LTC2874IUHF#TRPBF

Drivers, Receivers, Transceivers Overview

The LTC2874IUHF#TRPBF is a quad-port IO-Link master Hot Swap controller and PHY designed for rugged industrial applications. It supports 8V to 34V operation with configurable drive capabilities of 100mA per port, 200mA across two ports, or 400mA on a single port. The device utilizes external N-channel MOSFETs for power control, enabling controlled inrush current ramping. It features automatic wake-up pulse generation, cable sensing, and signaling at 4.8kb/s, 38.4kb/s, and 230.4kb/s. Configuration is managed via a SPI-compatible interface operating up to 20MHz, while the logic supply range is 2.9V to 5.5V.

Drivers, Receivers, Transceivers Feature Summary

• Integrated Hot Swap controller with discrete power MOSFETs for enhanced system ruggedness and design flexibility
• Automatic wake-up pulse generation and cable sensing capabilities for robust connection management
• Configurable current limit with foldback protection to minimize power dissipation during fault conditions
• Robust CQ pins protected to ±50V with no damage or latchup to ±8kV HBM ESD

Drivers, Receivers, Transceivers Applications

• IO-Link Masters
• Intelligent Sensors and Actuators
• Factory Automation Networks

Drivers, Receivers, Transceivers Procurement Notes

Verify the specific ordering suffix #TRPBF indicates tape and reel packaging when sourcing components. Confirm that the part status remains active through official Analog Devices channels prior to finalizing procurement plans. Ensure all technical specifications align with the latest published datasheet to avoid integration errors.

Drivers, Receivers, Transceivers Selection Notes

Select this component for designs requiring independent power and communication control over four IO-Link ports. The use of external MOSFETs allows for customized inrush limiting and improved fault isolation compared to fully integrated solutions. Ensure the host microcontroller supports the required SPI interface speeds and voltage levels for effective configuration and monitoring.

Drivers, Receivers, Transceivers Part Context

This component belongs to the LTC2874 family of IO-Link master controllers. It is specifically engineered to provide a complete interface solution for connecting remote IO-Link devices via cables up to 20 meters in length. The device integrates both the physical layer signaling and the power management logic necessary for compliant master implementations.

Drivers, Receivers, Transceivers Replacement Considerations

Consult Analog Devices marketing for parts specified with wider operating temperature ranges. Verify compatibility if substituting with other members of the LTC287x family, as pin configurations and feature sets may vary between models.