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Texas Instruments UCC28740DR | Demoboard TIDA-010071
Constant-Voltage Constant-Current Flyback Controller Using Optocoupled Feedback
Details
| Topologie | Sperrwandler |
| Eingangsspannung | 120-375 V |
| Schaltfrequenz | 100 kHz |
| Ausgang 1 | 12 V / 0.3 A |
| Ausgang 2 | 7 V / 2 A |
| Ausgang 3 | 15 V / 0.3 A |
| IC-Revision | E2 |
Beschreibung
This reference design highlights an ultra-low standby isolated AC/DC auxiliary power stage followed by converters and linear regulators, a comparator-based control pilot interface to meet the SAE J1772 standard, an efficient relay and contactor drive and isolated line voltage sensing across the relay and contactor. Electric vehicle service equipment (EVSE) facilitates power delivery to electric vehicles safely from the grid. An EVSE control system consists of an auxiliary power stage, an off-board AC/DC high power stage (only in DC charging stations), energy metering unit, AC and DC residual current detector, an isolation monitor unit, relays and contactors with drive, two-way communication over single wire, service and user interfaces.
Eigenschaften
- Less than 10-mW No-Load Power Capability
- Optocoupled Feedback for CV, and Primary-Side Regulation (PSR) for CC
- Enables ±1% Voltage Regulation and ±5% Current Regulation Across Line and Load
- 700-V Startup Switch - 100-kHz Maximum Switching Frequency Enables High-Power-Density Charger Designs
- Resonant-Ring Valley-Switching Operation for Highest Overall Efficiency
- Frequency Dithering to Ease EMI Compliance
- Clamped Gate-Drive Output for MOSFET
- Overvoltage, Low-Line, and Overcurrent Protection Functions - SOIC-7 Package
Typische Anwendungen
- USB-Compliant Adapters and Chargers for Consumer Electronics / Standby Supply for TV and Desktop / White Goods
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | Pins | PCB/Kabel/Panel | Modularity | Typ | Wire Section | λDom typ.(nm) | Emittierte Farbe | λPeak typ.(nm) | IV typ.(mcd) | VF typ.(V) | Chiptechnologie | 2θ50% typ.(°) | Vin | VOut1(V) | IOut1(A) | VOut2(V) | IOut2(A) | VOut3(V) | IOut3(A) | Vaux(V) | fswitch(kHz) | NPRI : NSEC : NAUX | ISAT(A) | Bauform | IR(A) | L(mH) | RDC max.(mΩ) | VR(V (AC)) | VT(V (AC)) | Material | L(mm) | B(mm) | H(mm) | Montageart | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WR-TBL Series 101 - 5.00 mm Horizontal Entry Modular, 2, Kabelschutzprinzip | Simulation– | Downloads6 Dateien | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | Pins2 | PCB/Kabel/PanelPCB | ModularityJa | TypHorizontal | Wire Section 26 to 14 (AWG) 0.5 to 2.5 (mm²) | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Nennstrom16 A | – | – | – | – | – | Länge10 mm | – | Höhe12.6 mm | MontageartTHT | |||
 | WR-TBL Series 101 - 5.00 mm Horizontal Entry Modular, 3, Kabelschutzprinzip | Simulation– | Downloads6 Dateien | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | Pins3 | PCB/Kabel/PanelPCB | ModularityJa | TypHorizontal | Wire Section 26 to 14 (AWG) 0.5 to 2.5 (mm²) | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Nennstrom16 A | – | – | – | – | – | Länge15 mm | – | Höhe12.6 mm | MontageartTHT | |||
 | WE-CMB Stromkompensierte Netzdrossel, 4, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-CMB Stromkompensierte Netzdrossel | Pins4 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | BauformXS | Nennstrom0.7 A | Induktivität10 mH | Gleichstromwiderstand350 mΩ | Nennspannung250 V (AC) | Prüfspannung1500 V (AC) | MaterialMnZn | Länge15 mm | Breite7.5 mm | Höhe18 mm | MontageartTHT | ||||
 | WL-SMCW SMT Mono-color Chip LED Waterclear, –, – | Downloads27 Dateien Strahldaten
| Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWL-SMCW SMT Mono-color Chip LED Waterclear | – | – | – | – | – | dominante Wellenlänge [typ.]525 nm | Emittierte FarbeGrün | Spitzen-Wellenlänge [typ.]515 nm | Lichtstärke [typ.]430 mcd | Durchlassspannung [typ.]3.2 V | ChiptechnologieInGaN | Abstrahlwinkel Phi 0° [typ.]140 ° | – | – | – | – | – | – | – | – | – | – | – | Bauform0603 | – | – | – | – | – | – | Länge1.6 mm | Breite0.8 mm | Höhe0.7 mm | MontageartSMT | |||
 | WE-OLTI Offline Flyback Transformers, –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-OLTI Offline Flyback Transformers | – | – | – | – | – | – | – | – | – | – | – | – | Input Voltage 85 - 265 V (AC) | Ausgangsspannung 112 V | Ausgangsstrom 10.3 A | Ausgangsspannung 27 V | Ausgangsstrom 22 A | Ausgangsspannung 3-15 V | Ausgangsstrom 30.3 A | Hilfsspannung15 V | Switching Frequency 66 | Übersetzungsverhältnis29.33:1:1.67:3:3 | Sättigungsstrom1.4 A | BauformEFD20 | – | Induktivität0.68 mH | – | – | Prüfspannung3750 V (AC) | – | Länge21.5 mm | Breite29 mm | Höhe12.45 mm | MontageartTHT |