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STMicroelectronics VIPER26HD | Demoboard STDES-3KWTLCP Control Board
3 kW telecom rectifier reference design based on the STM32G474RBT6 digital power MCU
Details
| Topologie | Gegentaktwandler (Vollbrücken) |
| Eingangsspannung | 90-264 V |
| Ausgang 1 | 56.2 V / 28 A |
| Ausgang 2 | 56.2 V / 56 A |
| IC-Revision | 1 |
Beschreibung
The STDES-3KWTLCP reference design introduces a complete ST digital power solution for a 3 kW/53.5 V power supply targeting the latest 5G telecom rectifier application.The circuit configuration consists of a front-end AC-DC bridgeless totem pole converter and a back-end DC-DC isolated fullbridge LLC converter. The front-end totem pole converter provides power factor correction (PFC) and total harmonic distortion (THD). The LLC converter provides safety isolation and a tightly regulated output voltage.This reference design opens the path to a compact solution and offers a high peak efficiency. The measured peak efficiency of the complete PSU at 230 VAC is 96.3%. The overall outline dimensions of the PSU are 105 mm x 281 mm x 41 mm, which yields a power density up to 40 W/inch³.The STDES-3KWTLCP is a fully assembled kit developed for performance evaluation only, not available for sale.This document describes the converter hardware, a summary of the experimental results, and the design recommendations for the complete ST solution.
Eigenschaften
- Input voltage range: 90 to 264 VAC
- Output voltage: 53.5 V
- Maximum output power: 3 kW at 230 V, 1.5 kW at 115 VAC
- Peak efficiency: 96.3%
- Power density: 40 W/in3
- Power factor >0.98 at 100% load
- Total harmonic distortion <5% at 100% load
Typische Anwendungen
- Server Telecom
- Power/On Board
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | λDom typ.(nm) | Farbe | λPeak typ.(nm) | IV typ.(mcd) | VF typ.(V) | Chiptechnologie | 2θ50% typ.(°) | L(µH) | IR(A) | ISAT(A) | fres(MHz) | Montageart | Typ | PCB/Kabel/Panel | L(mm) | Verpackung | B(mm) | H(mm) | IR 1(A) | Ti | Tl(mm) | Pins | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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| WL-SMCW SMT Mono-color Chip LED Waterclear, 625 nm, Rot | Downloads26 Dateien Strahldaten
| Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWL-SMCW SMT Mono-color Chip LED Waterclear | dominante Wellenlänge [typ.]625 nm | FarbeRot | Spitzen-Wellenlänge [typ.]630 nm | Lichtstärke [typ.]250 mcd | Durchlassspannung [typ.]2 V | ChiptechnologieAlInGaP | Abstrahlwinkel Phi 0° [typ.]140 ° | – | – | – | – | MontageartSMT | – | – | Länge1.6 mm | VerpackungTape and Reel | Breite0.8 mm | Höhe0.7 mm | – | – | – | – | |||
 | WE-TPC SMT-Speicherdrossel, –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-TPC SMT-Speicherdrossel | – | – | – | – | – | – | – | Induktivität47 µH | Nennstrom0.75 A | Sättigungsstrom0.5 A | Eigenresonanzfrequenz10 MHz | MontageartSMT | – | – | Länge4.8 mm | – | Breite4.8 mm | Höhe2.8 mm | – | – | – | Pins2 | ||||
 | WR-WTB 1.25 mm Male Header, –, – | Simulation– | Downloads7 Dateien | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWR-WTB 1.25 mm Male Header | – | – | – | – | – | – | – | – | Nennstrom1 A | – | – | MontageartTHT | TypVertikal | PCB/Kabel/PanelPCB | Länge9.25 mm | VerpackungTube | – | – | Nennstrom [1]1 A | – | – | Pins6 | ||
 | WP-THRBU REDCUBE THR with internal through-hole thread, –, – | Simulation– | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | – | – | – | – | – | – | – | – | Nennstrom50 A | – | – | MontageartTHR | – | – | – | VerpackungTape and Reel | Breite7 mm | Höhe3 mm | – | InnengewindeM4 | Gewindelänge2.5 mm | Pins4 | ||||
 | WP-THRBU REDCUBE THR with internal through-hole thread, –, – | Simulation– | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | – | – | – | – | – | – | – | – | Nennstrom85 A | – | – | MontageartTHR | – | – | – | VerpackungTape and Reel | Breite10 mm | Höhe3.5 mm | – | InnengewindeM4 | Gewindelänge3 mm | Pins8 | ||||
750344830 | Flyback Transformer, –, – | Simulation– | Downloads– | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | Produktserie Flyback Transformer | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |