Microchip KSZ8893MQLI: 3-Port Managed Ethernet Switch with Integrated PHYs

The Microchip KSZ8893MQLI is a highly integrated, feature-rich managed Ethernet switch designed to address the growing connectivity demands of modern industrial, automotive, and embedded networking applications. This single-chip solution combines a 3-port Ethernet switch with two integrated 10/100 physical layers (PHYs), offering a compact and cost-effective architecture for designing robust networked systems.

A key advantage of the KSZ8893MQLI is its high level of integration. The device incorporates two full-featured MAC/PHYs for port 1 and port 2, alongside a single MAC-only interface for port 3, which typically connects to an external PHY or a host processor. This integration significantly reduces the total bill of materials (BOM), minimizes board space, and simplifies design complexity, accelerating time to market.

Despite its small footprint, the switch delivers comprehensive managed features essential for reliable and secure network operation. It supports advanced Quality of Service (QoS) with priority queues, VLAN tagging, and rate limiting to ensure deterministic data delivery for latency-sensitive traffic. For robust security, it offers Access Control List (ACL) functionality, port-based authentication, and secure management frames to protect against unauthorized access and network attacks.

The device is particularly well-suited for harsh environments, boasting superior ESD protection and meeting stringent industrial temperature ranges. Its support for multiple industrial protocols makes it an ideal choice for factory automation, industrial control systems, and in-vehicle networking.

ICGOOODFIND: The Microchip KSZ8893MQLI stands out as a powerful, all-in-one managed switch solution that masterfully balances performance, advanced management capabilities, and design simplicity. Its integrated PHYs and robust feature set make it an exceptional choice for developers building next-generation connected devices that require reliable and secure Ethernet communication.

Keywords: Managed Ethernet Switch, Integrated PHYs, Quality of Service (QoS), Access Control List (ACL), Industrial Networking.