MQTT Ethernet Client Chip – IS4510

The IS4510: Your Fast Track to IoT with the MQTT Ethernet Client Chip

The MQTT Ethernet Client Chip IS4510 is a dedicated communication solution designed to eliminate the most significant hurdles in developing connected devices: the integration of the complex Ethernet stack and the MQTT application layer. MQTT (Message Queuing Telemetry Transport) is the global standard for IoT messaging, prized for its lightweight, efficient publish/subscribe model. The IS4510 puts this entire, time-consuming protocol suite—from the TCP/IP layers right up to MQTT session management—into a single, compact integrated circuit.

Massive Savings in Time and Development Cost

Implementing a full Ethernet and TCP/IP stack in firmware, along with a robust MQTT client that supports Quality of Service (QoS), keep-alives, and session handling, demands extensive time, high memory resources, and specialized firmware engineers. The IS4510 completely abstracts this complexity. Your host microcontroller (MCU) simply connects via the easy-to-use I2C interface and sends high-level commands, such as “PUBLISH data to this TOPIC.”

This hardware acceleration provides two critical advantages:

• Shorter Time-to-Market: Skip months of development time dedicated to network stack debugging and protocol compliance testing.

• Resource Optimization: Free up your microcontroller’s limited flash memory, RAM, and processing cycles for your core application logic, allowing the use of smaller, more cost-effective MCUs.

Seamless Data Transfer to Any MQTT Broker

The core benefit of the MQTT Ethernet Client Chip is its simplicity. Whether you are grabbing data from a sensor, a PLC, or a simple switch, you can send that payload directly to your MQTT broker—be it a private server or a major cloud platform like AWS IoT or Azure IoT Hub. The IS4510 handles all the intermediary steps: establishing the Ethernet connection, maintaining the TCP socket, managing the MQTT connection state, and ensuring message reliability via built-in QoS support.

• I2C Interface: Low-pin-count connection for fast, reliable data exchange with the host MCU.

• Integrated MQTT Stack: Handles CONNECT, PUBLISH, SUBSCRIBE, PING, and DISCONNECT messages automatically.

• Reliable Messaging: Built-in support for multiple Quality of Service (QoS) levels, guaranteeing message delivery even across unreliable networks.

For applications requiring different networking solutions, review our range of IoT Protocol Chips. To gain a technical understanding of the protocol driving this communication, explore the MQTT Wikipedia page.

Designed for Robust Industrial IoT (IIoT)

The IS4510 is perfect for applications requiring robust, wired connectivity in harsh environments, such as industrial sensors, remote monitoring stations, and building automation systems. By integrating the complete stack into verified silicon, the chip provides predictable, reliable performance, positioning the MQTT Ethernet Client Chip as the premier choice for professional IoT deployments.