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Texas Instruments UCC28711D | Demoboard TIDA-00173
400-V to 690-V AC Input, 50-W Flyback Isolated Power Supply Reference Design for Motor Drives
Details
| Topologie | Sperrwandler |
| Eingangsspannung | 400-690 V |
| Ausgang 1 | 24 V |
| Ausgang 2 | 16 V |
| Ausgang 3 | 6 V |
| IC-Revision | E2 |
Beschreibung
This reference design provides isolated +24V (45W), ±16 V (4.5W), and +6V (0.5W) outputs to power the control electronics in variable speed drives. The power supply can be either powered directly from 3-phase AC mains (380Vac to 690Vac) or can be powered from the DC-link voltage (400Vdc to 1200Vdc). This design uses a quasi-resonant flyback topology and is rated for 50-Watt total output power. The line and load regulation of the power supply is designed to be within 5% using primary-side regulation (eliminating costly feedback components). The power supply is designed to meet the clearance, creepage, and isolation test voltages as per IEC61800-5 requirements.
Eigenschaften
- Versatile input: can be either 400V-1200V DC or 380V-690V AC
- <5% line and load regulation.
- Protection against input UV/OV, output overload, short-circuit and loss of feedback
- Low-cost solution by implementing primary-side regulation (eliminates feedback loop) and use of 1000V rated MOSFETSs
- Quasi-resonant mode controller improves EMI performance
- Designed to comply to IEC 61800-5
Typische Anwendungen
- Solar Inverters
- Servo Drives
- UPS Systems
- Industrial Inverters
- Variable Speed ac and dc Drives
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | L(µH) | IR(A) | ISAT,10%(A) | fres(MHz) | Version | ISAT(A) | Montageart | Vin | VOut1(V) | IOut1(A) | VOut2(V) | IOut2(A) | VOut3(V) | IOut3(A) | Vaux(V) | fswitch(kHz) | NPRI : NSEC : NAUX | VT(V (AC)) | Bauform | L(mm) | B(mm) | H(mm) | Z @ 100 MHz(Ω) | Zmax(Ω) | Testbedingung Zmax | IR 2(mA) | RDC max.(Ω) | Typ | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-TI Tonneninduktivität, 2.2 µH, 6.3 A | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-TI Tonneninduktivität | Induktivität2.2 µH | Nennstrom6.3 A | Sättigungsstrom 15.7 A | Eigenresonanzfrequenz65 MHz | VersionSchrumpfschlauch | Sättigungsstrom4.3 A | MontageartTHT | – | – | – | – | – | – | – | – | – | – | – | Bauform5075 | Länge6 mm | Breite6 mm | Höhe8.5 mm | – | – | – | – | Gleichstromwiderstand0.02 Ω | – | ||||
 | WE-TI HV Tonneninduktivität (High Voltage), 1000 µH, 0.5 A | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-TI HV Tonneninduktivität (High Voltage) | Induktivität1000 µH | Nennstrom0.5 A | Sättigungsstrom 10.55 A | Eigenresonanzfrequenz1.8 MHz | VersionGestanzt | Sättigungsstrom0.55 A | MontageartTHT | – | – | – | – | – | – | – | – | – | – | – | Bauform8095 | Länge7.8 mm | Breite7.8 mm | Höhe9.5 mm | – | – | – | – | Gleichstromwiderstand2.08 Ω | – | ||||
 | WE-OLTI Offline Flyback Transformers, 2500 µH, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-OLTI Offline Flyback Transformers | Induktivität2500 µH | – | – | – | – | Sättigungsstrom0.0062 A | MontageartTHT | Input Voltage 400 - 690 V (AC) | Ausgangsspannung 124 V | Ausgangsstrom 12 A | Ausgangsspannung 216 V | Ausgangsstrom 20.14 A | Ausgangsspannung 316 V | Ausgangsstrom 30.14 A | Hilfsspannung16 V | Switching Frequency 68 | Übersetzungsverhältnis35.5:1:2:2:0.75:2 | Prüfspannung3800 V (AC) | BauformETD29 | Länge35.56 mm | Breite24.38 mm | Höhe44.2 mm | – | – | – | – | – | – | ||||
 | WE-CBF SMT-Ferrit, –, 1 A | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-CBF SMT-Ferrit | – | Nennstrom1 A | – | – | VersionSMT | – | MontageartSMT | – | – | – | – | – | – | – | – | – | – | – | Bauform1806 | Länge4.5 mm | Breite1.6 mm | Höhe1.6 mm | Impedanz @ 100 MHz850 Ω | Maximale Impedanz1250 Ω | Maximale Impedanz50 MHz | Nennstrom 21500 mA | Gleichstromwiderstand0.1 Ω | TypHochstrom |