Overview

Features and Benefits

  • Low-Power Architecture
    • 1Ω (typ) Driver On-Resistance
    • 1.9mA (typ) Total Supply Current for 2 Channels
    • Current Limiters with 15mV Sense Voltage
  • Integrated IO-Link Framer Eliminates Need for External UARTs
    • Integrated Cycle Timer Relieves Microcontroller from Timing-Critical Tasks
  • High Configurability and Integration Reduce SKUs
    • Two Auxiliary Type 1/Type 3 Digital Inputs
    • Supports NPN Sensors
    • Dual 24V Sensor Supply Controllers Include:
      • Large Capacitive Load Charge Capability
      • 2A and Higher Load Currents
  • Integrated Protection Enables Robust Systems
    • Reverse Polarity Protection on All Interface Pins
    • Overvoltage Tolerance on All Interface Pins
    • C/Q and DI Fully Compliant with IEC 61131-2
    • C/Q Compliant with IO-Link 1.1.3
    • Reverse Current Blocking on L+ and C/Q
    • 65V Absolute Max Ratings for TVS Flexibility
    • Glitch Filters for Improved Burst Resilience
    • -40°C to +125°C Operating Temperature Range

Product Details

The MAX14819/MAX14819A low-power, dual-channel, IO-Link® master transceiver with sensor/actuator power- supply controllers is fully compliant with the latest IO-Link and binary input standards and test specifications, IEC 61131-2, IEC 61131-9 SDCI, and IO-Link 1.1.3. This master transceiver also includes two auxiliary digital input (DI_) channels.

The MAX14819/MAX14819A is configurable to operate either with external UARTs or using the integrated fram- ers on the IC.

To ease selection of microcontroller, the master transceiver features frame handlers with UARTs and FIFOs. These are designed to simplify time critical control of all IO-Link M-sequence frame types. The MAX14819/MAX14819A also features autonomous cycle timers, reducing the need for accurate controller timing. Integrated establish-communication sequencers also simplify wake-up management.

The device message response delay on the MAX14819A can be disabled when using the frame handler and the MAX14819A features higher L+ thresholds than the MAX14819. The MAX14819A receivers also feature increased high-frequency signal isolation compared to the MAX14819.

The MAX14819/MAX14819A integrates two low-power sensor supply controllers with advanced current limiting, reverse current-blocking, and reverse polarity protection capability to enable low-power robust solutions.

The MAX14819/MAX14819A is available in a 48-pin (7mm x 7mm) TQFN package and is specified over the extended -40°C to +125°C temperature range.

 

Applications

  • IO-Link Gateways
  • IO-Link Master Systems

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Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.