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Texas Instruments UCC28911 | Demoboard TIDA-010062
1-kW, 80 Plus Titanium, GaN CCM Totem Pole Bridgeless PFC and Half-Bridge LLC Reference Design
Details
| Topologie | Sperrwandler |
| Eingangsspannung | 100-230 V |
| Ausgang 1 | 385 V |
| IC-Revision | 1 |
Beschreibung
This reference design is a digitally controlled, compact 1-kW AC/DC power supply design for server power supply unit (PSU) and telecom rectifier applications. The highly efficient design supports two main power stages, including a front-end continuous conduction mode (CCM) totem-pole bridgeless power factor correction (PFC) stage. The PFC stage features LMG341x GaN FET with integrated driver to provide enhanced efficiency across a wide load range and meet 80 plus titanium requirements. The design also supports a half-bridge LLC isolated DC/DC stage to achieve a +12-V dc output at 1-kW. Two control cards use C2000™ Piccolo™ microcontrollers to control both power stages.
Eigenschaften
- 80 Plus Titanium efficiency, η=>95% @ 20%-100% load
- CCM GaN based totem pole bridgeless PFC stage with >99% peak efficiency, enabled by LMG341x GaN FET with integrated driver
- Half-bridge Si MOSFET LLC stage with >98% peak efficiency
- Fast load transient, Vo change within 300mV @ 2.5A/us slew rate
- Low iTHD, <10%@10% load, <5% @ 20% load, <2% @ >50% load
- Power density 41W/in3, 38-mm by 66-mm by 160-mm
Typische Anwendungen
- Industrial AC-DC
- Merchant telecom rectifiers / Merchant network & server PSU
Weiterführende Informationen
Artikeldaten
| Artikel Nr. | Datenblatt | Simulation | Downloads | Produktserie | Anwendung | C | Sicherheitsklasse | dV/dt (V/µs) | DF @ 1 kHz (%) | RISO | Betriebstemperatur | Raster (mm) | Verpackung | Vin | VOut1 (V) | IOut1 (A) | VOut2 (V) | IOut2 (A) | Vaux (V) | fswitch (kHz) | NPRI : NSEC : NAUX | ISAT (A) | Bauform | IRP,40K (A) | ISAT,30% (A) | RDC typ. (mΩ) | fres (MHz) | V (V) | Endurance (h) | IRIPPLE (mA) | ILeak (µA) | DF (%) | Ø D (mm) | IR (A) | L (mH) | RDC max. (mΩ) | VR (V (AC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Montageart | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 890324025027CS | SPEC | 8 Dateien | WCAP-FTX2 Folienkondensatoren | Across the mains | 220 nF | X2 | 180 | 0.1 | 30 GΩ | -40 °C bis zu +105 °C | 15 | Karton | – | – | – | – | – | – | – | – | – | Pitch 15 mm | – | – | – | – | – | – | – | – | – | – | – | – | – | 275 | – | – | 18 | 6 | 11.5 | Boxed THT | ||
 | 890334025039CS | SPEC | 8 Dateien | WCAP-FTXX Folienkondensatoren | Across the mains | 470 nF | X2 | 220 | 0.1 | 21.28 GΩ | -40 °C bis zu +105 °C | 15 | Karton | – | – | – | – | – | – | – | – | – | Pitch 15 mm | – | – | – | – | – | – | – | – | – | – | – | – | – | 310 | – | – | 18 | 8 | 14 | Boxed THT | ||
 | 7448031002 | SPEC | 9 Dateien | WE-CMBNC Stromkompensierte Netzdrossel Nanokristallin | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | M | – | – | – | – | – | – | – | – | – | – | 10 | 2 | 6.3 | 300 | 2100 | Nanokristallin | 24 | 17 | 25 | THT | ||
 | 74438323100 | SPEC | 8 Dateien | WE-MAPI SMT-Speicherdrossel | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 1.35 | 2510 | 0.9 | 1.7 | 733 | 25 | 80 | – | – | – | – | – | 0.6 | 0.01 | 843 | – | – | – | 2.5 | 2 | 1 | SMT | ||
 | 860160378040 | SPEC | 7 Dateien | WCAP-ATLL Aluminium-Elektrolytkondensatoren | – | 3300 µF | – | – | – | – | -55 °C bis zu +105 °C | 5 | Ammopack | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 7000 | 2562 | 528 | 16 | 13 | – | – | – | 16 | – | – | 30 | – | – | – | ||
 | 750344367 | SPEC | 3 Dateien | MID-OLTI Offline Flyback Transformers for Texas Instruments | – | – | – | – | – | – | – | – | – | 380 - 400 V (DC) | 18 | 0.1 | 6 | 0.9 | 12 | 110 | 16:2:1:2 | 0.3 | EE16/7/5 | – | – | – | – | – | – | – | – | – | – | – | 1.6 | – | – | 3750 | – | 17.5 | 20 | 14 | THT |
| Artikel Nr. | Datenblatt | Simulation | |
|---|---|---|---|
| 890324025027CS | SPEC | |
| 890334025039CS | SPEC | |
| 7448031002 | SPEC | |
| 74438323100 | SPEC | |
| 860160378040 | SPEC | |
| 750344367 | SPEC |
| Muster |
|---|
| Artikel Nr. | Datenblatt | Simulation | Downloads | Produktserie | Anwendung | C | Sicherheitsklasse | dV/dt (V/µs) | DF @ 1 kHz (%) | RISO | Betriebstemperatur | Raster (mm) | Verpackung | Vin | VOut1 (V) | IOut1 (A) | VOut2 (V) | IOut2 (A) | Vaux (V) | fswitch (kHz) | NPRI : NSEC : NAUX | ISAT (A) | Bauform | IRP,40K (A) | ISAT,30% (A) | RDC typ. (mΩ) | fres (MHz) | V (V) | Endurance (h) | IRIPPLE (mA) | ILeak (µA) | DF (%) | Ø D (mm) | IR (A) | L (mH) | RDC max. (mΩ) | VR (V (AC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Montageart | Muster |
|---|