USB port protection in personal computers
• EMI suppression for mobile device USB interfaces
• Signal integrity enhancement in consumer electronics

Procurement Notes

Verify the exact manufacturer designation as Microsemi Corporation or its successor entity, Microchip Technology, due to corporate acquisitions. Confirm the package type matches the specified SC-70-6 configuration. Check datasheet revisions to ensure compatibility with current design requirements. Validate that the component meets the intended EMI and ESD performance standards for the specific application environment before finalizing procurement.

Selection Notes

Select this component when designing circuits requiring combined EMI filtering and ESD protection for USB upstream connections. The SC-70-6 package offers space efficiency for compact devices. Ensure the design accommodates the specific termination characteristics of the LX7203-22ISM to maintain proper signal levels. Consider the thermal and electrical constraints of the target application to verify suitability.

Part Context

This part belongs to the interface signal terminator category, specifically tailored for USB applications. It addresses the dual needs of signal termination and environmental protection in high-speed digital interfaces. The integration of these functions reduces component count and board space compared to discrete solutions.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing designs if sourcing from alternative manufacturers, as pinouts and electrical characteristics may differ.