PM42052B-F3EI

Overview

The PM42052B-F3EI is a high-performance PCIe Gen4 switch manufactured by Microchip Technology. It features 52 lanes and 28 ports, designed for complex system interconnects. The device utilizes a 753-BBGA package with SMD/SMT mounting style. Key interfaces include PCIe, JTAG, UART, and 2-wire connections. This component is part of the Switchtec series and supports humidity-sensitive handling protocols.

Feature Summary

• Supports PCIe Gen4 standard for high-speed data transmission across multiple lanes
• Integrates programmable I/O capabilities for flexible system configuration
• Provides extensive port density with 28 ports and 52 lanes in a single chip

Applications

• PCIe switch implementations in server architectures
• High-bandwidth data center interconnect solutions
• Complex peripheral expansion systems requiring multi-lane connectivity

Procurement Notes

This component is officially listed as obsolete or end-of-life by the manufacturer. Availability is restricted to existing stock or third-party distributors. Verify authenticity carefully due to potential supply chain variations. Check datasheet revisions for any final design-in recommendations before integration into new hardware designs.

Selection Notes

Select this part only if legacy compatibility with specific Switchtec Gen4 architectures is required. Evaluate alternative newer generation switches for improved performance and availability. Confirm pinout and thermal requirements match the target PCB layout. Review official documentation for any known errata or design constraints associated with this specific model number.

Part Context

The PM42052B-F3EI belongs to Microchip's Switchtec family of PCIe switches. It represents a specialized solution for high-density interconnect needs within enterprise and industrial applications. The device integrates advanced switching logic with programmable I/O features to support diverse system topologies and communication protocols efficiently.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material. Consult Microchip Technology directly for current product line replacements or updated series equivalents that maintain functional compatibility.