Class 4 PoE PD (24-V/0.9-A) power supply reference design
PMP22301
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Key Document
- Class 4 PoE PD (24-V/0.9-A) Power Supply Reference Design
(PDF 3486 KB)
27 May 2020
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 TPS23754
is 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 input
- 24-Vdc or 48-Vdc adapter input
- Peak efficiency of 88% (91% for converter)
- Diode rectification to minimize cost
See the Important Notice and Disclaimer covering reference designs and other TI resources.