TPS2376DDA-H

Overview

The TPS2376DDA-H is a Powered Device controller compliant with IEEE 802.3af standards, designed for high-power PoE applications. It operates within a supply voltage range of 0 V to 57 V and supports a maximum output power of 12.95 W. The device features a current limit of 625 mA and a maximum on-resistance of 1 Ohm. It functions reliably across an operating temperature range from -40°C to +85°C. The quiescent supply current is specified at 240 uA. This component utilizes an SO-PowerPad-8 package for surface mount installation.

Feature Summary

• Integrates a low-loss FET to reduce system thermal dissipation in powered devices.
• Provides programmable current limiting with automatic retry capabilities for fault recovery.
• Includes comprehensive protection mechanisms such as thermal shutdown and overvoltage transient tolerance.

Applications

• IP surveillance cameras
• WiMAX access point equipment
• Conference IP telephones

Procurement Notes

Verify the exact suffix 'H' against the manufacturer's latest documentation to confirm specific environmental or reliability classifications. Ensure the SO-PowerPad-8 footprint matches the PCB layout requirements. Confirm that the 625 mA current limit aligns with the target application's power budget before finalizing procurement.

Selection Notes

Select this component when designing IEEE 802.3af compliant powered devices requiring integrated power switching and control. Consider the SO-PowerPad-8 package for its thermal performance advantages. Evaluate the 625 mA current limit against load requirements. Verify compatibility with the intended operating temperature range for industrial or medical environments.

Part Context

This part belongs to the TPS2376-H series of Ethernet Power Plus controllers. These devices are engineered to deliver increased power over standard Ethernet cabling without AC lines. The series targets applications needing reliable PoE interfaces with integrated safety features and reduced external component counts.

Replacement Considerations

Public data identifies TPS2376DDAR-H as a potential substitute. Verify package compatibility and electrical specifications before substitution.