• Part: TPS23880
  • Description: Type-4 4-Pair 8-Channel PoE 2 PSE Controller
  • Manufacturer: Texas Instruments
  • Size: 3.31 MB
TPS23880 Datasheet (PDF) Download
Texas Instruments
TPS23880

Description

The TPS23880 is an 8-channel power sourcing equipment (PSE) controller engineered to insert power onto Ethernet cables in accordance with the IEEE 802.3bt standard.

Key Features

  • IEEE 802.3bt PSE solution for PoE 2 Type 3 or Type 4 Power Over Ethernet applications
  • Eight independent PSE channels
  • SRAM Programmable memory
  • Programmable power limiting accuracy ±3%
  • Selectable 2-pair or 4-pair port power allocations
  • Single and dual signature PD patibility
  • Dedicated 14-bit integrating current ADC per port
  • Inherent filtering - Noise immune MPS for DC disconnect - 2% Current sensing accuracy - 100-ms Rolling port current averaging
  • 1- or 3-Bit fast port shutdown input
  • Auto-class discovery and power measurement

Applications

  • Small business switch