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TPS23882 - Type-3 2-Pair 8-Channel PoE 2 PSE Controller

Description

The TPS23882 is an 8-channel power sourcing equipment (PSE) controller engineered to insert power onto Ethernet cables in accordance with the IEEE 802.3bt standard.

The PSE controller can detect powered devices (PDs) that have a valid signature, complete mutual identification, and apply power.

Features

  • IEEE 802.3bt PSE solution for PoE 2 Type-3 2-Pair Power Over Ethernet.

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Datasheet preview – TPS23882

Datasheet Details

Part number TPS23882
Manufacturer Texas Instruments
File Size 2.95 MB
Description Type-3 2-Pair 8-Channel PoE 2 PSE Controller
Datasheet download datasheet TPS23882 Datasheet
Additional preview pages of the TPS23882 datasheet.

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Full PDF Text Transcription

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TPS23882 SLVSF21D – AUGUST 2019 – REVISED AUGUST 2020 TPS23882 Type-3 2-Pair 8-Channel PoE 2 PSE Controller with SRAM and 200 mΩ RSENSE 1 Features • IEEE 802.3bt PSE solution for PoE 2 Type-3 2-Pair Power Over Ethernet applications • Compatible with TI's FirmPSE system firmware • SRAM Programmable memory • Programmable power limiting accuracy ±3% • 200-mΩ Current sense resistor • Legacy PD capacitance measurement • Selectable 2-pair port power allocations – 4 W, 7 W, 15.4 W, or 30 W • Dedicated 14-bit integrating current ADC per port – Noise immune MPS for DC disconnect – 2% Current sensing accuracy • 1- or 3-Bit fast port shutdown input • Auto-class discovery and power measurement • Never Fooled 4-Point detection • Inrush and operational foldback protection • 425-mA and 1.
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