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STMicroelectronics VIPER27HD | Demoboard STEVAL-ISA172V2
2 kW fully digital AC-DC power supply (D-SMPS) evaluation board
Details
| Topologie | Leistungsfaktor-Korrektur |
| Eingangsspannung | 90-264 V |
| Ausgang 1 | 48 V / 42 A |
| IC-Revision | 2 |
Beschreibung
The STEVAL-ISA172V2 is a 2 kW fully digital switch mode AC-DC converter consisting of two power sections: a two phase interleaved power factor corrector (PFC) and a DC-DC phase-shifted full-bridge converter, controlled by a STM32F334 microcontroller for each section.The interleaved PFC comprises two boost converters operating with 180° out of phase, based on 600 V MDmesh M2 Power MOSFETs. The downstream section comprises of a DC-DC phase-shifted full-bridge converter based on MDmesh DM2 Power MOSFETs and performing voltage step down using HF transformer, with a primary to secondary ratio chosen to maintain high enough efficiency and regulation over the entire operating range.On the primary side the transformer is supplied by the full-bridge converter and switching losses are reduced thanks to zero voltage switching (ZVS) operation.On the secondary side synchronous rectification (SR) is used to ensure low conduction losses. The output voltage waveform is rectified by STripFET Power MOSFETs and then smoothed by the output filter.
Eigenschaften
◾Output voltage: 48 V or 52 V, Max output current: 42 A◾Input AC frequency: 45 Hz to 65 Hz◾Nominal output power: 2 kW◾Interleaved PFC stage◾PFC switching frequency: 60 kHz◾PFC Average current mode control◾Cycle by cycle PFC current control◾Maximum power factor: 0.99◾DC-DC stage: full-bridge phase-shifted ZVS with synchronous rectification◾DC-DC switching frequency: 100 kHz◾Overall efficiency: 80 PLUS Platinum level◾HF transformer isolation voltage: 4 kV◾Forced cooling with air flow speed modulation according to the output power◾Over-temperature protection◾Output short-circuit protection◾PFC control & DC-DC control: managed by STM32F334C8◾PFC power stage based on MDmesh M2 Power MOSFETs and SiC Diodes◾DC-DC power stage based on MDmesh DM2 Power MOSFETs◾Synchronous rectification based on STripFET Power MOSFETs◾Active clamp circuit based on MDmesh DM2 Power MOSFETs◾EMC filter for noise reduction◾RoHS compliant
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | Ti | f(mm) | Schlüsselweite(mm) | To | Vin | VOut1(V) | IOut1(mA) | VOut2(V) | IOut2(mA) | Vaux(V) | ISAT(mA) | fswitch(kHz) | NPRI : NSEC : NAUX | Bauform | IR(A) | L(mH) | RDC max.(mΩ) | VR(V (AC)) | VT(V (AC)) | Material | L(mm) | B(mm) | H(mm) | Montageart | n | ∫Udt(µVs) | RDC 1(mΩ) | RDC 2(Ω) | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-CMB Stromkompensierte Netzdrossel, –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-CMB Stromkompensierte Netzdrossel | – | – | – | – | – | – | – | – | – | – | – | – | – | BauformXXL | Nennstrom25 A | Induktivität1 mH | Gleichstromwiderstand4.5 mΩ | Nennspannung250 V (AC) | Prüfspannung1500 V (AC) | MaterialMnZn | Länge44 mm | Breite23.5 mm | Höhe43 mm | MontageartTHT | – | – | – | – | ||||
 | WE-CST Stromwandler, –, – | Simulation– | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-CST Stromwandler | – | – | – | – | – | – | – | – | – | – | – | – | – | BauformEE5 | Nennstrom20 A | Induktivität0.98 mH | – | Nennspannung80 V (AC) | Prüfspannung500 V (AC) | – | Länge7.7 mm | Breite6.9 mm | Höhe5.33 mm | MontageartSMT | Übersetzungsverhältnis1:70 | Spannung-µSekunde35 µVs | Gleichstromwiderstand 10.75 mΩ | Gleichstromwiderstand 22.2 Ω | |||
 | WA-SSTIE Steel Spacer Stud, metric, internal/external, M3, – | Simulation– | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | InnengewindeM3 | – | Schlüsselweite5 mm | AußengewindeM3 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | MaterialStahl | Länge10 mm | – | – | – | – | – | – | – | ||||
 | WA-SSTII Steel Spacer Stud, metric, internal/internal, M3, – | Simulation– | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | InnengewindeM3 | – | Schlüsselweite5 mm | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | MaterialStahl | Länge10 mm | – | – | – | – | – | – | – | ||||
 | WA-SNRM Snap Rivet Mount Spacer, –, 4 mm | Simulation– | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWA-SNRM Snap Rivet Mount Spacer | – | Bohrung in Blende4 mm | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | MaterialNylon 66 | Länge19.1 mm | – | – | – | – | – | – | – | |||
750315158 | Gate Drive Transformer, –, – | Simulation– | Downloads– | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | Produktserie Gate Drive Transformer | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | ||
 | WE-OLSTM Offline Flyback Transformers, –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-OLSTM Offline Flyback Transformers | – | – | – | – | Input Voltage 265 - 297 V (AC) | Ausgangsspannung 15 V | Ausgangsstrom 1500 mA | Ausgangsspannung 212 V | Ausgangsstrom 2220 mA | Hilfsspannung15 V | Sättigungsstrom420 mA | Switching Frequency 115 | Übersetzungsverhältnis19.14:1:2.43:3 | BauformEE16/7/5 | – | Induktivität2.3 mH | – | – | Prüfspannung3000 V (AC) | – | Länge18.5 mm | Breite16.5 mm | Höhe18.8 mm | MontageartTHT | Übersetzungsverhältnis19.14:1:2.43:3 | – | Gleichstromwiderstand 18000 mΩ | Gleichstromwiderstand 20.07 Ω |