• Part: TPS23881
  • Description: Type-4 4-Pair 8-Channel PoE 2 PSE Controller
  • Manufacturer: Texas Instruments
  • Size: 2.86 MB
TPS23881 Datasheet (PDF) Download
Texas Instruments
TPS23881

Description

The TPS23881 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 ±2.5%
  • 200-mΩ current sense resistor
  • Legacy PD capacitance measurement
  • Selectable 2-pair or 4-pair port power allocations
  • Single and dual signature PD patibility
  • Dedicated 14-bit integrating current ADC per port
  • Noise immune MPS for DC disconnect - 2% current sensing accuracy

Applications

  • Small business switch