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Details
| Topologie | Leistungsfaktor-Korrektur |
Beschreibung
This reference design is a 4-kW CCM totem-pole PFC with F280049/F280025 control card and LMG342x EVM board. This design demos a robust PFC solution, which avoids isolated current sense by putting the controller's ground in the middle of a MOSFET leg. Benefitting from non-isolation, AC current sense can be implemented by high-speed amplifier OPA607, helping to realize reliable over-current protection. In this design, efficiency, thermal image, AC drop, lighting surge and EMI CE are fully validated. With completed test data, this reference design shows the maturity of totem-pole PFC with C2000 and GaN and is a good study platform for high efficiency products' PFC stage design.
Eigenschaften
- Maximum power: 4000-W @ 200-V to 277-V nominal
- Peak efficiency: >= 99.1% ; power factor : ~0.999-Current sensing by non-isolated high-speed amplifier
- Single phase CCM totem pole with TI Gen2 daughter card
- Compatible with TMS320F28004x/F28002x digital controllers
- FSI communication port included
Typische Anwendungen
- Air conditioner outdoor unit
- Industrial, Dual digital controllers for primary & secondary side control, Single digital controller with primary side control
- Network PSU with 48V output, Server PSU with 12V output & digital control (<=1kW), Server PSU with 12V output & digital control (>1kW)
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | C | VR(V (AC)) | Sicherheitsklasse | dV/dt(V/µs) | DF @ 1 kHz(%) | RISO | Raster(mm) | L(mm) | B(mm) | H(mm) | Verpackung | L(µH) | IRP,40K(A) | ISAT,30%(A) | RDC typ.(mΩ) | fres(MHz) | VOP(V) | Montageart | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WCAP-FTX2 Folienkondensatoren, Across the mains, 1.2 µF | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWCAP-FTX2 Folienkondensatoren | Kapazität1.2 µF | Nennspannung275 V (AC) | SicherheitsklasseX2 | Spannungsanstiegsgeschwindigkeit130 V/µs | Verlustfaktor0.1 % | Isolationswiderstand8.33 GΩ | Raster27.5 mm | Länge31 mm | Breite13 mm | Höhe22 mm | VerpackungLose | – | – | – | – | – | – | MontageartBoxed THT | ||||
 | WE-MAPI SMT-Speicherdrossel, –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-MAPI SMT-Speicherdrossel | – | – | – | – | – | – | – | Länge2.5 mm | Breite2 mm | Höhe1 mm | – | Induktivität10 µH | Performance Nennstrom0.9 A | Sättigungsstrom @ 30%1.7 A | Gleichstromwiderstand733 mΩ | Eigenresonanzfrequenz25 MHz | Betriebsspannung80 V | MontageartSMT |