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Texas Instruments UCC28742 | Demoboard TIDA-010239
High-Efficiency Flyback Controller with 1% Output regulation accuracy
Details
| Topologie | Sperrwandler |
| Eingangsspannung | 85-460 V |
| Schaltfrequenz | 200-80 kHz |
| Ausgang 1 | 14 V |
| Ausgang 2 | -14 V |
| Ausgang 3 | 12 V / 2.2 A |
| IC-Revision | C |
Beschreibung
The UCC28742 off-line flyback controller is a highly integrated, 6-pin secondary-side regulated PWM controller for efficient AC-to-DC power supplies. It is an isolated-flyback power-supply controller that provides Constant-Voltage (CV) using an optical coupler to improve transient response to large-load steps. This device processes information from opto-coupled feedback and an auxiliary flyback winding for high-performance control of output voltage and current.The UCC28742 employs advanced control algorithms to achieve high operating efficiency and performance. The drive output interfaces to a MOSFET power switch. Discontinuous conduction mode (DCM) with valley-switching reduces switching losses. Modulation of switching frequency and primary current-peak amplitude (FM and AM) keeps the conversion efficiency high across the entire load and line ranges.The controller has a maximum switching frequency of 80 kHz and always maintains control of the peak-primary current in the transformer. A minimum switching frequency of 200 Hz facilitates the achievement of low no-load input power.This EVM includes an on-board MSP430, MSP430FR2355, which is used to interface with the MCT8316ZTEVM GUI.
Eigenschaften
Opto-Coupled Feedback Enables up to 1% RegulationAccurate Current Limit with Overload Timeout Protection and Delayed Hiccup ResponseResonant-Ring Valley-Switching Operation for Highest Overall Efficiency80-kHz Maximum Switching FrequencyFrequency Dithering to Ease EMI ComplianceClamped Gate-Drive Output for MOSFETUltra-Low Start-Up Current and Large VDD HysteresisHigh Value Start-Up ResistorLow Bias CapacitanceFault ProtectionsInput Low LineOutput Over-VoltageOver-CurrentShort-CircuitSOT23-6 PackageCreate a Custom Design Using the UCC28742 with the WEBENCH® Power DesignerSupercapacitor backup supplying up to 7.5 W for three seconds during energy storage release (AC mains failing)DRV8220 current controller to drive high-current relays and contactors for thermal protection, RCD AC and DC detection, and plug lock controlIsolated line voltage sensing using the ISO1212 digital-input receiver for welded relay and contactor detectionTight output voltage regulation (< ±5%) of LDOs and the high slew rate of the TLV1805 device for control pilot interface
Typische Anwendungen
- L1 Residential Chargers
- EV charging station power module
- L2 Commercial Chargers
- DC fast charging station
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. (°) | C | VR 2 (V (DC)) | dV/dt (V/µs) | DF @ 1 kHz (%) | RISO | Raster (mm) | Verpackung | Tol. C | Bauform | DF (%) | Keramiktyp | Fl (mm) | Betriebstemperatur | Q (%) | Endurance (h) | IRIPPLE (mA) | ILeak (µA) | Ø D (mm) | Z @ 100 MHz (Ω) | Zmax (Ω) | Testbedingung Zmax | IR 2 (mA) | RDC max. (Ω) | Typ | IR 1 (mA) | L1 (mH) | RDC1 max. (Ω) | VR (V (AC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Montageart | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 150120GS75000 | SPEC | 7 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WL-SMCW SMT Mono-color Chip LED Waterclear | 525 | Grün | 515 | 450 | 3.2 | InGaN | 140 | – | – | – | – | – | – | Tape and Reel | – | 1206 | – | – | – | -40 °C up to +85 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 3.2 | 1.6 | 0.68 | SMT | ||
 | 74279205 | SPEC | 9 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WE-CBF SMT-Ferrit | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 0805 | – | – | 0.5 | -55 °C up to +125 °C | – | – | – | – | – | 1000 | 1050 | 150 MHz | 900 | 0.45 | Breitband | 200 | – | 0.45 | – | – | – | 2 | 1.2 | 0.9 | SMT | ||
 | 7446121007 | SPEC Anstehende PCNAufgrund einer anstehenden PCN wird sich in Kürze das Datenblatt des ausgewählten Produktes ändern. Anbei finden Sie das neue Datenblatt, sowie das noch gültige Datenblatt. Bei weiteren Fragen wenden Sie sich bitte an Ihren Vertriebsmitarbeiter. | 10 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WE-LF Stromkompensierte Netzdrossel | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | SV | – | – | – | -40 °C up to +125 °C | – | – | – | – | – | – | – | – | – | 0.3 | – | 1000 | 6.8 | 0.3 | 250 | 1500 | MnZn | 18.5 | 13.5 | 20.5 | THT | ||
 | 860010473007 | SPEC | 8 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WCAP-ATG8 Aluminium-Elektrolytkondensatoren | – | – | – | – | – | – | – | 100 µF | – | – | – | – | 2.5 | Ammopack | ±20% | – | 14 | – | – | – | – | 2000 | 209 | 25 | 6.3 | – | – | – | – | – | – | – | – | – | 25 | – | – | 11 | – | – | – | ||
 | 860021380017 | SPEC | 8 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WCAP-ATG5 Aluminium-Elektrolytkondensatoren | – | – | – | – | – | – | – | 68 µF | – | – | – | – | 7.5 | Ammopack | ±20% | – | 15 | – | – | – | – | 2000 | 410 | 816 | 16 | – | – | – | – | – | – | – | – | – | 400 | – | – | 25 | – | – | – | ||
 | 860040475009 | SPEC | 8 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WCAP-ATUL Aluminium-Elektrolytkondensatoren | – | – | – | – | – | – | – | 680 µF | – | – | – | – | 5 | Ammopack | ±20% | – | 14 | – | – | – | – | 7000 | 1400 | 170 | 10 | – | – | – | – | – | – | – | – | – | 25 | – | – | 20 | – | – | – | ||
 | 885012006057 | SPEC | 9 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | – | – | – | 100 pF | – | – | – | 10 GΩ | – | 7" Tape & Reel | ±5% | 0603 | – | NP0 Klasse I | 0.4 | -55 °C up to +125 °C | 1000 | – | – | – | – | – | – | – | – | – | – | – | – | – | 50 | – | – | 1.6 | 0.8 | 0.8 | – | ||
| 885012206085 | SPEC | 9 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | – | – | – | 2.2 nF | – | – | – | 10 GΩ | – | 7" Tape & Reel | ±10% | 0603 | 2.5 | X7R Klasse II | 0.4 | -55 °C up to +125 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 50 | – | – | 1.6 | 0.8 | 0.8 | – | ||
| 885012206093 | SPEC | 9 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | – | – | – | 47 nF | – | – | – | 10 GΩ | – | 7" Tape & Reel | ±10% | 0603 | 3 | X7R Klasse II | 0.4 | -55 °C up to +125 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 50 | – | – | 1.6 | 0.8 | 0.8 | – | ||
| 885012206095 | SPEC | 9 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | – | – | – | 100 nF | – | – | – | 5 GΩ | – | 7" Tape & Reel | ±10% | 0603 | 3 | X7R Klasse II | 0.4 | -55 °C up to +125 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 50 | – | – | 1.6 | 0.8 | 0.8 | – | ||
| 885012107018 | SPEC | 8 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WCAP-CSGP MLCCs 25 V(DC) | – | – | – | – | – | – | – | 4.7 µF | – | – | – | 0.02 GΩ | – | 7" Tape & Reel | ±20% | 0805 | 10 | X5R Klasse II | 0.5 | -55 °C up to +85 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 25 | – | – | 2 | 1.25 | 1.25 | – | ||
 | 885342207008 | SPEC | 8 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WCAP-CSMH Mid and High Voltage | – | – | – | – | – | – | – | 1 nF | – | – | – | 10 GΩ | – | 7" Tape & Reel | ±10% | 0805 | 2.5 | X7R Klasse II | 0.5 | -55 °C up to +125 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 250 | – | – | 2 | 1.25 | 0.8 | – | ||
 | 890493425009CS | SPEC | 9 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WCAP-FTBE Folienkondensatoren | – | – | – | – | – | – | – | 100 nF | 800 | 44 | 1 | 9 GΩ | 15 | Karton | ±10% | Pitch 15 mm | – | – | – | -40 °C up to +85 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 1000 | – | – | 18 | 8.5 | 15 | – | ||
| 885012108022 | SPEC | 9 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | – | – | – | 10 µF | – | – | – | 0.005 GΩ | – | 7" Tape & Reel | ±10% | 1206 | 10 | X5R Klasse II | 0.6 | -55 °C up to +85 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 50 | – | – | 3.2 | 1.6 | 1.6 | – | ||
| 885012109015 | SPEC | 8 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WCAP-CSGP MLCCs 25 V(DC) | – | – | – | – | – | – | – | 22 µF | – | – | – | 0.005 GΩ | – | 7" Tape & Reel | ±10% | 1210 | 10 | X5R Klasse II | 0.6 | -55 °C up to +85 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 25 | – | – | 3.2 | 2.5 | 2.5 | – | ||
| 750320029 | SPEC | – | – | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | Offline Transformer | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Artikel Nr. | Datenblatt | Simulation | |
|---|---|---|---|
| 150120GS75000 | SPEC | |
| 74279205 | SPEC | |
| 7446121007 | SPEC Anstehende PCNAufgrund einer anstehenden PCN wird sich in Kürze das Datenblatt des ausgewählten Produktes ändern. Anbei finden Sie das neue Datenblatt, sowie das noch gültige Datenblatt. Bei weiteren Fragen wenden Sie sich bitte an Ihren Vertriebsmitarbeiter. | |
| 860010473007 | SPEC | |
| 860021380017 | SPEC | |
| 860040475009 | SPEC | |
| 885012006057 | SPEC | |
| 885012206085 | SPEC | |
| 885012206093 | SPEC | |
| 885012206095 | SPEC | |
| 885012107018 | SPEC | |
| 885342207008 | SPEC | |
| 890493425009CS | SPEC | |
| 885012108022 | SPEC | |
| 885012109015 | SPEC | |
| 750320029 | SPEC | – |
| Muster |
|---|
| Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | λDom typ. (nm) | Farbe | λPeak typ. (nm) | IV typ. (mcd) | VF typ. (V) | Chiptechnologie | 2θ50% typ. (°) | C | VR 2 (V (DC)) | dV/dt (V/µs) | DF @ 1 kHz (%) | RISO | Raster (mm) | Verpackung | Tol. C | Bauform | DF (%) | Keramiktyp | Fl (mm) | Betriebstemperatur | Q (%) | Endurance (h) | IRIPPLE (mA) | ILeak (µA) | Ø D (mm) | Z @ 100 MHz (Ω) | Zmax (Ω) | Testbedingung Zmax | IR 2 (mA) | RDC max. (Ω) | Typ | IR 1 (mA) | L1 (mH) | RDC1 max. (Ω) | VR (V (AC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Montageart | Muster |
|---|
