User's Guide SLVU319–July2009 TPS55332EVM Contents 1 Introduction................................................................................................................... 1 2 Setup.......................................................................................................................... 2 2.1 Input/OutputConnectorDescription.............................................................................. 2 2.2 Setup................................................................................................................. 2 2.3 Operation............................................................................................................ 2 2.4 EMCFilter ........................................................................................................... 2 3 BoardLayout................................................................................................................. 2 4 SchematicandBillofMaterials............................................................................................ 5 4.1 Schematic............................................................................................................ 5 4.2 BillofMaterials...................................................................................................... 6 ListofFigures 1 EnableJumperSettings..................................................................................................... 2 2 TopAssemblyLayer......................................................................................................... 3 3 TopLayerRouting........................................................................................................... 3 4 BottomLayerRouting....................................................................................................... 4 5 TPS55332EVMSchematic................................................................................................. 5 ListofTables 1 DeviceandPackageConfigurations...................................................................................... 1 2 TPS55332EVMBillofMaterials ........................................................................................... 6 1 Introduction TheTexasInstrumentsTPS55332EVMevaluationmodule(EVM)helpsdesignersevaluatetheoperation andperformanceoftheTPS55332SwitchModePowerSupply–BoostRegulator.Thedeviceoffers configurabilityandcanbesetuptooperateataswitchingfrequencyfrom80kHzto2.2MHz. TheEVMcontainsoneDC/DCconverter(SeeTable1). Table1.DeviceandPackageConfigurations CONVERTER IC PACKAGE U1 TPS55332QPWPQ1 PWP-20 PowerPADisatrademarkofTexasInstruments. SLVU319–July2009 TPS55332EVM 1 SubmitDocumentationFeedback

Setup www.ti.com 2 Setup ThissectiondescribesthejumpersandconnectorsontheEVMaswellandhowtoproperlyconnect,set upandusetheTPS55332EVM. 2.1 Input/Output Connector Description J1–Inputisthepowerinputterminalfortheconverter.Theterminalblockprovidesapower(Vbat)and ground(GND)connectiontoallowtheusertoattachtheEVMtoacableharness. J2–Outputistheregulatedoutputvoltagefortheconverter.Theterminalblockprovidesapower(V ) OUT andground(GND)connectiontoallowtheusertoattachtheEVMtoacableharness. J3–Syncistheinputterminalforanoptionalexternalinputclocktotheconverter.Theexternalclockcan beusedtosynchronizetheswitchingfrequencyformultipledevices.Theexternalclockfrequencymust meettheFsw<Fext<2· Fswguideline,ifused. JP1–Enableisthejumperusedtoenabletheconverter.TheconverterwillbeenabledwhentheEnable ishighanddisabledwhenlow.Thejumperplacementallowstheconvertertobeenabledordisabled. ENA ENA disabled enabled Figure1.EnableJumperSettings 2.2 Setup Theinputvoltagerangefortheconverteris3.6voltsto24volts.AloadshouldbeappliedtotheOutput terminalforproperoperation. 2.3 Operation ForproperoperationoftheTPS55332,JP1shouldbeproperlyconfigured.Therecommendedsetting, usingshortingblocks. JP1toEnabled Inthisconfiguration,thedevicewillpowerupwhenpowerisapplied. 2.4 EMC Filter TheEVMhasapifilterinputstagetoprovideimprovedEMCperformance.Areversebatteryprotection diode,D2,isalsoinstalled.Thediodeandpifilterarenotrequiredfornormaloperationoftheboost regulator. 3 Board Layout Figure2,Figure3andFigure4showtheboardlayoutfortheTPS55332EVMPWB.Ajumperisprovided toEnablethedevice. TheTPS55332arehighefficiency,butdoesdissipatepower.ThePowerPAD™packageoffersan exposedthermalpadtoenhancethermalperformance.Thismustbesolderedtothecopperlandingon thePCBforoptimalperformance.ThePCBprovides2ozcopperplanesonthetopandbottomto dissipateheat. 2 TPS55332EVM SLVU319–July2009 SubmitDocumentationFeedback

www.ti.com BoardLayout Figure2.TopAssemblyLayer Figure3.TopLayerRouting SLVU319–July2009 TPS55332EVM 3 SubmitDocumentationFeedback

BoardLayout www.ti.com Figure4.BottomLayerRouting 4 TPS55332EVM SLVU319–July2009 SubmitDocumentationFeedback

www.ti.com SchematicandBillofMaterials 4 Schematic and Bill of Materials 4.1 Schematic V 4 2 0- A m V 0 T 2 1 J1 25 50 VBA GND J2 2 1 D D2 C4 0.1uF GND C8 10uF GGNDN GNDGND 0uH 2 1 C3+10uF 2 VOUT 1 C7+ 0.1uF 2 GND GND GND 1 G L1 1 C2 100uF GND V_RE TP1 R2 49.9 TP2 R7 100k R9 11.3k GND 1 C1+ 0.1uF 2 C10 0.1uF 0 VIN L2 22uH D3 0 1 R 1 2 W C5 10uF S D1 1 + 2 GND V_REG R8 267k R11 8.66k GND GND VIN C60.1uF GND GND C11 0.47uF GND 20 19 18 17 16 15 14 13 12 11 2 PS5533 BOOT VIN PH PGND VREG COMP VSENSE RST_TH GND SS T DAP 12 GND W U1 NC NC SYNC GND EN RT RSLE RST CDLY GND 1GND 2GND 3 4GND 5 200k6 4.99k7 2k8 2.2nF9 10GND C N Y S 4 5 6 9 R R R C GND GNDP V_REG GND 3 N R D R1 10k GND 1 GND VIN nable JP1 E Figure5.TPS55332EVMSchematic SLVU319–July2009 TPS55332EVM 5 SubmitDocumentationFeedback

SchematicandBillofMaterials www.ti.com 4.2 Bill of Materials Table2.TPS55332EVMBillofMaterials COUNT REFDES DESCRIPTION SIZE MFR PARTNUMBER 3 C1,C4,C7 Capacitor,ceramic,0.1uF,50V,10% 1206 KEMET C1206C104K5RACTU 1 C2 Capacitor,electrolytic,100uF,50V, 8.3mmx8.3mm Panasonic EEV-FK1H101P 20% 2 C3,C5 Capacitor,electrolytic,10uF,50V, 5.0mmx5.8mm Panasonic EEV-FK1H100UR 20% 2 C6,C10 Capacitor,ceramic,0.1uF,50V,10% 0603 muRata GCM188R71H104KA57B 1 C8 Capacitor,ceramic,10uF,50V,10% 2220 TDK C5750X7R1H106M 1 C9 Capacitor,ceramic,2.2nF,50V,10% 0603 muRata GCM1885C1H222JA16B 1 C11 Capacitor,ceramic,0.47uF,16V, 0603 muRata GCM188R71C474KA55B 10% 3 D1,D2,D3 Diode,Schottky,3A,100V SMC IR 30BQ100 2 J1,J2 Terminalblock,2-pin,6A,3.5mm 0.25· 0.27 OST ED1514 5 SW,SYNC, Testpoint,52-mil 0.052 Kobiconn 151-103-RC VBAT,VIN, VOUT 1 EN Header,3-pin,100-milspacing, 0.100· 3 Sullins PEC03SAAN (36-pinstrip) 1 EN Connectorjumper,shorting,100-mil 0.100 Sullins SPC02SYAN spacing 1 L1 Inductor,SMT,10-uH 12.3mm· Coilcraft MSS1278T-103 12.3mm 1 L2 Inductor,SMT,22-uH 12.3mm· Coilcraft MSS1278T-223 12.3mm 1 R1 Resistor,chip,10-kW ,1/16W,1% 0603 Panasonic ERJ-3EKF1004V 1 R2 Resistor,chip,49.9-W ,1/16W,1% 0603 Panasonic ERJ-3EKF49R9V 1 R3 Donotpopulate 1 R4 Resistor,chip,200-kW ,1/16W,1% 0603 Panasonic ERJ-3EKF2003V 1 R5 Resistor,chip,4.99-kW ,1/16W,1% 0603 Panasonic ERJ-3EKF4991V 1 R6 Resistor,chip,2-kW ,1/16W,1% 0603 Panasonic ERJ-3EKF2001V 1 R7 Resistor,chip,100-kW ,1/16W,1% 0603 Panasonic ERJ-3EKF1003V 1 R8 Resistor,chip,267-kW ,1/16W,1% 0603 Panasonic ERJ-3EKF2673V 1 R9 Resistor,chip,11.3-kW ,1/16W,1% 0603 Panasonic ERJ-3EKF1132V 1 R10 Resistor,chip,0-W ,1/16W,1% 0603 Panasonic ERJ-3GEY0R00V 1 R11 Resistor,chip,8.66-kW ,1/16W,1% 0603 Panasonic ERJ-3EKF8661V 1 U1 IC,TPS55332-Q1PWPR TI TPS55332QPWP 1 - PCB,2.2-inchx2.0-inchx0.062 Any TPS55332,REVC 6 TPS55332EVM SLVU319–July2009 SubmitDocumentationFeedback

EVALUATIONBOARD/KITIMPORTANTNOTICE TexasInstruments(TI)providestheenclosedproduct(s)underthefollowingconditions: Thisevaluationboard/kitisintendedforuseforENGINEERINGDEVELOPMENT,DEMONSTRATION,OREVALUATIONPURPOSES ONLYandisnotconsideredbyTItobeafinishedend-productfitforgeneralconsumeruse.Personshandlingtheproduct(s)musthave electronicstrainingandobservegoodengineeringpracticestandards.Assuch,thegoodsbeingprovidedarenotintendedtobecomplete intermsofrequireddesign-,marketing-,and/ormanufacturing-relatedprotectiveconsiderations,includingproductsafetyandenvironmental measurestypicallyfoundinendproductsthatincorporatesuchsemiconductorcomponentsorcircuitboards.Thisevaluationboard/kitdoes notfallwithinthescopeoftheEuropeanUniondirectivesregardingelectromagneticcompatibility,restrictedsubstances(RoHS),recycling (WEEE),FCC,CEorUL,andthereforemaynotmeetthetechnicalrequirementsofthesedirectivesorotherrelateddirectives. Shouldthisevaluationboard/kitnotmeetthespecificationsindicatedintheUser’sGuide,theboard/kitmaybereturnedwithin30daysfrom thedateofdeliveryforafullrefund.THEFOREGOINGWARRANTYISTHEEXCLUSIVEWARRANTYMADEBYSELLERTOBUYER ANDISINLIEUOFALLOTHERWARRANTIES,EXPRESSED,IMPLIED,ORSTATUTORY,INCLUDINGANYWARRANTYOF MERCHANTABILITYORFITNESSFORANYPARTICULARPURPOSE. Theuserassumesallresponsibilityandliabilityforproperandsafehandlingofthegoods.Further,theuserindemnifiesTIfromallclaims arisingfromthehandlingoruseofthegoods.Duetotheopenconstructionoftheproduct,itistheuser’sresponsibilitytotakeanyandall appropriateprecautionswithregardtoelectrostaticdischarge. EXCEPTTOTHEEXTENTOFTHEINDEMNITYSETFORTHABOVE,NEITHERPARTYSHALLBELIABLETOTHEOTHERFORANY INDIRECT,SPECIAL,INCIDENTAL,ORCONSEQUENTIALDAMAGES. TIcurrentlydealswithavarietyofcustomersforproducts,andthereforeourarrangementwiththeuserisnotexclusive. TIassumesnoliabilityforapplicationsassistance,customerproductdesign,softwareperformance,orinfringementofpatentsor servicesdescribedherein. PleasereadtheUser’sGuideand,specifically,theWarningsandRestrictionsnoticeintheUser’sGuidepriortohandlingtheproduct.This noticecontainsimportantsafetyinformationabouttemperaturesandvoltages.ForadditionalinformationonTI’senvironmentaland/or safetyprograms,pleasecontacttheTIapplicationengineerorvisitwww.ti.com/esh. NolicenseisgrantedunderanypatentrightorotherintellectualpropertyrightofTIcoveringorrelatingtoanymachine,process,or combinationinwhichsuchTIproductsorservicesmightbeorareused. FCCWarning Thisevaluationboard/kitisintendedforuseforENGINEERINGDEVELOPMENT,DEMONSTRATION,OREVALUATIONPURPOSES ONLYandisnotconsideredbyTItobeafinishedend-productfitforgeneralconsumeruse.Itgenerates,uses,andcanradiateradio frequencyenergyandhasnotbeentestedforcompliancewiththelimitsofcomputingdevicespursuanttopart15ofFCCrules,whichare designedtoprovidereasonableprotectionagainstradiofrequencyinterference.Operationofthisequipmentinotherenvironmentsmay causeinterferencewithradiocommunications,inwhichcasetheuserathisownexpensewillberequiredtotakewhatevermeasuresmay berequiredtocorrectthisinterference. MailingAddress:TexasInstruments,PostOfficeBox655303,Dallas,Texas75265 Copyright©2009,TexasInstrumentsIncorporated EVMWARNINGSANDRESTRICTIONS ItisimportanttooperatethisEVMwithintheinputvoltagerangeof0Vto40Vandtheoutputvoltagerangeof2.5Vto50V. Exceedingthespecifiedinputrangemaycauseunexpectedoperationand/orirreversibledamagetotheEVM.Iftherearequestions concerningtheinputrange,pleasecontactaTIfieldrepresentativepriortoconnectingtheinputpower. Applyingloadsoutsideofthespecifiedoutputrangemayresultinunintendedoperationand/orpossiblepermanentdamagetotheEVM. PleaseconsulttheEVMUser'sGuidepriortoconnectinganyloadtotheEVMoutput.Ifthereisuncertaintyastotheloadspecification, pleasecontactaTIfieldrepresentative. Duringnormaloperation,somecircuitcomponentsmayhavecasetemperaturesgreaterthan85(cid:176) C.TheEVMisdesignedtooperate properlywithcertaincomponentsabove85(cid:176) Caslongastheinputandoutputrangesaremaintained.Thesecomponentsincludebutare notlimitedtolinearregulators,switchingtransistors,passtransistors,andcurrentsenseresistors.Thesetypesofdevicescanbeidentified usingtheEVMschematiclocatedintheEVMUser'sGuide.Whenplacingmeasurementprobesnearthesedevicesduringoperation, pleasebeawarethatthesedevicesmaybeverywarmtothetouch. MailingAddress:TexasInstruments,PostOfficeBox655303,Dallas,Texas75265 Copyright©2009,TexasInstrumentsIncorporated

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