IO-Link® is a 3-wire industrial communications standard designed for linking sensors and actuators into control networks. In IO-Link applications, the transceiver acts as the physical layer interface to a microcontroller running the data-link layer protocol while supporting up to 24V digital inputs and outputs. Maxim transceivers support all IO-Link specifications.

Binary drivers use a standard 24V, 3-wire industrial interface. These drivers typically support high-side (pnp), low-side (npn), or push-pull configurations along with normally open (NO) or normally closed (NC) logic. Maxim’s binary drivers integrate transient protection that meets IEC 60255-5 surges up to ±1.3kV as well as OTP programming options to set 3.3V or 5V outputs, the timing of the power-on reset (POR) delay.

Featured Videos

Dual IO-Link Master Transceiver: MAX14819 Demo
4:48 June 06, 2017

What is IO-Link?
4:58 April 23, 2015

In the Lab: IO-Link Smart Sensor System Demo
7:51 April 13, 2015

Technical Documents

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Latest Blogs

IO-Link Handbook Presents Primer on Designing Sensors and Masters

September 28, 2017

Check out this new IO-Link handbook for tips on designing IO-Link sensors and masters and ways to improve system performance.


Introduction to the MAX14829 Low-Power IO-Link Device Transceiver with Dual Drivers
3:05 April 07, 2020

Introduction to the MAX22088 Homebus Transceiver
3:22 August 13, 2020

Introduction to the MAX33072E +3V to +5.5V, Polarity Invert RS-485 Half Duplex Transceiver with ±65V Fault Protection, ±40V CMR, and ±40kV ESD
5:34 August 19, 2020

Smallest 4-Channel I/O-Link Master and RGB Sensor
3:18 November 20, 2014

Introduction to the MAX33011E/12E/14E/15E +5V, 5Mbps CAN Transceiver with ±65V Fault Protection, Fault Detection and Reporting, ±25V CMR, and ±45kV ESD Protection
7:34 April 10, 2020

Learn the Fundamentals of IO-Link Technology
14:34 March 02, 2018

Learn the Fundamentals of IO-Link Technology
14:34 March 02, 2018

Introduction to the MAXM22510/11 2.5kVRMS Complete Isolated RS-485/RS-422 Module Transceiver + Power
3:03 October 05, 2018

Just 1-Wire to Operate I2C/SPI Endpoints

March 03, 2022

It is possible to deliver power and data to operate I2C and SPI endpoints, such as humidity or temperature sensors, with the use of a single wire connection and ground using Analog Devices’ 1-Wire technology.

Differences Between DS2431 and DS28E07

February 17, 2022

Differences between DS2431 and DS28E07.

Relieving Supply Chain Issues of the 1-Wire Silicon Serial Number Chip

February 17, 2022

The 1-Wire Silicon Serial Number DS2401 and DS1990A, has suffered supply chain issues. To relieve this issue, Analog Devices has developed the alternatives DS2401A and DS1990AA.

Understand When and Why System Reliability Matters

October 13, 2021

Get a better understanding of when and why system reliability is important and how a low-power microcontroller can enhance reliability.

Keep the Lights On When Someone is Home

August 14, 2021

This blog discusses power outages and Maxim’s new solution for power backup in battery and line powered systems

Smart Wake-up for Security and Home Monitoring Cameras

May 19, 2021

A combination of the ultra- low power Artificial Intelligence (AI) processor and pattern recognition models greatly enhances smart wake up by detecting one or more people in the field of view with minimum power.

Assistant Excellence Conference - It Takes Two

March 11, 2021

The annual Assistant Excellence Conference (AEC) provides professional development for Maxim global assistants and is produced by the Maxim assistant community.

Two Tools to Ease Inductor Selection

March 05, 2021

Learn about two tools to help with power design and inductor selection: Maxim's EE-Sim Design Tool and Würth's REDEXPERT.

Slash Power Dissipation with Maxim’s Industrial Protected Low-Side Digital Output Solution

February 23, 2021

Greatly reduce power dissipation and shrink form factor with a highly robust integrated digital output solution, the MAX14919.

On the Go Vital Monitoring and Gaming Platform

January 13, 2021

This blog explores an application using a low power SIMO PMIC, the world’s smallest solution size and highest system efficiency, and the story behind it.