See datasheet for actual packaging/pinout drawings

Packaging

Package | PIN:

DDA | 8

Temp:

I (-40 to 85)

ECO Plan:

Green (RoHS & no Sb/Br)

TPS2378DDA


IEEE 802.3at PoE High-Power PD Interface with AUX Control

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Texas Instruments TPS2378DDA

This 8-pin integrated circuit contains all of the features needed to implement an IEEE802.3at type-2 powered device (PD). The low 0.5-Ω internal switch resistance, combined with the enhanced thermal dissipation of the PowerPAD™ package, enables this controller to continuously handle up to 0.85 A. The TPS2378 features an auxiliary power detect (APD) input, providing priority for an external power adapter. It also features a 100-V pass transistor, 140-mA inrush current limiting, type-2 indication, auto-retry fault protection, and an open-drain power-good output.

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