IP4056CX8/LF,135

Overview

The IP4056CX8/LF,135 is an integrated EMI filter and ESD protection device manufactured by NXP USA Inc. It features a Pi-filter topology designed for signal line protection in high-speed data applications. The component integrates passive filtering elements with electrostatic discharge protection diodes to suppress electromagnetic interference while safeguarding sensitive downstream circuitry from voltage spikes. Packaged in an 8-ball Wafer Level Chip Scale Package (WLCSP), it offers a compact footprint suitable for space-constrained mobile and consumer electronics designs requiring robust signal integrity management.

Feature Summary

• Integrates RC Pi-filter topology for effective EMI suppression on data lines
• Provides built-in ESD protection to shield sensitive interfaces from static discharge events
• Utilizes WLCSP packaging for minimal board space consumption and low profile

Applications

• High-speed data line protection in mobile devices
• EMI mitigation for USB and peripheral interfaces
• Signal integrity enhancement in consumer electronics

Procurement Notes

Verify the complete part number including the suffix ,135 which indicates tape and reel packaging configuration. Confirm the specific variant matches your design requirements for pinout and electrical characteristics. Ensure compatibility with your assembly process regarding the WLCSP package type and reflow soldering profiles specified in the official datasheet.

Selection Notes

Select this component when simultaneous EMI filtering and ESD protection are required on a single signal line. The Pi-filter structure is optimal for attenuating high-frequency noise without significant signal degradation. Consider the WLCSP form factor if board real estate is limited. Validate that the integrated capacitance and resistance values align with the impedance matching requirements of your specific interface standard.

Part Context

This component belongs to NXP's portfolio of integrated protection devices designed for modern electronic systems. It addresses the dual challenges of signal integrity and hardware reliability in compact form factors. The integration of filtering and protection functions reduces the bill of materials and simplifies layout compared to discrete solutions.

Replacement Considerations

Check for direct substitutes within the IP4xxx series that offer similar Pi-filter configurations and WLCSP8 packages. Verify pin-to-pin compatibility and equivalent electrical performance metrics before substitution.

FAQ

What is the primary function of the IP4056CX8/LF,135?

It serves as an integrated EMI filter and ESD protector for data lines using a Pi-filter topology.

What package type does this component use?

It utilizes an 8-ball Wafer Level Chip Scale Package (WLCSP).