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Texas Instruments UCC28780 | Demoboard TIDA-01622
30-W/in3, 94% Efficiency, 65-W USB Type-C PD AC/DC Adapter Reference Design
Details
| Topologie | Sperrwandler |
| Eingangsspannung | 85-265 V |
| Ausgang 1 | 20 V / 3.25 A |
| IC-Revision | A |
Beschreibung
This fully tested, USB power delivery reference design is a high efficiency, high power density, AC/DC adapter solution with a wide input voltage range (85 - 265VAC) for laptop adapters and smartphone charger applications. It adopts active-clamp-flyback topology controlled by TI’s newest ACF controller UCC28780 as the mainly power supply stage. This design uses TPS25740B, TI’s PD source controller, to achieve a full PD 2.0 function. The design achieves a peak efficiency of 92% at a very high switching frequency. The design’s power density is increased to 30 W/in³, which is much higher than traditional solutions.
Eigenschaften
- High efficiency (92% peak value)
- High power density (30W/in³)
- Low no load power consumption (60mW)
- Low light load input power (0.5W), @20Vout/0.25W output
- Fully compatible with USB PD 2.0 standard, with 5V/3A, 9V/3A, 15V/3A, 20V/3.25A output
- Active-clamp flyback + SR topology
- Small size (62mm26.8mm20mm)
Typische Anwendungen
- Smart phone, Laptop
- Industrial AC/DC
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | ISAT,10%(A) | fres(MHz) | Version | Interface typ | Typ | Gender | Pins | Leiterplattendicke(mm) | Arbeitsspannung(V (DC)) | Verpackung | IR(A) | L(µH) | RDC max.(Ω) | VR(V (AC)) | VT(V (AC)) | Material | L(mm) | B(mm) | H(mm) | Montageart | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-TI Tonneninduktivität, 8.5 A, 140 MHz | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-TI Tonneninduktivität | Sättigungsstrom 18.5 A | Eigenresonanzfrequenz140 MHz | VersionSchrumpfschlauch | – | – | – | – | – | – | – | Nennstrom8.5 A | Induktivität1 µH | Gleichstromwiderstand0.015 Ω | – | – | – | Länge6 mm | Breite6 mm | Höhe8.5 mm | MontageartTHT | ||||
 | WE-CMB Stromkompensierte Netzdrossel, –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-CMB Stromkompensierte Netzdrossel | – | – | VersionTHT | – | – | – | Pins4 | – | – | – | Nennstrom0.5 A | Induktivität20000 µH | Gleichstromwiderstand0.54 Ω | Nennspannung250 V (AC) | Prüfspannung1500 V (AC) | MaterialMnZn | Länge17.5 mm | Breite13 mm | Höhe22 mm | MontageartTHT | ||||
 | WR-USB Type C Connectors, –, – | Simulation– | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWR-USB Type C Connectors | – | – | – | Interface typType C | TypHorizontal | GenderBuchse | Pins24 | Leiterplattendicke1.6 mm | Arbeitsspannung48 V (DC) | VerpackungTape and Reel | Nennstrom5 A | – | – | – | – | – | – | – | – | MontageartTHR | |||
 | 750343803 | Transformer, –, – | Downloads5 Dateien | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | Produktserie Transformer | – | – | – | – | – | – | – | – | – | VerpackungTray | – | Induktivität75 µH | – | – | Prüfspannung3750 V (AC) | – | Länge21.59 mm | Breite21.59 mm | Höhe17.27 mm | MontageartTHT |