LX7203-15ISM

Overview

The LX7203-15ISM is a USB line terminator integrated circuit designed for electromagnetic interference (EMI) filtering and electrostatic discharge (ESD) protection in upstream USB ports. Manufactured by Microsemi Corporation, this component operates within a supply voltage range of 4.5 V to 5.5 V, with a typical operating voltage of 5.25 V. It is housed in a compact SC70-6 surface-mount package, suitable for space-constrained applications. The device supports an operating temperature range from -40°C to +125°C, ensuring reliability in harsh environments. It provides dual terminal protection for USB data lines.

Feature Summary

• Provides integrated EMI filtering and ESD protection specifically for USB upstream ports
• Designed as a signal terminator to maintain signal integrity on USB data lines
• Operates reliably across an extended industrial temperature range

Applications

• Upstream USB port protection in host controllers
• USB hub interface circuits requiring EMI suppression
• Consumer electronics with USB connectivity interfaces

Procurement Notes

Verify the exact manufacturer designation and package marking against official Microsemi documentation before procurement. Confirm that the SC70-6 package matches the required footprint for the design. Ensure compliance with RoHS standards if applicable to the target assembly. Check current availability status as distribution channels may vary. Validate that the component meets the specific electrical requirements for the USB application environment.

Selection Notes

Select this component when dedicated EMI filtering and ESD protection are required for USB upstream connections. The SC70-6 package offers a small form factor ideal for portable devices. Consider the operating temperature range if the application involves extreme environmental conditions. Verify compatibility with the system's voltage levels and signal integrity requirements prior to integration into the circuit design.

Part Context

This part belongs to the family of signal terminators and protection devices produced by Microsemi Corporation. It serves as a specialized solution for managing electromagnetic interference and static discharge in high-speed digital interfaces like USB. The component integrates passive filtering elements with protection structures to safeguard sensitive downstream components from electrical stress and noise.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation.