Onsemi NCP1681 | Demoboard NCP1681CCM1KWGEVB | Würth Elektronik Reference Design Search

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reference designNCP1681 | Demoboard NCP1681CCM1KWGEVB

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 (%)	R_ISO	Pitch (mm)	Packaging	Tol. C	Size	Operating Temperature	DF (%)	Ceramic Type	Fl (mm)	I_R (A)	L (mH)	R_{DC max.} (mΩ)	V_R (V (AC))	V_T (V (AC))	Material	L (mm)	W (mm)	H (mm)	Mount	Samples
	890334023015	SPEC		9 files EDA models: Components ZIP ALT Altium_WCAP-FTXX (rev23b).IntLib \| 18.7 MB CDS Cadence_WCAP-FTXX (rev23b).zip \| 15.7 MB EAG Eagle_WCAP-FTXX (rev23a).lbr \| 227.1 KB KIC KiCad_WCAP-FTXX (rev25a).zip \| 4.6 MB ZUK CadStar_WCAP-FTXX (rev19b).zip \| 17.7 KB CAD files ZIP 3D 3D_WCAP-FTXX_10x13x4,5x9,5 (rev1).pdf \| 82 KB IGS 890334023015 (rev1).igs \| 3.5 MB STP STP_WCAP-FTXX_8903340230xxxx (rev1).stp \| 739 KB Electric models ZIP PSP PSpice_WCAP-FTXX (rev23a).zip \| 19.1 KB Download all 9 files as zip archive ZIP	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 EDA models: Components ZIP ALT Altium_WCAP-FTXX (rev23b).IntLib \| 18.7 MB CDS Cadence_WCAP-FTXX (rev23b).zip \| 15.7 MB EAG Eagle_WCAP-FTXX (rev23a).lbr \| 227.1 KB KIC KiCad_WCAP-FTXX (rev25a).zip \| 4.6 MB ZUK CadStar_WCAP-FTXX (rev19b).zip \| 17.7 KB CAD files ZIP 3D download_3d_WE-FTXX_22,5x26x11x20 (rev1).pdf \| 79.9 KB IGS 890334026027 (rev1).igs \| 4.1 MB STP Download_STP_890334026027xx (rev1).stp \| 739.4 KB Electric models ZIP PSP PSpice_WCAP-FTXX (rev23a).zip \| 19.1 KB Download all 9 files as zip archive ZIP	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		11 files EDA models: Components ZIP ALT WE-CMBNC (rev24a).IntLib \| 33.5 MB CDS Cadence_WE-CMBNC (rev25a).zip \| 143.6 MB EAG Eagle_WE-CMBNC (rev24a).lbr \| 150.3 KB KIC KiCad_WE-CMBNC (rev25a).zip \| 61.5 MB ZUK Cadstar_WE-CMBNC (rev20a).zip \| 23.3 KB CAD files ZIP 3D 3D_WE-CMBNC-L_7448040707 (rev1).pdf \| 2.2 MB IGS 7448040707 (rev1).igs \| 8.4 MB STP 7448040707 (rev1).stp \| 2.4 MB Electric models ZIP ADS ADS_WE-CMBNC (rev24a).zip \| 14 MB PSP PSpice_WE-CMBNC (rev25a).zip \| 21.2 KB S S-Parameter_7448040707 (rev20a).s4p \| 311.2 KB	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		11 files EDA models: Components ZIP ALT WE-CMBNC (rev24a).IntLib \| 33.5 MB CDS Cadence_WE-CMBNC (rev25a).zip \| 143.6 MB EAG Eagle_WE-CMBNC (rev24a).lbr \| 150.3 KB KIC KiCad_WE-CMBNC (rev25a).zip \| 61.5 MB ZUK Cadstar_WE-CMBNC (rev20a).zip \| 23.3 KB CAD files ZIP 3D 3D_WE-CMBNC-XL_7448050530 (rev1).pdf \| 3.8 MB IGS 7448050530 (rev1).igs \| 11.9 MB STP 7448050530 (rev1).stp \| 4.2 MB Electric models ZIP ADS ADS_WE-CMBNC (rev24a).zip \| 14 MB PSP PSpice_WE-CMBNC (rev25a).zip \| 21.2 KB S S-Parameter_7448050530 (rev20a).s4p \| 312 KB	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 EDA models: Components ZIP ALT Altium_WE-FI (rev22b).IntLib \| 8.1 MB CDS Cadence_WE-FI (rev25a).zip \| 35.7 MB EAG Eagle_WE-FI (rev21a).lbr \| 106.3 KB KIC KiCad_WE-FI (rev25a).zip \| 32.6 MB ZUK Cadstar_WE-FI (rev21a).zip \| 50.3 KB CAD files ZIP IGS 7447076 (rev1).igs \| 3.5 MB STP 7447076 (rev1).stp \| 639.7 KB Electric models ZIP PSP PSpice_WE-FI (rev24a).zip \| 9.8 KB Download all 8 files as zip archive ZIP	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 EDA models: Components ZIP ALT Altium_WCAP-CSGP (rev25b).IntLib \| 912.5 KB CDS Cadence_WCAP-CSGP (rev25c).zip \| 690.7 KB EAG Eagle_WCAP-CSGP (rev25b).lbr \| 1.2 MB KIC KiCad_WCAP-CSGP (rev25a).zip \| 277.3 KB ZUK Cadstar_WCAP-CSGP (rev21c).zip \| 46.5 KB CAD files ZIP STP Download_STP_8850122060xx (rev1).stp \| 29.4 KB Electric models ZIP PSP PSpice_WCAP-CSGP (rev25b).zip \| 336.5 KB Download all 7 files as zip archive ZIP	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
	7448050530	SPEC
	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 (%)	R_ISO	Pitch (mm)	Packaging	Tol. C	Size	Operating Temperature	DF (%)	Ceramic Type	Fl (mm)	I_R (A)	L (mH)	R_{DC max.} (mΩ)	V_R (V (AC))	V_T (V (AC))	Material	L (mm)	W (mm)	H (mm)	Mount	Samples

Online Evaluations