Linear Technology LTC2874 Hot Swap Controller and PHY Datasheet

About this manual

The LTC2874 is designed to provide a robust connection for remote devices via cables up to 20 meters long. It features discrete external N-channel MOSFETs for enhanced ruggedness and flexibility, supporting output supply voltages from 8V to 30V.

Key capabilities include configurable drive currents of 100mA (4-port), 200mA (2-port), or 400mA (1-port). The device supports automatic wake-up pulse generation, cable sensing, and signaling at rates up to 230.4kb/s using a SPI-compatible 4-wire interface.

What's inside

• Features
• Applications
• Description
• Absolute Maximum Ratings
• Electrical Characteristics
• Switching Characteristics

Specifications

Frequently asked questions

What is the maximum cable length supported?

The device supports cables up to 20m in length.

Is the LTC2874 compatible with I/O-Link?

Yes, it is a rugged 4-port I/O-Link power and communications interface.

What are the available drive current configurations?

It supports configurable 100mA (4-Port), 200mA (2-Port), or 400mA (1-Port) CO Drive Capability.