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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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 7446722002 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-LF Common Mode Power Line Choke | 2 | 2.2 | 0.06 | 250 | 1500 | MnZn | 23 | 23 | 14.5 | THT |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 7446722002 | SPEC |
| Samples |
|---|
| 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 |
|---|