LTC2874IUHF#PBF

Drivers, Receivers, Transceivers Overview

The LTC2874IUHF#PBF is a quad-port IO-Link master Hot Swap controller and PHY manufactured by Analog Devices Inc. It provides power and communication to remote devices via cables up to 20m long. The device operates with an input supply voltage (VDD) range of 8V to 34V and a logic supply (VL) range of 2.9V to 5.5V. It supports signaling rates of 4.8kb/s, 38.4kb/s, and 230.4kb/s. The component features configurable drive capabilities of 100mA per port, 200mA for two ports, or 400mA for one port. It utilizes external N-channel MOSFETs for output control and includes protection against short circuits, input UV/OV, and thermal faults.

Drivers, Receivers, Transceivers Feature Summary

• Integrates a quad-port IO-Link master PHY with Hot Swap controller functionality for rugged industrial applications.
• Supports discrete external N-channel MOSFETs to provide improved system robustness and design flexibility compared to fully integrated solutions.
• Includes automatic wake-up pulse generation, cable sensing, and fault reporting via a SPI-compatible interface operating at clock rates up to 20MHz.

Drivers, Receivers, Transceivers Applications

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

Drivers, Receivers, Transceivers Procurement Notes

Verify the specific ordering suffix #PBF indicates lead-free finish and tube packaging when sourcing from distributors. Confirm the UHF package designation corresponds to the 38-lead QFN form factor required for the target PCB layout. Ensure the I-grade temperature range (-40°C to 85°C) meets the operational environment specifications before finalizing procurement orders.

Drivers, Receivers, Transceivers Selection Notes

Select this component when designing a multi-port IO-Link master that requires independent current limiting and hot swap capabilities for each channel. The use of external MOSFETs allows designers to tailor power handling and ruggedness to specific load requirements. Consider the 38-lead QFN package constraints and thermal dissipation needs associated with driving multiple ports simultaneously in compact industrial enclosures.

Drivers, Receivers, Transceivers Part Context

This part belongs to the LTC2874 family of IO-Link master controllers. The IUHF suffix specifically denotes the industrial temperature grade and the 38-lead plastic QFN package variant. It serves as a specialized interface solution for connecting distributed field devices in automation systems requiring reliable power and data transmission over standard cabling.

Drivers, Receivers, Transceivers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing gate drive circuitry and sense resistor configurations if considering alternative IO-Link master controllers from other manufacturers.