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Texas Instruments TPS2373 | Demoboard PMP21318
Class 8 PoE 12-V, 6-A, powered device (PD) active-clamp forward converter reference design
Overview
| Topology | LAN / POE |
| IC revision | C |
Description
This reference design features a Type-4, Class 8, 71-W active clamp forward converter for powered devices (PD) through Power over Ethernet (PoE). The TPS2373-4 PD controller provides detection and classification and also powers up the UCC2897A pulse-width modulation (PWM) controller through its advanced start-up feature.
Features
- Supports power levels for IEEE802.3bt Type-4
- Automatic maintain power signature (MPS)
- Advanced start-up
- Synchronous rectifiers for high efficiency
Typical applications
- Server power, 48-V telecom, datacom, and 42-V automotive applications
- High-efficiency DC-to-DC power supplies
