PMP22301 Reference Design

Texas Instruments

Class 4 PoE PD (24-V/0.9-A) power supply reference design

Description

This reference design utilizes a flyback converter to implement a Class 4 Power over Ethernet (PoE) poweredDevice dPD) with a 24-V/0.9-A output. The TPS23754is a combination PD/PWM controller in one package: saving cost and space. This reference design is suited for many PoE applications such as wireless access points: audio: signage and IP cameras.

Features
  • PoE input24-Vdc or 48-Vdc adapter inputPeak efficiency of 88% (91% for converter)Diode rectification to minimize cost
Applications
  • WLAN/Wi-Fi access point
Product Categories
  • Power management

End Equipment Reference Diagrams