The LAN9220-ABZJ is an industrial-grade Ethernet PHY transceiver from Microchip, designed for reliable 10/100 Mbps Ethernet connectivity in harsh environments. It supports MII (Media Independent Interface) and RMII (Reduced MII) protocols, enabling seamless integration with microcontrollers and embedded systems. Optimized for durability and energy efficiency, it is ideal for industrial and IoT applications requiring robust networking.

Key Features

• Ethernet standards: Supports 10BASE-T and 100BASE-TX over twisted-pair cables via MII/RMII interfaces.
• Auto-MDIX: Automatically detects and configures straight/crossover Ethernet connections, simplifying deployment.
• Low power operation: Consumes < 150 mW in active mode and supports low-power modes for energy-sensitive systems.
• Industrial-grade reliability: Operates across a -40°C to +85°C temperature range, with ±15 kV ESD protection and surge immunity.
• Flexible power supply: Functions with a 3.3V or 5V supply, ensuring compatibility with diverse systems.
• Compact QFN package: 5 mm × 5 mm footprint saves PCB space while maintaining performance.
• Integrated diagnostics: Includes link status monitoring and fault detection for enhanced network reliability.

Common uses include industrial automation, IoT gateways, smart sensors, embedded networking devices, building automation systems, and remote monitoring nodes. Its rugged design and auto-configuration features make it suitable for connecting industrial equipment, sensors, and edge devices to Ethernet networks.

The LAN9220-ABZJ delivers reliable 10/100 Mbps Ethernet connectivity in compact, energy-efficient form. Its industrial-grade performance, auto-detection capabilities, and flexibility make it a robust choice for embedded systems, factory automation, and IoT applications demanding durable networking solutions.