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Onsemi NCP1681 | Demoboard NCP1681CCM1KWGEVB
CCM Totem pole PFC 1000 W design with Gate driver integrated GaNFETs
Overview
| Topology | Power Factor Correction |
| IC revision | 1 |
Description
This design used onsemi’s NCP1681BA Multi-Mode Totem Pole PFC controller, NCP58921 Gate driver integrated GaNFETs for Fast leg, NCP51530 650V gate driver for slow leg and NCP51561 galvanic isolated gate driver for fast leg.
Features
- Totem Pole PFC Topology Eliminates Input Diode Bridge Enabling Very High Efficiency & Compact Design
- AC Line Monitoring Circuit & AC Phase Detection
- Brownout Detection
- Digital Loop Compensation
- Novel Current Sensing Scheme Providing Inductor Current Upslope and Downslope Sensing
- PFCOK Indicator
- Skip/Standby Mode for Optimizing Light Load Performance
- Near−Unity Power Factor in All Operating Modes
Typical applications
- Totem-Pole PFC
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | Application | C | Safety Class | dV/dt (V/µs) | DF @ 1 kHz (%) | RISO | Pitch (mm) | Packaging | Tol. C | Size | Operating Temperature | DF (%) | Ceramic Type | Fl (mm) | IR (A) | L (mH) | RDC max. (mΩ) | VR (V (AC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 890334023015 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-FTXX Film Capacitors | Across the mains | 47 nF | X2 | 300 | 0.1 | 30 GΩ | 10 | Bulk | ±10% | Pitch 10 mm | -40 °C up to +105 °C | – | – | – | – | – | – | 310 | – | – | 13 | 4.5 | 9.5 | Boxed THT | ||
| 890334026027 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-FTXX Film Capacitors | Across the mains | 1 µF | X2 | 170 | 0.1 | 10 GΩ | 22.5 | Bulk | ±10% | Pitch 22.5 mm | -40 °C up to +105 °C | – | – | – | – | – | – | 310 | – | – | 26 | 11 | 20 | Boxed THT | ||
 | 7448040707 | SPEC PCN pendingDue to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. | 11 files | Active i| Production is active. Expected lifetime: >10 years. | WE-CMBNC Common Mode Power Line Choke Nanocrystalline | – | – | – | – | – | – | – | – | – | L | -55 °C up to +125 °C | – | – | – | 7 | 7 | 22 | 300 | 2100 | Nanocrystalline | 29 | 19 | 32 | THT | ||
 | 7448050530 | SPEC PCN pendingDue to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. | 11 files | Active i| Production is active. Expected lifetime: >10 years. | WE-CMBNC Common Mode Power Line Choke Nanocrystalline | – | – | – | – | – | – | – | – | – | XL | -55 °C up to +125 °C | – | – | – | 5 | 30 | 46 | 300 | 2100 | Nanocrystalline | 33 | 23 | 34 | THT | ||
 | 7447076 | SPEC | – | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-FI Leaded Toroidal Line Choke | – | – | – | – | – | – | – | – | – | – | -40 °C up to +105 °C | – | – | – | 6.1 | 0.15 | 45 | – | – | – | 27.5 | 13.6 | – | THT | |
 | 885012206102 | SPEC | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 100 V(DC) | – | 100 pF | – | – | – | 10 GΩ | – | 7" Tape & Reel | ±10% | 0603 | -55 °C up to +125 °C | 2.5 | X7R Class II | 0.4 | – | – | – | 100 | – | – | 1.6 | 0.8 | 0.8 | – | ||
| 750319122 | SPEC | – | – | Active i| Production is active. Expected lifetime: >10 years. | Power Inductor | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 890334023015 | SPEC | |
| 890334026027 | SPEC | |
| 7448040707 | SPEC PCN pendingDue to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. | |
| 7448050530 | SPEC PCN pendingDue to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. | |
| 7447076 | SPEC | – |
| 885012206102 | SPEC | |
| 750319122 | SPEC | – |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | Application | C | Safety Class | dV/dt (V/µs) | DF @ 1 kHz (%) | RISO | Pitch (mm) | Packaging | Tol. C | Size | Operating Temperature | DF (%) | Ceramic Type | Fl (mm) | IR (A) | L (mH) | RDC max. (mΩ) | VR (V (AC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Mount | Samples |
|---|
