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Details
| Topologie | Sonstige Topologie |
| IC-Revision | 1.0 |
Beschreibung
A galvanically-isolated AC-DC power converter is widely used in most power supply applications including battery charger, mobile and laptop adaptors, and server power supplies. The converter takes the power from the AC input mains (grid), processes it internally, and feeds it to the load with DC voltage as per the specification. The power train mainly consists of a non-isolated AC-DC front-end converter, which is followed by an isolated DC-DC converter. The latter uses a High-Frequency (HF) transformer, which provides the necessary galvanic isolation between the input (AC side) and the final DC output. There are many topology options for both the AC-DC and DC-DC converter stages. In this reference design, we have used a Totem-Pole PFC (TPPFC) topology for the front-end AC-DC converter, and an LLC resonant converter topology for the second-stage DC-DC converter. The TPPFC takes the power from the grid and internally generates a stable 400V DC bus, which the LLC stage uses as its input. The LLC resonant converter processes itand outputs a 20V regulated DC voltage across its output terminals. The use of Tagore Technology’s Superior GaN FETs, TP44100SG and TP44200SG, have helped achieve higherpower conversion efficiency in comparison to power converters using Si MOSFETs.
Typische Anwendungen
- Charger
Weiterführende Informationen
Artikeldaten
| Artikel Nr. | Datenblatt | Simulation | Downloads | Produktserie | C | Tol. C | Bauform | Betriebstemperatur | Qmin. | DF (%) | RISO | Keramiktyp | Fl (mm) | Verpackung | IR 1 (mA) | IR 2 (mA) | ISAT (mA) | RDC (mΩ) | fres (MHz) | Typ | Endurance (h) | IRIPPLE (mA) | Z (mΩ) | ILeak (µA) | Ø D (mm) | IR (A) | L (mH) | RDC max. (mΩ) | VR (V (DC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Montageart | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 885342214001 | SPEC | 7 Dateien | WCAP-CSMH Mid and High Voltage | 1 µF | ±10% | 2220 | -55 °C bis zu +125 °C | – | 2.5 | 0.1 GΩ | X7R Klasse II | 0.85 | 7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 630 | – | – | 5.7 | 2.8 | 5 | – | ||
 | 865080545012 | SPEC | 7 Dateien | WCAP-ASLI Aluminium-Elektrolytkondensatoren | 100 µF | ±20% | 6.3 x 7.7 | -55 °C bis zu +105 °C | – | 14 | 1 MΩ | – | – | 15" Tape & Reel | – | – | – | – | – | – | 2000 | 300 | 380 | 35 | 6.3 | – | – | – | 35 | – | – | 7.7 | 6.6 | – | V-Chip SMT | ||
 | 7448040435 | SPEC | 9 Dateien | WE-CMBNC Stromkompensierte Netzdrossel Nanokristallin | – | – | L | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 3.5 | 35 | 80 | 300 | 2100 | Nanokristallin | 27.5 | 18 | 32 | THT | ||
 | 7448227005 | SPEC | 9 Dateien | WE-CMB HC Stromkompensierte Netzdrossel | – | – | Typ S | -40 °C bis zu +125 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 6.5 | 0.45 | 10 | 250 | 1500 | MnZn | 18.5 | 14.5 | 22 | THT | ||
 | 7447055 | SPEC | – | 6 Dateien | WE-FI Funkentstördrossel | – | – | – | -40 °C bis zu +105 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 5.4 | 0.15 | 42 | – | – | – | 26 | 13 | – | THT | |
 | 74479775247 | SPEC | 8 Dateien | WE-PMI Power-Multilayer-Induktivität | – | – | 0805 | -40 °C bis zu +125 °C | 25 | – | – | – | – | – | 600 | 850 | 250 | 250 | 30 | Low RDC | – | – | – | – | – | – | 0.0047 | 312.5 | – | – | – | 2 | 1.2 | 1 | SMT |
| Artikel Nr. | Datenblatt | Simulation | |
|---|---|---|---|
| 885342214001 | SPEC | |
| 865080545012 | SPEC | |
| 7448040435 | SPEC | |
| 7448227005 | SPEC | |
| 7447055 | SPEC | – |
| 74479775247 | SPEC |
| Muster |
|---|
| Artikel Nr. | Datenblatt | Simulation | Downloads | Produktserie | C | Tol. C | Bauform | Betriebstemperatur | Qmin. | DF (%) | RISO | Keramiktyp | Fl (mm) | Verpackung | IR 1 (mA) | IR 2 (mA) | ISAT (mA) | RDC (mΩ) | fres (MHz) | Typ | Endurance (h) | IRIPPLE (mA) | Z (mΩ) | ILeak (µA) | Ø D (mm) | IR (A) | L (mH) | RDC max. (mΩ) | VR (V (DC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Montageart | Muster |
|---|