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Product Detailed Parameters
- Description：PCIE SWITCH GEN4 BBGA
- Series：Switchtec
- Mfr：Microchip Technology
- Package：Tray
- Applications：Controller
- Interface：JTAG, MII, RMII, UART, 2-Wire SMBus
- Voltage - Supply：-
- Package / Case：753-BBGA
- Supplier Device Package：753-BBGA (29x29)
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
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Overview
The PM41052B-F3EI is a Switchtec PSX Gen4 Programmable PCIe Switch supporting 52 lanes, 28 ports, and 26 virtual switch partitions. It features up to 48 Non-Transparent Bridges (NTBs), hot- and surprise-plug controllers per port, advanced error containment, comprehensive diagnostics, and an integrated MIPS processor.
Feature Summary
- High-performance non-blocking Gen4 switching with flexible lane bifurcation
- Advanced error containment including AER, DPC, and Upstream Error Containment
- Integrated NVMe-MI enclosure management with in-band and out-of-band support
- Comprehensive diagnostics with real-time eye capture and external loopback
Applications
- PCIe SSD enclosures
- Flash arrays
- Multi-host architectures
- High-density servers
- Blade servers
Procurement Notes
Verify the specific ordering suffix against official Microchip documentation to confirm package type and temperature range. Ensure compatibility with required firmware versions for NVMe-MI and NTB configurations before procurement.
Selection Notes
Select this model for applications requiring 52 lanes and 28 ports. Consider higher-lane variants like PM41100 for larger topologies or lower-lane options like PM41036 for cost-sensitive designs. Verify I/O interface requirements against available TWI, UART, and Ethernet MAC options.
Part Context
Part of the Switchtec PSX Gen4 family, offering programmable PCIe switching solutions. Designed for high-reliability data center environments requiring robust error handling and advanced diagnostic capabilities.
Replacement Considerations
PM41068B-FEI offers 68 lanes and 36 ports. PM41036B-F3EI provides 36 lanes and 20 ports. Both are compatible with the same SDK and feature set.
FAQ
What is the maximum number of NTBs supported?
Up to 48 NTBs can be assigned to any port.
Does it support NVMe enclosure management?
Yes, it includes integrated NVMe-MI with in-band SES and native NVMe stack support, plus out-of-band MCTP via I2C.
What diagnostic tools are included?
It features real-time eye capture, external loopback, performance counters, and ChipLink Diagnostic Tools with GUI access.
