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Texas Instruments TPS2379 | Demoboard PMP7499
Non-Standard (>25.5W) PoE - High Efficiency Forward Converter (12V@5A) Reference Design
Overview
| Topology | Forward Converter |
| Input voltage | 42-57 V |
| IC revision | B |
Description
This converter provides a high power PoE output of 12V/5A. The TPS2379 PD controller allows the use of an external hot swap FET for increased efficiency. The UCC2897A PWM controller is used to implement a high efficiency active clamp forward converter.Remark: BOM & Test-Result are added with schematic.
Features
- High efficiency (90% with PoE supply, 93.6% with adapter supply)
- 12V at 5A output
- Isolated Forward with synchornous rectifier
- Uses TPS2379 combined with UCC2897A to implement a high efficiency active forward converter
- Allows an external hot swap FET for increased efficiency
- This circuit design is full-functional tested and recommended for new designs
Typical applications
- IP Camera
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | IR(A) | L1(mH) | RDC max.(Ω) | VR(V (AC)) | VT(V (AC)) | Material | L(mm) | W(mm) | H(mm) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-LF Common Mode Power Line Choke, 2 A, 2.2 mH | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-LF Common Mode Power Line Choke | Rated Current2 A | Inductance [1]2.2 mH | DC Resistance [1]0.06 Ω | Rated Voltage250 V (AC) | Insulation Test Voltage1500 V (AC) | MaterialMnZn | Length23 mm | Width23 mm | Height14.5 mm | MountTHT |