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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 | Downloads | Status | Product series | Samples | |
|---|---|---|---|---|---|---|
 | 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. | – | Active i| Production is active. Expected lifetime: >10 years. | WE-CMBNC Common Mode Power Line Choke Nanocrystalline | |
 | 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. | – | Active i| Production is active. Expected lifetime: >10 years. | WE-CMBNC Common Mode Power Line Choke Nanocrystalline | |
 | 890334023015 | – | – | Active i| Production is active. Expected lifetime: >10 years. | WCAP-FTXX Film Capacitors | |
| 890334026027 | – | – | Active i| Production is active. Expected lifetime: >10 years. | WCAP-FTXX Film Capacitors | |
 | 7447076 | – | – | Active i| Production is active. Expected lifetime: >10 years. | WE-FI Leaded Toroidal Line Choke | |
 | 885012206102 | – | – | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 100 V(DC) | |
| 750319122 | – | – | Active i| Production is active. Expected lifetime: >10 years. | – |
| Order Code | Datasheet | |
|---|---|---|
| 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. |
| 890334023015 | – |
| 890334026027 | – |
| 7447076 | – |
| 885012206102 | – |
| 750319122 | – |
| Samples |
|---|
| Order Code | Datasheet | Downloads | Status | Product series | Samples |
|---|
