W5500 48-LQFP (7×7) IC CTLR 3-1 ETH TCP/IP 48LQFP

The WIZnet W5500 is a hardwired Ethernet controller IC with an embedded TCP/IP protocol stack, supporting 10/100Mbps Ethernet connectivity via a SPI interface. Built for speed and efficiency, it supports up to 8 simultaneous sockets, ideal for embedded systems, IoT devices, home automation controllers, and industrial networking.

Thanks to its LQFP-48 package, the W5500 is compact and easily integratable into any PCB design.

Key Features:

• Built-in Hardwired TCP/IP Stack (IPv4, TCP, UDP, ICMP, ARP, IGMP, PPPoE)

• High-Speed SPI Interface: Up to 80 MHz SPI for fast data transfers

• Supports 8 Independent Sockets Simultaneously

• 10/100Mbps Ethernet MAC & PHY Embedded

• Internal 32 KB Memory for TX/RX Buffers

• Wake-on-LAN & Power-Down Mode Support

• Auto Negotiation (Full/Half Duplex) and Auto-MDI/MDIX

Specifications:

• Interface: SPI (4-wire or 3-wire, up to 80MHz)

• Operating Voltage: 3.3V (I/O tolerant to 5V)

• Package Type: LQFP-48 (7 7 mm)

• Internal Memory: 32KB

• Max. Sockets: 8

• Ethernet Support: 10Base-T / 100Base-TX

• Power Saving Modes: Power-down & Wake-on-LAN

• Operating Temperature: 40C to +85C (Industrial Grade)

Applications:

• Embedded Ethernet Devices

• IoT Controllers and Gateways

• Industrial Networking Equipment

• Remote Monitoring & Control Systems

• Arduino, STM32, and ARM-Based Boards