PM43052B1-F3EI

Overview

The PM43052B1-F3EI is a high-performance PCIe switch from the Switchtec PFX-A series, designed for fanout applications. It supports 52 lanes and 28 ports with Gen4 speed capabilities. The device features hot- and surprise-plug controllers for each port and advanced error containment mechanisms. Packaged in a 753-BGA (29x29 mm) surface-mount case, it integrates robust system integration and diagnostics tools for reliable operation in demanding environments.

Feature Summary

• Supports 52-lane Gen4 data transfer architecture
• Integrates hot- and surprise-plug controllers per port
• Features advanced error detection and correction capabilities
• Provides robust system integration with diagnostic tools

Applications

• High-performance computing systems
• Automotive applications requiring fast communication
• Fanout PCIe switch configurations
• Systems needing reliable fault management

Procurement Notes

Verify the specific ordering suffix F3EI against official Microchip Technology documentation to ensure correct package type and temperature range specifications. Confirm that the 753-BGA footprint matches your PCB design requirements. Check for any recent lifecycle status updates or alternative pin-compatible options if supply constraints exist. Ensure compliance with RoHS and other relevant regulatory standards for your target market.

Selection Notes

Select this component when a high-density PCIe fanout solution with Gen4 speeds is required. The 28-port configuration suits complex topologies needing extensive connectivity. Consider the integrated error containment and diagnostic features for critical infrastructure where reliability is paramount. Evaluate thermal performance within the 753-BGA package for your specific enclosure constraints.

Part Context

This part belongs to the Switchtec PFX-A series of PCIe switches by Microchip Technology. It is engineered for scalable, high-throughput interconnects. The series emphasizes low latency and power efficiency while maintaining signal integrity across multiple lanes. It complements other Switchtec products in enterprise and industrial networking solutions.

Replacement Considerations

Consult official Microchip cross-reference guides for compatible alternatives. Verify pin-to-pin compatibility and electrical parameter alignment before substitution. Ensure the replacement part supports the same Gen4 lane count and port configuration.