Monolithic Power Systems MP3921 | Demoboard EV3921-U-00A | Würth Elektronik Reference Design Search

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reference designMP3921 | Demoboard EV3921-U-00A

Overview

Topology	LAN / POE
Input voltage	44-57 V
Output 1	57 V
IC revision	1.0

Typical applications

PoE

More information

Products

	Order Code	Datasheet	Simulation	Downloads	Status	Product series	xPxC	EMI	Application System	λ_{Dom typ.} (nm)	Emitting Color	λ_{Peak typ.} (nm)	I_{V typ.} (mcd)	V_{F typ.} (V)	Chip Technology	2θ_{50% typ.} (°)	C	Tol. C	V_R (V (DC))	Size	DF (%)	R_ISO	Ceramic Type	W (mm)	Fl (mm)	Data rate	PoE	Ports	Tab	Improved CMRR	Operating Temperature	LED	PHY Chip Mode	Mount	Shield Tabs	Pins (pcs)	Rows	H (mm)	Gender	Type	I_R (A)	Packaging	Pitch (mm)	Version	L (mm)	Working Voltage (V (AC))	Contact Resistance (mΩ)	Tol. R	Samples
	615008138021	SPEC PCN pending Due to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. SPEC Datasheet valid to 08/07/2025 SPEC Datasheet valid from 09/07/2025	–	6 files EDA models: Components ZIP ALT Altium_WR-MJ (rev23a).IntLib \| 18.3 MB CDS Cadence_WR-MJ (rev24a).zip \| 83.4 MB EAG Eagle_WR-MJ (rev25a).lbr \| 522.8 KB CAD files ZIP 3D 3D_615008138021 (rev1).pdf \| 237 KB IGS Download_IGS_615008138021 (rev1).pdf \| 177.1 KB STP Download_STP_615008138021 (rev1).stp \| 1.2 MB	Active i\| Production is active. Expected lifetime: >10 years.	WR-MJ Modular Jack Vertical Plastic 8P8C	8P8C	No	CAT 3	–	–	–	–	–	–	–	–	–	–	–	–	500 MΩ	–	–	–	–	–	1x1	–	–	-40 °C up to +85 °C	–	–	THT	–	–	–	–	–	Vertical	1.5	Tray	–	–	–	120	20	max.
	7499511611A	SPEC		6 files EDA models: Components ZIP ALT Altium_WE-RJ45 LAN (rev25a).IntLib \| 34.1 MB CDS Cadence_WE-RJ45 (rev25b).zip \| 207.5 MB EAG Eagle_WE-RJ45 LAN (rev25c).lbr \| 979.7 KB ZUK Cadstar_WE-RJ45 LAN (rev21c).zip \| 97.9 KB CAD files ZIP IGS IGS_7499511611A (rev1).igs \| 6.2 MB STP STP_7499511611A (rev1).stp \| 1.8 MB	Active i\| Production is active. Expected lifetime: >10 years.	WE-RJ45 LAN Transformer	–	Yes	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	17	–	1000BASE-T	PoE+	1	Up	Yes	0 °C up to +70 °C	green/orange-yellow	current & voltage	THT	Yes	–	–	13.87	–	PoE+	–	–	–	THT	33.02	–	–	–
	150080RS75000	SPEC		7 files EDA models: Components ZIP ALT Altium_WL-SMCW (rev24b).IntLib \| 246 KB CDS Cadence_WL-SMCW (rev24b).zip \| 1 MB EAG Eagle_WL-SMCW (rev24a).lbr \| 42.2 KB CAD files ZIP 3D Download_3D_150080RS75000 (rev1).pdf \| 54.7 KB IGS Download_IGS_WLSMCW-0805 (rev1).igs \| 546.4 KB STP Download_STP_WL-SMCW-0805 (rev1).stp \| 139 KB Electric models ZIP PSP PSpice_WL-SMCW (rev24b).zip \| 10.9 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	WL-SMCW SMT Mono-color Chip LED Waterclear	–	–	–	625	Red	630	150	2	AlInGaP	140	–	–	–	0805	–	–	–	1.25	–	–	–	–	–	–	-40 °C up to +85 °C	–	–	SMT	–	–	–	0.7	–	–	–	Tape and Reel	–	–	2	–	–	–
	885012207022	SPEC		9 files EDA models: Components ZIP ALT Altium_WCAP-CSGP (rev25a).IntLib \| 911.5 KB CDS Cadence_WCAP-CSGP (rev25a).zip \| 687.8 KB EAG Eagle_WCAP-CSGP (rev25a).lbr \| 1.2 MB KIC KiCad_WCAP-CSGP (rev25a).zip \| 277.2 KB ZUK Cadstar_WCAP-CSGP (rev21c).zip \| 46.5 KB CAD files ZIP 3D 3D_885012207022_WCAP-CSGP-0805-10VDC (rev1).pdf \| 14.6 KB IGS IGS_885012207022_WCAP-CSGP-0805-10VDC (rev1).igs \| 77.4 KB STP Download_STP_8850121070xx (rev1).stp \| 29.3 KB Electric models ZIP PSP PSpice_WCAP-CSGP (rev24b).zip \| 331.9 KB Download all 9 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	WCAP-CSGP MLCCs 10 V(DC)	–	–	–	–	–	–	–	–	–	–	1 µF	±10%	10	0805	5	0.5 GΩ	X7R Class II	1.25	0.5	–	–	–	–	–	-55 °C up to +125 °C	–	–	–	–	–	–	1.25	–	–	–	7" Tape & Reel	–	–	2	–	–	–
	612010235121	SPEC	–	6 files EDA models: Components ZIP ALT Altium_WR-BHD (rev23a).IntLib \| 18.7 MB CDS Cadence_WR-BHD (rev23a).zip \| 19 MB EAG Eagle_WR-BHD (rev24a).lbr \| 2.5 MB CAD files ZIP 3D 612010235121_1 (rev1).pdf \| 67.5 KB IGS 612010235121 (rev1).igs \| 806 KB STP 612010235121 (rev1).stp \| 304.8 KB Download all 6 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	WR-BHD 2.54 mm Male Box Header High Temperature	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	1000 MΩ	–	–	–	–	–	–	–	–	-40 °C up to +125 °C	–	–	THT	–	10	–	–	Male	Straight	3	Tray	2.54	Low Profile	20.3	250	20	max.
	61300211121	SPEC	–	6 files EDA models: Components ZIP ALT Altium_WR-PHD (rev24a).IntLib \| 34.1 MB CDS Cadence_WR-PHD (rev24c).zip \| 63.9 MB EAG Eagle_WR-PHD (rev25a).lbr \| 5.2 MB CAD files ZIP 3D 3D_61300211121 (rev1).pdf \| 21.6 KB IGS Download_IGES_61300211121 (rev1).iges \| 257.6 KB STP Download_STP_61300211121 (rev1).stp \| 63.3 KB	Active i\| Production is active. Expected lifetime: >10 years.	WR-PHD 2.54 mm THT Pin Header	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	1000 MΩ	–	–	–	–	–	–	–	–	-40 °C up to +105 °C	–	–	THT	–	2	Single	–	Pin Header	Straight	3	Bag	2.54	–	5.08	250	20	max.

	Order Code	Datasheet	Simulation
	615008138021	SPEC PCN pending Due to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. SPEC Datasheet valid to 08/07/2025 SPEC Datasheet valid from 09/07/2025	–
	7499511611A	SPEC
	150080RS75000	SPEC
	885012207022	SPEC
	612010235121	SPEC	–
	61300211121	SPEC	–

Samples

	Order Code	Datasheet	Simulation	Downloads	Status	Product series	xPxC	EMI	Application System	λ_{Dom typ.} (nm)	Emitting Color	λ_{Peak typ.} (nm)	I_{V typ.} (mcd)	V_{F typ.} (V)	Chip Technology	2θ_{50% typ.} (°)	C	Tol. C	V_R (V (DC))	Size	DF (%)	R_ISO	Ceramic Type	W (mm)	Fl (mm)	Data rate	PoE	Ports	Tab	Improved CMRR	Operating Temperature	LED	PHY Chip Mode	Mount	Shield Tabs	Pins (pcs)	Rows	H (mm)	Gender	Type	I_R (A)	Packaging	Pitch (mm)	Version	L (mm)	Working Voltage (V (AC))	Contact Resistance (mΩ)	Tol. R	Samples

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