LT4294IDD#TRPBF

Overview

The LT4294IDD#TRPBF is a hot swap voltage controller designed for IEEE 802.3bt Powered Device (PD) applications. It operates within an input voltage range of 8 V to 60 V and features adjustable current limiting. The device supports single-channel operation with a typical operating supply current of 2 mA. It is rated for commercial temperatures from -40°C to +85°C and utilizes a 10-lead DFN surface-mount package.

Feature Summary

• Supports IEEE 802.3bt PD interface control
• Enables safe hot insertion into live Ethernet ports
• Provides adjustable current limiting protection

Applications

• IEEE 802.3bt PoE++ powered devices
• High-power network endpoint equipment
• Hot-swappable power distribution systems

Procurement Notes

Verify the specific suffix TRPBF indicates tape-and-reel packaging when ordering. Confirm the component matches the required DFN-10 footprint and pinout for your PCB layout. Ensure the design accommodates the specified 8 V to 60 V input range and thermal requirements for the target application environment.

Selection Notes

Select this component for designs requiring certified IEEE 802.3bt compliance in a compact form factor. Consider the 10-lead DFN package constraints for thermal management and trace routing. Verify that the adjustable current limit settings align with the specific power budget of the target powered device.

Part Context

This part belongs to the LT4294 series of hot swap controllers from Analog Devices. It is specifically engineered for high-power Power over Ethernet applications, distinguishing itself from lower-power IEEE 802.3af/at counterparts by supporting Type 3 and Type 4 power levels.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.