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Texas Instruments UCC256301 | Demoboard TIDA-010015
94.5% Efficiency, 500W industrial AC-DC reference design
Details
| Topologie | LLC Resonanzwandler |
| Eingangsspannung | 85-265 V |
| Ausgang 1 | 24 V / 21 A |
| IC-Revision | E1 |
Beschreibung
This reference design is a compact, high efficiency, 24-V DC, 500-W reference design for industrial AC/DC power supplies. This design consists of a front-end, two-phase interleaved transition mode (TM) power factor correction (PFC) based on the UCC28064A. This minimizes the PFC inductor size and reduces EMI filter requirements. The DC-DC is implemented using the HB-LLC stage implemented using TI's UCC256301 device. For efficiency improvement, synchronous rectification is used at secondary which uses the UCC24612.
Eigenschaften
- Overall efficiency of 94.5% at full load with peak efficiency > 95%
- Up to 330-W operation without forced cooling
- High power factor > 0.99 and meets PFC regulations and current THD as per IEC 61000-3- 2 Class AMeets requirements of conducted emissions standard (EN55011 Class B)
- ZCS avoidance feature and OVP sensing feature in LLC controller improves robustness and protects systems from overcurrent, short circuit, and overvoltage to ensure safety
- Small 160 mm × 80 mm × 35 mm PCB form factor
Typische Anwendungen
- Medical PSU
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | C | Tol. C | VR(V (DC)) | Bauform | Betriebstemperatur | Q(%) | RISO | Keramiktyp | L(mm) | B(mm) | H(mm) | Fl(mm) | Verpackung | Pins | Typ | Montageart | IR(A) | Arbeitsspannung(V (AC)) | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WCAP-CSGP MLCCs 16 V(DC), 100 pF, ±5% | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWCAP-CSGP MLCCs 16 V(DC) | Kapazität100 pF | Kapazität±5% | Nennspannung16 V (DC) | Bauform0603 | Betriebstemperatur -55 °C up to +125 °C | Güte1000 % | Isolationswiderstand10 GΩ | KeramiktypNP0 Klasse I | Länge1.6 mm | Breite0.8 mm | Höhe0.8 mm | Pad Dimension0.4 mm | Verpackung7" Tape & Reel | – | – | – | – | – | |||||
 | WR-PHD Stiftleisten - Einreihig, –, – | Simulation– | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWR-PHD Stiftleisten - Einreihig | – | – | – | – | Betriebstemperatur -40 °C up to +105 °C | – | Isolationswiderstand1000 MΩ | – | Länge2.54 mm | – | – | – | VerpackungBeutel | Pins1 | TypGerade | MontageartTHT | Nennstrom3 A | Arbeitsspannung250 V (AC) |