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Onsemi NCP81231 | Demoboard STR-USBC-4PORT-200W-EVK
NCP81231: Buck Controller, USB Power Delivery and Type-C Applications
Details
| Topologie | Abwärtswandler |
| Schaltfrequenz | 150-1200 kHz |
| IC-Revision | 3 |
Beschreibung
The NCP81231 is a synchronous buck that is optimized for converting battery voltage or adaptor voltage into power supply rails required in notebook, tablet, and desktop systems, as well as many other consumer devices using USB PD standard and C−Type cables. The NCP81231 is fully compliant to the USB Power Delivery Specification when used in conjunction with a USB PD or C−Type Interface Controller. NCP81231 is designed for applications requiring dynamically controlled slew rate limited output voltage.
Eigenschaften
- Wide Input Voltage Range: from 4.5 V to 28 V
- Dynamically Programmed Frequency from 150 kHz to 1.2 MHz
- I2C Interface
- Real Time Power Good Indication
- Controlled Slew Rate Voltage Transitioning
- Feedback Pin with Internally Programmed Reference
- High Resolution DAC Voltage
- Two Independent Current Sensing Inputs
- Support Inductor DCR Sensing
- Over Temperature Protection
- Adaptive Non−Overlap Gate Drivers
- Filter Capacitor Switch Control
- 100% Duty Cycle Operation
- Latched Over−Voltage and Over−Current Protection
- Dead Battery Power Support
- 5 x 5 mm QFN32 Package
Typische Anwendungen
- Notebooks, Tablets, Desktops, Gaming, Monitors, TVs, and Set Top Boxes, Consumer Electronics,
- Power Banks, Car Chargers, Docking Stations
Weiterführende Informationen
Artikeldaten
| Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | L (mm) | Ti | C | VR (V (DC)) | Sicherheitsklasse | dV/dt (V/µs) | DF @ 1 kHz (%) | RISO | Betriebstemperatur | Raster (mm) | W (mm) | ISAT (A) | fres (MHz) | Version | Schlüsselweite (mm) | Endurance (h) | IRIPPLE (mA) | ILeak (µA) | DF (%) | Ø D (mm) | Betätigungskraft (Value) (g) | Schaltbild | Verpackung | VRMS (V) | VDC (V) | VBR (V) | IPeak (A) | Wmax (J) | PDiss (W) | Anwendung | VDE-Zulassung | L (µH) | IR (A) | RDC max. (mΩ) | Pins (Value) (pcs) | Reihen | H (mm) | G (mm) | Gender | Typ | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 61300211121 | SPEC | – | 6 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WR-PHD 2.54 mm THT Pin Header | 5.08 | – | – | – | – | – | – | 1000 MΩ | – | 2.54 | – | – | – | – | – | – | – | – | – | – | – | – | Beutel | – | – | – | – | – | – | – | – | – | 3 | – | 2 | Single | – | – | Pin Header | Gerade | |
 | 7447231101 | SPEC | 13 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WE-TI Tonneninduktivität | 11 | – | – | – | – | – | – | – | – | – | 11 | 3.1 | 3.6 | Schrumpfschlauch | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 100 | 2.6 | 90 | – | – | 19 | – | – | – | ||
 | 860240473003 | SPEC | 6 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WCAP-AT1H Aluminium-Elektrolytkondensatoren | 11 | – | 47 µF | 25 | – | – | – | – | -40 °C bis zu +105 °C | 2.5 | – | – | – | – | – | 5000 | 160 | 11.75 | 14 | 6.3 | – | – | Ammopack | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | ||
| 860240574004 | SPEC | 6 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WCAP-AT1H Aluminium-Elektrolytkondensatoren | 11.5 | – | 47 µF | 35 | – | – | – | – | -40 °C bis zu +105 °C | 3.5 | – | – | – | – | – | 8000 | 240 | 16.45 | 12 | 8 | – | – | Ammopack | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | ||
 | 820412711 | SPEC | 6 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WE-VD Disk Varistor | 12.5 | – | – | – | – | – | – | – | -40 °C bis zu +85 °C | – | 4.4 | – | – | THT | – | – | – | – | – | 12.5 | – | – | – | 275 | 350 | 430 | 3500 | 80 | 0.4 | 230 VAC | Ja | – | – | – | – | – | 16 | – | – | – | ||
 | 890324023023 | SPEC | 8 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WCAP-FTX2 Folienkondensatoren | 13 | – | 100 nF | 275 | X2 | 300 | 0.1 | 30 GΩ | -40 °C bis zu +105 °C | 10 | 7 | – | – | – | – | – | – | – | – | – | – | – | Lose | – | – | – | – | – | – | Across the mains | – | – | – | – | – | – | 13 | 18 | – | – | ||
| 890324024003 | SPEC | 8 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WCAP-FTX2 Folienkondensatoren | 15 | – | 330 nF | 275 | X2 | 260 | 0.1 | 30 GΩ | -40 °C bis zu +105 °C | 12.5 | 8.5 | – | – | – | – | – | – | – | – | – | – | – | Lose | – | – | – | – | – | – | Across the mains | – | – | – | – | – | – | 14 | 18 | – | – | ||
| 860240475007 | SPEC | 6 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WCAP-AT1H Aluminium-Elektrolytkondensatoren | 16 | – | 220 µF | 25 | – | – | – | – | -40 °C bis zu +105 °C | 5 | – | – | – | – | – | 10000 | 580 | 55 | 14 | 10 | – | – | Ammopack | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | ||
 | 860080578019 | SPEC | 7 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WCAP-ATLI Aluminium-Elektrolytkondensatoren | 20 | – | 680 µF | 35 | – | – | – | – | -55 °C bis zu +105 °C | 5 | – | – | – | – | – | 5000 | 2260 | 238 | 9 | 13 | – | – | Ammopack | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | ||
 | 61302021021 | SPEC | – | 6 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WR-PHD 2.54 mm THT Angled Dual Pin Header | 25.4 | – | – | – | – | – | – | 1000 MΩ | – | 2.54 | – | – | – | – | – | – | – | – | – | – | – | – | Beutel | – | – | – | – | – | – | – | – | – | 3 | – | 20 | Dual | – | – | Pin Header | Angled | |
 | 7447055 | SPEC | – | 6 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WE-FI Funkentstördrossel | 26 | – | – | – | – | – | – | – | -40 °C bis zu +105 °C | – | 13 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 150 | 5.4 | 42 | – | – | – | 15 | – | – | |
 | 970300365 | SPEC | – | 3 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WA-SPAII Plastic Spacer Stud, metric, internal/ internal | 30 | M3 | – | – | – | – | – | – | – | – | – | – | – | – | 6 | – | – | – | – | – | – | – | Beutel | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |
 | 450301014042 | SPEC | – | 5 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WS-SLTV THT Mini Slide Switch, Opposite Side Connection 10x2.5 mm | – | – | – | 12 | – | – | – | 10000 MΩ | – | – | – | – | – | – | – | – | – | – | – | – | 800 | SPDT | Lose | – | – | – | – | – | – | – | – | – | 0.5 | – | – | – | – | – | – | – | |
 | 971100365 | SPEC | – | 3 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WA-SPAIE Plastic Spacer Stud, metric, internal/ external | – | M3 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Beutel | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |
 | 709940300 | SPEC | – | 3 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WA-SNTE Snap-In Stop Spacer for Printed Circuit Boards | – | M3 | – | – | – | – | – | – | -30 °C bis zu +85 °C | – | – | – | – | – | 5.5 | – | – | – | – | – | – | – | Beutel | – | – | – | – | – | – | – | – | – | – | – | – | – | 2.4 | – | – | – | |
| 750317576 | SPEC | – | – | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | Inductor | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | ||
| 750316907 | SPEC | – | – | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | Transformer | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Artikel Nr. | Datenblatt | Simulation | |
|---|---|---|---|
| 61300211121 | SPEC | – |
| 7447231101 | SPEC | |
| 860240473003 | SPEC | |
| 860240574004 | SPEC | |
| 820412711 | SPEC | |
| 890324023023 | SPEC | |
| 890324024003 | SPEC | |
| 860240475007 | SPEC | |
| 860080578019 | SPEC | |
| 61302021021 | SPEC | – |
| 7447055 | SPEC | – |
| 970300365 | SPEC | – |
| 450301014042 | SPEC | – |
| 971100365 | SPEC | – |
| 709940300 | SPEC | – |
| 750317576 | SPEC | – | |
| 750316907 | SPEC | – |
| Muster |
|---|
| Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | L (mm) | Ti | C | VR (V (DC)) | Sicherheitsklasse | dV/dt (V/µs) | DF @ 1 kHz (%) | RISO | Betriebstemperatur | Raster (mm) | W (mm) | ISAT (A) | fres (MHz) | Version | Schlüsselweite (mm) | Endurance (h) | IRIPPLE (mA) | ILeak (µA) | DF (%) | Ø D (mm) | Betätigungskraft (Value) (g) | Schaltbild | Verpackung | VRMS (V) | VDC (V) | VBR (V) | IPeak (A) | Wmax (J) | PDiss (W) | Anwendung | VDE-Zulassung | L (µH) | IR (A) | RDC max. (mΩ) | Pins (Value) (pcs) | Reihen | H (mm) | G (mm) | Gender | Typ | Muster |
|---|