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Details
| Topologie | Sperrwandler |
| Eingangsspannung | 90-264 V |
| Schaltfrequenz | 25 kHz |
| Ausgang 1 | 12 V / 3 A |
Beschreibung
This design note describes a 45 W, Type C interface PD3.0, universal AC input, constant voltage power supply intended for smart phone, PAD and NB adaptor supporting PD3.0 or QC3.0 protocol, where isolation from the AC mains is required, and low cost, high efficiency, and low standby power are essential. The featured power supply is a simple QR flyback topology utilizing ON Semiconductor’s NCP1342 HF PWM controller, NCP4306D synchronous rectified controller, NTMFS6B03 synchronous MOSFET and ATP104 Switch MOSFET. This Design Note provides the complete circuit schematic details, PCB and BOM for 45 W Type C Interface PD3.0 Power adapter solution which supports PD output (5 V / 3 A, 9 V / 3 A, 12 V / 3 A, 15 V / 3 A, 20 V / 2.25 A). This design combined with Weltrend WT6632F PD3.0 protocol controller to provide PD3.0 and QC3.0 functions. This design also proposes a dual auxiliary power supply to supply PWM controller, the PWM controller is supplied by high voltage auxiliary voltage at low output voltage and supplied by low voltage auxiliary voltage at high output voltage and also shuts down zener bias of high voltage Vcc while low voltage auxiliary voltage supplies controller. This design also uses NCP4306 synchronous rectified controller to provide high efficiency and also has no external Vcc regulator to supply synchronous controller to ensure controller can works below 3.6 V.
Eigenschaften
- Integrated High−Voltage Startup Circuit with Brownout Detection
- Integrated X2 Capacitor Discharge Capability
- Wide VCC Range from 9 V to 28 V
- 28 V VCC Overvoltage Protection
- Abnormal Overcurrent Fault Protection for Winding Short Circuit or Saturation Detection
- Internal Temperature Shutdown
- Valley Switching Operation with Valley−Lockout for Noise−Free Operation
- Frequency Foldback with 25 kHz Minimum Frequency Clamp for Increased Efficiency at Light Loads
- Rapid Frequency Foldback for Fast Reduction of SwitchingFrequency at Light Loads
- Skip Mode with Quiet−Skip Technology for Highest Performance During Light Loads
- Minimized Current Consumption for No Load Power Below 30 mW
- Frequency Jittering for Reduced EMI Signature
- Latching or Auto−Recovery Timer−Based Overload Protection
- Adjustable Overpower Protection (OPP)
- Adjustable Maximum Frequency Clamp
- Fault Pin for Severe Fault Conditions, NTC Compatible for OTP
- 4 ms Soft−Start Timer
Typische Anwendungen
- Medium or High Power AC-DC Adapters / Ultra High Density AC-DC Adapters / USB PD Compliant
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | C | Sicherheitsklasse | dV/dt(V/µs) | DF @ 1 kHz(%) | RISO | Raster(mm) | Verpackung | Tol. C | Bauform | Betriebstemperatur | Q(%) | DF(%) | Keramiktyp | Fl(mm) | ISAT,10%(A) | fres(MHz) | Version | Interface typ | Gender | Pins | Leiterplattendicke(mm) | Arbeitsspannung(V (DC)) | Z @ 100 MHz(Ω) | Zmax(Ω) | Testbedingung Zmax | IR 2(mA) | RDC max.(Ω) | Typ | IR(A) | L(mH) | VR(V (AC)) | VT(V (AC)) | Material | L(mm) | B(mm) | H(mm) | Montageart | VRMS(V) | VDC(V) | VBR(V) | IPeak(A) | Wmax(J) | PDiss(W) | VDE-Zulassung | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-VD Disk Varistor, 230 VAC, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-VD Disk Varistor | – | – | – | – | – | – | – | – | Bauform7 mm | Betriebstemperatur -40 °C up to +105 °C | – | – | – | – | – | – | VersionTHT | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Länge9 mm | Breite4.1 mm | Höhe12.5 mm | MontageartTHT | Wechselstrom Betriebsspannung300 V | DC Betriebsspannung385 V | (Rückwärts-) Durchbruchspannung470 V | (Reverse) Peak Pulse Current1200 A | Energieabsorption35 J | Verlustleistung0.25 W | VDE-ZulassungJa | ||||
 | WCAP-FTX2 Folienkondensatoren, Across the mains, 220 nF | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWCAP-FTX2 Folienkondensatoren | Kapazität220 nF | SicherheitsklasseX2 | Spannungsanstiegsgeschwindigkeit300 V/µs | Verlustfaktor0.1 % | Isolationswiderstand30 GΩ | Raster10 mm | VerpackungLose | Kapazität±10% | BauformRaster 10 mm | Betriebstemperatur -40 °C up to +105 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Nennspannung275 V (AC) | – | – | Länge13 mm | Breite8 mm | Höhe14 mm | MontageartBoxed THT | – | – | – | – | – | – | – | ||||
 | WR-USB Type C Connectors, USB 3.1, – | Simulation– | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWR-USB Type C Connectors | – | – | – | – | Isolationswiderstand1000 MΩ | – | VerpackungTape and Reel | – | – | Betriebstemperatur -40 °C up to +105 °C | – | – | – | – | – | – | – | Interface typType C | GenderBuchse | Pins24 | Leiterplattendicke1.6 mm | Arbeitsspannung48 V (DC) | – | – | – | – | – | TypHorizontal | Nennstrom5 A | – | – | – | – | – | – | – | MontageartTHR | – | – | – | – | – | – | – | |||
 | WE-CBF SMT-Ferrit, –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-CBF SMT-Ferrit | – | – | – | – | – | – | – | – | Bauform0805 | Betriebstemperatur -55 °C up to +125 °C | – | – | – | Pad Dimension0.5 mm | – | – | VersionSMT | – | – | – | – | – | Impedanz @ 100 MHz600 Ω | Maximale Impedanz700 Ω | Maximale Impedanz150 MHz | Nennstrom 22000 mA | Gleichstromwiderstand0.15 Ω | TypHochstrom | Nennstrom1.5 A | – | – | – | – | Länge2 mm | Breite1.2 mm | Höhe0.0009 mm | MontageartSMT | – | – | – | – | – | – | – | ||||
| WE-CBF SMT-Ferrit, –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-CBF SMT-Ferrit | – | – | – | – | – | – | – | – | Bauform0805 | Betriebstemperatur -55 °C up to +125 °C | – | – | – | Pad Dimension0.5 mm | – | – | VersionSMT | – | – | – | – | – | Impedanz @ 100 MHz1000 Ω | Maximale Impedanz1000 Ω | Maximale Impedanz100 MHz | Nennstrom 21000 mA | Gleichstromwiderstand0.3 Ω | TypHochstrom | Nennstrom0.8 A | – | – | – | – | Länge2 mm | Breite1.2 mm | Höhe0.9 mm | MontageartSMT | – | – | – | – | – | – | – | ||||
 | WE-CMB Stromkompensierte Netzdrossel, –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-CMB Stromkompensierte Netzdrossel | – | – | – | – | – | – | – | – | BauformXS | Betriebstemperatur -40 °C up to +125 °C | – | – | – | – | – | – | VersionTHT | – | – | Pins4 | – | – | – | – | – | – | Gleichstromwiderstand0.35 Ω | – | Nennstrom0.7 A | Induktivität10 mH | Nennspannung250 V (AC) | Prüfspannung1500 V (AC) | MaterialMnZn | Länge15 mm | Breite7.5 mm | Höhe18 mm | MontageartTHT | – | – | – | – | – | – | VDE-Zulassung40042670 | ||||
 | WE-TI Tonneninduktivität, –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-TI Tonneninduktivität | – | – | – | – | – | – | – | – | Bauform5075 | Betriebstemperatur -40 °C up to +125 °C | – | – | – | – | Sättigungsstrom 11.2 A | Eigenresonanzfrequenz10.6 MHz | VersionSchrumpfschlauch | – | – | – | – | – | – | – | – | – | Gleichstromwiderstand0.34 Ω | – | Nennstrom1.18 A | Induktivität0.047 mH | – | – | MaterialNiZn | Länge6 mm | Breite6 mm | Höhe8.5 mm | MontageartTHT | – | – | – | – | – | – | – | ||||
| WCAP-CSGP MLCCs 50 V(DC), –, 10 pF | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWCAP-CSGP MLCCs 50 V(DC) | Kapazität10 pF | – | – | – | Isolationswiderstand10 GΩ | – | Verpackung7" Tape & Reel | Kapazität±5% | Bauform0603 | Betriebstemperatur -55 °C up to +125 °C | Güte600 % | – | KeramiktypNP0 Klasse I | Pad Dimension0.4 mm | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Nennspannung50 V (AC) | – | – | Länge1.6 mm | Breite0.8 mm | Höhe0.8 mm | – | – | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 50 V(DC), –, 68 pF | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWCAP-CSGP MLCCs 50 V(DC) | Kapazität68 pF | – | – | – | Isolationswiderstand10 GΩ | – | Verpackung7" Tape & Reel | Kapazität±5% | Bauform0603 | Betriebstemperatur -55 °C up to +125 °C | Güte1000 % | – | KeramiktypNP0 Klasse I | Pad Dimension0.4 mm | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Nennspannung50 V (AC) | – | – | Länge1.6 mm | Breite0.8 mm | Höhe0.8 mm | – | – | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 25 V(DC), –, 1 µF | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWCAP-CSGP MLCCs 25 V(DC) | Kapazität1 µF | – | – | – | Isolationswiderstand0.5 GΩ | – | Verpackung7" Tape & Reel | Kapazität±10% | Bauform0603 | Betriebstemperatur -55 °C up to +125 °C | – | Verlustfaktor10 % | KeramiktypX7R Klasse II | Pad Dimension0.4 mm | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Nennspannung25 V (AC) | – | – | Länge1.6 mm | Breite0.8 mm | Höhe0.8 mm | – | – | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 50 V(DC), –, 1 nF | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWCAP-CSGP MLCCs 50 V(DC) | Kapazität1 nF | – | – | – | Isolationswiderstand10 GΩ | – | Verpackung7" Tape & Reel | Kapazität±10% | Bauform0603 | Betriebstemperatur -55 °C up to +125 °C | – | Verlustfaktor2.5 % | KeramiktypX7R Klasse II | Pad Dimension0.4 mm | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Nennspannung50 V (AC) | – | – | Länge1.6 mm | Breite0.8 mm | Höhe0.8 mm | – | – | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 50 V(DC), –, 68 nF | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWCAP-CSGP MLCCs 50 V(DC) | Kapazität68 nF | – | – | – | Isolationswiderstand7.4 GΩ | – | Verpackung7" Tape & Reel | Kapazität±10% | Bauform0603 | Betriebstemperatur -55 °C up to +125 °C | – | Verlustfaktor3 % | KeramiktypX7R Klasse II | Pad Dimension0.4 mm | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Nennspannung50 V (AC) | – | – | Länge1.6 mm | Breite0.8 mm | Höhe0.8 mm | – | – | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 100 V(DC), –, 1 nF | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWCAP-CSGP MLCCs 100 V(DC) | Kapazität1 nF | – | – | – | Isolationswiderstand10 GΩ | – | Verpackung7" Tape & Reel | Kapazität±10% | Bauform0805 | Betriebstemperatur -55 °C up to +125 °C | – | Verlustfaktor2.5 % | KeramiktypX7R Klasse II | Pad Dimension0.5 mm | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Nennspannung100 V (AC) | – | – | Länge2 mm | Breite1.25 mm | Höhe0.8 mm | – | – | – | – | – | – | – | – |