Qorvo ACT4921QW301 | Demoboard ACT4921EVK1-301 | Würth Elektronik Reference Design Search

Overview

Topology	Buck Converter
Input voltage	2.9-3.7 V
Switching frequency	562-2250 kHz
Output 1	3.3 V / 3 A
IC revision	1.0

Description

This document describes the characteristic and operation of the Active Semi ACT4921EVK1-301 evaluation kit (EVK). It provides setup and operation instructions, schematic, layout, BOM, and test data. This EVK demonstrates the ACT4921QI301 eFuse power management IC. Other ACT4921QIxxx options can be evaluated on this EVK by replacing the IC and any other necessary components.

Features

Optimized for Low Voltage Applications
2.6-to-7V Operating Input Range
8V Max Input Blocking Voltage
Adjustable In-rush Current Control
Configurable Input Power Failure Level
28V@4A Synchronous Buck Supports 100% Duty Cycle
Programmable up to 2.25MHz Buck Operating Frequency for Small Inductor Size
Power Loss, Vout Power Good, and Storage Cap Power Good Indicators
Compatible with Different Types of Storage Caps
- Super Caps, Electrolytic, Tantalum, POSCAP etc.
Autonomous Health Monitoring for Detection of Earlier Storage Capacitor Failures
Configurable Interrupts to Inform Host for any Faults/Status Change
eFuse, Boost, and Buck UV/OV/OC Protection
Thermal Enhanced FCQFN 4×4-32 package

Typical applications

Industrial Applications
Solid State Drive / eFuse / Hot Plug Devices
Power Backup Systems

More information

Products

Order Code	Datasheet	Simulation	Downloads	Status	Product series	Application	PCB/Cable/Panel	Modularity	Wire Section	L (µH)	I_RP,40K (A)	I_SAT,30% (A)	R_{DC typ.} (mΩ)	f_res (MHz)	V_OP (V)	Mount	C	V_R (V (DC))	Endurance (h)	Operating Temperature	I_RIPPLE (mA)	Z (mΩ)	I_Leak (µA)	DF (%)	Ø D (mm)	L (mm)	Pins (Value) (pcs)	Rows	H (mm)	Gender	Type	I_R (A)	Packaging	Color
691213710002	SPEC	–	6 files EDA models: Components ZIP ALT Altium_WR-TBL (rev23f).IntLib \| 168.8 MB CDS Cadence_WR-TBL (rev23h).zip \| 338.1 MB EAG Eagle_WR-TBL Rising Cage Clamp (rev23a).lbr \| 2.4 MB CAD files ZIP 3D 3D_691213710002 (rev1).pdf \| 84.7 KB IGS 691213710002 (rev1).igs \| 823.4 KB STP 691213710002 (rev1).stp \| 313.5 KB	Active i\| Production is active. Expected lifetime: >10 years.	WR-TBL Series 213 - 5.00 mm Horiz.l Entry Modular	Rising Cage Clamp	PCB	Yes	26 to 16 (AWG) 0.5 to 1.5 (mm²)	–	–	–	–	–	–	THT	–	–	–	–	–	–	–	–	–	10	2	–	–	–	Horizontal	10	Box	–
865080553014	SPEC		8 files EDA models: Components ZIP ALT Altium_WCAP-ASLI (rev22d).IntLib \| 1.1 MB ZUK CadStar_WCAP-ASLI (rev19a).zip \| 14.4 KB CDS Cadence_WCAP-ASLI (rev22a).zip \| 4.9 MB EAG Eagle_WCAP-ASLI (rev20a).lbr \| 161.6 KB CAD files ZIP 3D 3D_WCAP_ASLI_8x10x3 (rev1).pdf \| 3.1 MB IGS IGS_WCAP-ASLI_8x10.5x3 (rev1).igs \| 1.8 MB STP Download_STP_86508xx530xx (rev1).stp \| 639.6 KB Electric models ZIP PSP PSpice_WCAP-ASLI (rev22a).zip \| 24.6 KB Download all 8 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	WCAP-ASLI Aluminum Electrolytic Capacitors	–	–	–	–	–	–	–	–	–	–	V-Chip SMT	220 µF	35	2000	-55 °C up to +105 °C	570	210	77	14	8	10.5	–	–	–	–	–	–	15" Tape & Reel	–
60900213421	SPEC	–	3 files CAD files ZIP 3D 60900213421_1 (rev1).pdf \| 74.6 KB IGS 60900213421 (rev1).igs \| 968.8 KB STP 60900213421 (rev1).stp \| 324.6 KB Download all 3 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	WR-PHD 2.54 mm Multi-Jumper Jumper with Test Point	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	2.44	1	–	–	Jumper	–	3	Bag	Black
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 (rev24c).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	–	–	–	–	–	–	–	–	–	–	THT	–	–	–	–	–	–	–	–	–	5.08	2	Single	–	Pin Header	Straight	3	Bag	–
61300311121	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 (rev24c).lbr \| 5.2 MB CAD files ZIP 3D 3D_61300311121 (rev1).pdf \| 25.9 KB IGS Download_IGES_61300311121 (rev1).iges \| 345.8 KB STP Download_STP_61300311121 (rev1).stp \| 83.8 KB	Active i\| Production is active. Expected lifetime: >10 years.	WR-PHD 2.54 mm THT Pin Header	–	–	–	–	–	–	–	–	–	–	THT	–	–	–	–	–	–	–	–	–	7.62	3	Single	–	Pin Header	Straight	3	Bag	–
61300411121	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 (rev24c).lbr \| 5.2 MB CAD files ZIP 3D 3D_61300411121 (rev1).pdf \| 30 KB IGS Download_IGES_61300411121 (rev1).iges \| 435.9 KB STP Download_STP_61300411121 (rev1).stp \| 104.9 KB	Active i\| Production is active. Expected lifetime: >10 years.	WR-PHD 2.54 mm THT Pin Header	–	–	–	–	–	–	–	–	–	–	THT	–	–	–	–	–	–	–	–	–	10.16	4	Single	–	Pin Header	Straight	3	Bag	–
74438357022	SPEC		10 files EDA models: Components ZIP ALT WE-MAPI (rev24b).IntLib \| 596.5 KB ZUK Cadstar_WE-MAPI (rev20a).zip \| 15.9 KB CDS Cadence_WE-MAPI (rev24b).zip \| 2.3 MB EAG Eagle_WE-MAPI (rev24b).lbr \| 193.1 KB KIC KiCad_WE-MAPI (rev24b).zip \| 745.1 KB CAD files ZIP 3D 3D_WE-IndMAPI_SSMC-4030_3D (rev1).pdf \| 69.8 KB IGS Download_WE-MAPI-4030_igs (rev1).igs \| 585.1 KB STP Download_WE-MAPI-4030_stp (rev1).stp \| 198.9 KB Electric models ZIP PSP PSpice_WE-MAPI (rev24a).zip \| 31.1 KB SCS Spectre_WE-MAPI (rev24a).mod \| 41 KB Download all 10 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	WE-MAPI SMT Power Inductor	–	–	–	–	2.2	7.1	9.2	22	35	80	SMT	–	–	–	–	–	–	–	–	–	4.3	2	–	3.1	–	–	5.2	–	–