Manufacturer Part Number: W5500 Manufacturer / Brand: WIZnet
Part of Description: Ethernet Controller 10/100 Base-T/TX PHY SPI Interface 48-LQFP (7x7) Lead Free Status / RoHS Status: table_img Lead free / RoHS Compliant
Ship From: HK/Shen Zhen Shipment Way: DHL/Fedex/TNT/UPS

Product parameters

Mounting StyleSMD/SMT
Product CategoryEEPROM
Memory Size2 kbit
Package / CaseLQFP-48
Output TypeDigital
Minimum Operating Temperature– 40 C
Maximum Operating Temperature+ 85 C
Factory Pack Quantity2500
SubcategoryCommunication & Networking ICs
Supply Current – Max132 mA
Unit Weight0.049384oz

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    The W5500 is a high-performance, low-power Ethernet controller chip designed by WIZnet. It integrates a TCP/IP stack, 10/100 Ethernet MAC, and PHY in a single chip, making it an ideal solution for Internet of Things (IoT) and embedded networking applications.

    Key Features:

    • Ethernet Connectivity: Supports 10/100 Mbps Ethernet connectivity with integrated MAC and PHY.
    • TCP/IP Stack: Built-in hardware TCP/IP stack with protocols such as TCP, UDP, ICMP, IPv4, ARP, IGMP, and PPPoE.
    • SPI Interface: Communicates with the host microcontroller via a SPI (Serial Peripheral Interface) interface.
    • Memory: Integrated 32 KB of internal buffer RAM for data transmission and reception.
    • Hardware Security: Supports hardware-based security features including WEP, WPA, WPA2-PSK, and SSL/TLS.
    • Low Power Consumption: Designed for low-power operation, suitable for battery-powered devices.
    • Industrial Temperature Range: Operates reliably in industrial temperature ranges from -40°C to +85°C.
    • Flexible Configuration: Provides options for configuring network settings, IP address, and other parameters via software.
    • Application Protocols: Supports various application protocols such as HTTP, FTP, DHCP, DNS, and MQTT.
    • RoHS Compliance: Meets Restriction of Hazardous Substances (RoHS) requirements for environmental safety.

    Typical Applications:

    • IoT Devices: Used in IoT edge devices for connecting sensors, actuators, and other devices to Ethernet networks.
    • Embedded Systems: Integrates into embedded systems for network connectivity and remote monitoring/control.
    • Industrial Automation: Applied in industrial automation and control systems for Ethernet-based communication.
    • Smart Home: Enables Ethernet connectivity in smart home devices for home automation applications.
    • Telecommunication: Used in network equipment such as routers, gateways, and switches.


    • Integrated Solution: Combines Ethernet MAC, PHY, and TCP/IP stack in a single chip, simplifying design and reducing component count.
    • High Performance: Provides efficient data communication with low latency and high throughput.
    • Versatility: Supports multiple network protocols and configurations for diverse application requirements.
    • Reliability: Offers robust performance and stability in demanding industrial and commercial environments.
    • Cost-Effective: Provides cost-effective Ethernet connectivity solution for embedded systems and IoT applications.