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A3930 and A3931Demo Board Schematic/LayoutSCHEMATICA3930-31-DB
A3930 andA3931Demo Board Schematic/LayoutLAYOUTAllegro MicroSystems, LLC115 Northeast CutoffWorcester, Massachusetts 01615-0036 U.S.A.1.508.853.5000; www.allegromicro.com2
A3930 andA3931Demo Board Schematic/LayoutAllegro MicroSystems, LLC115 Northeast CutoffWorcester, Massachusetts 01615-0036 U.S.A.1.508.853.5000; www.allegromicro.com3
A3930 andA3931Demo Board Schematic/LayoutAllegro MicroSystems, LLC115 Northeast CutoffWorcester, Massachusetts 01615-0036 U.S.A.1.508.853.5000; www.allegromicro.com4
A3930 andA3931Demo Board Schematic/LayoutBILL OF MATERIALSA3930/A3931 Demo Board Rev 3 Component ListLast Updated: 15/07/2014PartValuePackageDescriptionRS PartPartValuePackageDescriptionRS 1nF100nF12.5mm, 5mm pitch12.5mm, 5mm pitch12.5mm, 5mm pitch4mm dia, 1.5mm pitch4mm dia, 1.5mm 805Radial 5mm080508050805Alu, El'ytic, 50V, 105CAlu, El'ytic, 50V, 105CAlu, El'ytic, 50V, 105CAlu, El'ytic, 16V 105CAlu, El'ytic, 16V 105CCeramic Chip Cap 16V X7RCeramic Chip Cap 16V X7RCeramic Chip Cap 25V X5RCeramic Chip Cap 25V X5RCeramic Chip Cap 25V X5RCeramic Chip Cap 35V X5R/X7RCeramic Chip Cap 16V X5R/X7RCeramic Chip Cap 16V X5R/X7RCeramic Chip Cap 50V X5RCeramic Chip Cap 50V X5RCeramic Chip Cap 50V X5RCeramic Chip Cap 50V X5RCeramic Cap 16V COG(Farnell)Ceramic Chip Cap 50V X5RCeramic Chip Cap 16V X7RCeramic Chip Cap 16V 7k2k250k10k50k470k470k470k470k470k470k2512 050805080508056mm08056mm0805080508050805080508051W Chip ResistorChip ResistorChip ResistorResistor 0.25WChip ResistorChip ResistorChip ResistorChip ResistorChip ResistorChip ResistorChip ResistorChip ResistorChip ResistorChip ResistorChip ResistorChip ResistorChip ResistorChip ResistorChip ResistorChip ResistorChip ResistorChip ResistorChip ResistorChip ResistorChip ResistorChip ResistorChip ResistorMultiturn Cermet Trim ResistorChip ResistorMultiturn Cermet Trim ResistorChip ResistorChip ResistorChip ResistorChip ResistorChip ResistorChip ayDIL-168-pole DIP Switch342-118TPx\1mm PCB Holex36 Test way7.62mm7.62mm5.08mm26-pin5.08mmPheonix 2-way Screw terminalPheonix 3-way Screw terminalPheonix 2-way Screw terminal3M 26-way connectorPheonix 3-way Screw BAT54SOT23Schottky Diode 0.2A 30V436-7818*Gx\1mm PCB Holex4 Ground bars, copper wire, 20swg355-063IC1A3930/A3931 skteLQFP48 in socket\**LED1**LED2\\3mm3mmSensata Technologies 3007-048-6-07(previously Wells-Cti 7007-048-X-07)LED Red 20mALED Red 20mALK4(@ LK4)2-way\SIL 2.54mm pitch\Single row jumper headerJumper shorting link PAK (TO252AA)DPAK (TO252AA)DPAK (TO252AA)DPAK (TO252AA)DPAK (TO252AA)DPAK 14R3\A3930/A3931 Demo Board Rev3\Q1Q2Q3BC807BC807BCP54SOT23SOT23SOT223NPN Bipolar TransistorNPN Bipolar TransistorNPN Bipolar R33R33R33R33R33RR0220805080508050805080508052512 6.4x3.2mmChip ResistorChip ResistorChip ResistorChip ResistorChip ResistorChip Resistor1W Chip 3-0225294-5602Customer Option - Add Additional Sense Resistors if required for Higher CurrentsR8R9R022R0222512 6.4x3.2mm2512 6.4x3.2mm1W Chip Resistor1W Chip Resistor228-4979228-4979NoFit294-5602294-5602(@ R14/C18)1-waySIL 2.54mm pitchx4 SIL sockets for R14/C18 parts267-7416(@ Board)\\Rubber feet (x5 per board)248-451Customer Option - Add Phase Voltage Potential Divider if required for bemf 50805080508050805Chip ResistorChip ResistorChip ResistorChip ResistorChip ResistorChip ResistorAllegro MicroSystems, LLC115 Northeast CutoffWorcester, Massachusetts 01615-0036 U.S.A.1.508.853.5000; 23-0613223-0562223-06135
A3930 andA3931Demo Board Schematic/LayoutRevision HistoryNumberDate–September 13, 2016DescriptionInitial releaseCopyright 2016, Allegro MicroSystems, LLCAllegro MicroSystems, LLC reserves the right to make, from time to time, such departures from the detail specifications as may be required topermit improvements in the performance, reliability, or manufacturability of its products. Before placing an order, the user is cautioned to verify thatthe information being relied upon is current.Allegro’s products are not to be used in any devices or systems, including but not limited to life support devices or systems, in which a failure ofAllegro’s product can reasonably be expected to cause bodily harm.The information included herein is believed to be accurate and reliable. However, Allegro MicroSystems, LLC assumes no responsibility for itsuse; nor for any infringement of patents or other rights of third parties which may result from its use.For the latest version of this document, visit our website:www.allegromicro.comAllegro MicroSystems, LLC115 Northeast CutoffWorcester, Massachusetts 01615-0036 U.S.A.1.508.853.5000; www.allegromicro.com6
Demo Board Schematic/Layout A3930 and A3931 Allegro MicroSystems, LLC 5 115 Northeast Cutoff Worcester, Massachusetts 01615-0036 U.S.A. 1.508.853.5000 www.allegromicro.com BILL OF MATERIALS A3930/A3931 Demo Board Rev 3 Component List Last Updated: 15/07/2014 Part Value Package Description RS Part Part Value Package Description RS Part
