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Texas Instruments TPS2379 | Demoboard PMP7499
Non-Standard (>25.5W) PoE - High Efficiency Forward Converter (12V@5A) Reference Design
Details
| Topologie | Sonstige Topologie |
| IC-Revision | B |
Beschreibung
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.
Eigenschaften
- 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
Typische Anwendungen
- IP Camera
Weiterführende Informationen
Artikeldaten
| Artikel Nr. | Datenblatt | Simulation | Downloads | Produktserie | L (µH) | VT (V (AC)) | IRP,40K (A) | ISAT1 (A) | ISAT,30% (A) | RDC (mΩ) | fres (MHz) | Material | IR (A) | ISAT (A) | RDC max. (mΩ) | LR (µH) | Version | Vin | VOut1 (V) | IOut1 (A) | Vaux (V) | n | Bauform | Montageart | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 744325550 | SPEC | 8 Dateien | WE-HCI SMT-Hochstrominduktivität | 5.5 | – | 12 | 4.5 | 12 | 10.3 | 30 | Superflux | – | – | 11.33 | 4.3 | SMT | – | – | – | – | – | 1050 | SMT | ||
| 74435571500 | SPEC | 8 Dateien | WE-HCI SMT-Hochstrominduktivität | 15 | – | 14.1 | 10.75 | 14 | 9 | 14 | MnZn | – | – | 9.72 | 12 | SMT | – | – | – | – | – | 1890 | SMT | ||
 | 750313355 | SPEC | – | 8 Dateien | WE-PoE++ Power over Ethernet Plus Plus Transformer | 100 | 1500 | – | – | – | – | – | – | – | – | – | – | Forward | 36 - 72 V (DC) | 12 | 5 | 12 | 2:1:1 | EFD20 | SMT | |
 | 768775322 | SPEC | – | 8 Dateien | WE-PD2 HV SMT-Speicherdrossel (High Voltage) | 2200 | – | – | – | – | – | 1.6 | – | 0.15 | 0.2 | 7200 | – | – | – | – | – | – | – | 7850 | SMT |
| Muster |
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| Artikel Nr. | Datenblatt | Simulation | Downloads | Produktserie | L (µH) | VT (V (AC)) | IRP,40K (A) | ISAT1 (A) | ISAT,30% (A) | RDC (mΩ) | fres (MHz) | Material | IR (A) | ISAT (A) | RDC max. (mΩ) | LR (µH) | Version | Vin | VOut1 (V) | IOut1 (A) | Vaux (V) | n | Bauform | Montageart | Muster |
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