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| datasheet productstructure siliconmonolithicintegratedcircuit thisproductisnotdesignedprotectionagainstrad ioactiverays 1/10 ?2012rohmco.,ltd.allrightsreserved. www.rohm.com tsz22111 ? 14 ? 001 ! " # $ %&'( ) ! thisisthesummaryofmodelsthatsuitfornoteboo kpccoolingfanmotor.theyemploybicmosprocessan drealizelow onresistance,lowpowerconsumptionandquietdriv e. compactpackage(msop8) btlsoftswitchingdrive constantvoltageoutputforhallelement lockprotectionandautorestart (withoutexternalcapacitor) lockalarmsignal(al)output *!! ) compact5vfansuchasnotebookpccoolingfan +), -. w(typ.)xd(typ.)xh(max.) msop8 2.90mmx4.00mmx0.90mm */ #0 # # parameter symbol limit unit supplyvoltage vcc 7 v powerdissipation pd 585* mw operatingtemperature topr 40to+105 storagetemperature tstg 55to+150 outputcurrent iomax 1000** ma alsignaloutputvoltage val 7 v alsignaloutputcurrent ial 5 ma junctiontemperature tjmax 150 * reduceby4.68mw/ overta=25 o c(70.0mm70.0mm1.6mmglassepoxyboard) ** thisvalueisnottoexceedpd 1! )$ parameter symbol limit unit operatingsupplyvoltagerange vcc 2.0to6.0 v hallinputvoltagerange vh 0.4tovcc1.1 v 1+' downloaded from: http:/// datasheet 2/10 ?2012rohmco.,ltd.allrightsreserved. www.rohm.com tsz22111 ? 15 ? 001 %&'( 2 ) ) )) ) (unlessotherwisespecifiedta=25 ,vcc=5v) parameter symbol limits unit conditions characteristics min. typ. max. circuitcurrent icc 5 8 ma fig.1 inputoffsetvoltage vhofs 6 mv outputvoltage vo 0.32 0.49 v io 250ma upperandlowertotal fig.2,3 inputoutputgain gio 45 48 51 db allowvoltage vall 0.3 v ial=3ma fig.4 lockdetectionontime ton 0.35 0.50 0.65 s fig.5 lockdetectionofftime toff 3.5 5.0 6.5 s fig.6 hallbiasvoltage vhb 1.1 1.3 1.5 v ihb=5ma fig.7 / h+ h out1 out2 al normaloperation:l(outputison) lockdetection:h(outputisoff) h l h l l h l h downloaded from: http:/// datasheet 3/10 ?2012rohmco.,ltd.allrightsreserved. www.rohm.com tsz22111 ? 15 ? 001 %&'( 3)$ 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 0 2 4 6 8 supplyvoltage,vcc[v] lockdetectionofftime,toff[s] 0.0 0.2 0.4 0.6 0.8 1.0 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 outputcurrent,io[a] outputlvoltage[v] outputlvoltage[v] fig.2outputlvoltage 105 25 40 0 1 2 3 4 5 6 0 2 4 6 8 supplyvoltage, vcc[ v] circuitcurrent ,icc [ma] 1.0 0.8 0.6 0.4 0.2 0.0 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 outputcurrent,io[a] outputhvoltage[v] outputhvoltage[v] 0.0 0.2 0.4 0.6 0.8 1.0 0.0 2.0 4.0 6.0 8.0 supplyvoltage,vcc[v] lockdetectionontime,ton[s] 0.0 0.1 0.2 0.3 0.4 0.5 0 1 2 3 4 5 alcurrent,ial[ma] allowvoltage,vall[v] allowvoltage,vall[v] 0.0 0.4 0.8 1.2 1.6 0 2 4 6 8 10 hallbiascurrent,ihb[ma] hallbiasvoltage,vhb[v] fig.7hallbiasvoltage fig.1circuitcurrent 105 40 25 fig.3outputhvoltage 105 25 40 fig.4allowvoltage 6v 2v 5v fig.6lockdetectionofftime 40 25 105 fig.5lockdetectionontime 40 25 105 105 25 40 operatingvoltagerange operatingvoltagerange operatingvoltagerange downloaded from: http:/// datasheet 4/10 ?2012rohmco.,ltd.allrightsreserved. www.rohm.com tsz22111 ? 15 ? 001 %&'( ),$ #4!! ) ) ) 4$! # osc:internalreferenceoscillationcircuit tsd:thermalshutdown(heatrejectioncircuit) pinno. terminalname function 1 out2 motoroutputterminal2 2 h+ hallinputterminal+ 3 hb hallbiasterminal 4 h hallinputterminal 5 al alsignaloutputterminal 6 vcc powersupplyterminal 7 out1 motoroutputterminal1 8 gnd gndterminal ,# )) $ )) 3 !" !! 5$/), ) # 3) 6)! 3 " ) 3 ) *$7 ! # # /) $ 3" ) 3 ! "3#$!$ # ! !$ ! ) ! ! + ' + & + 18 9 1 :), + ) *:: % & ' ; < => 18 )) *: *:: downloaded from: http:/// datasheet 5/10 ?2012rohmco.,ltd.allrightsreserved. www.rohm.com tsz22111 ? 15 ? 001 %&'( ) ! 3! 1)lockprotectionandautomaticrestartcircuit motorrotationisdetectedbyhallsignal,andlock detectionontime(ton)andlockdetectionofftim e(toff)areset byicinternalcounter.externalpart(corr)isno trequired.timingchartisshowninfig.8. fig.8lockprotectiontimingchart 2)softswitchingfunction(silentdrivesetting) inputsignaltohallamplifierisamplifiedtoprod uceanoutputsignal. whenthehallelementoutputsignalissmall,theg radientofswitchingofoutputwaveformisgentle; whenitislarge, thegradientofswitchingofoutputwaveformisste ep.enteranappropriatehallelementoutputtoicw hereoutput waveformswingssufficiently. fig.9relationbetweenhallelementoutputamplitud eandoutputwaveform 3)hallinputsetting hallinputvoltagerangeisshowninoperatingcond itions. fig.10hallinputvoltagerange adjustthevalueofhallelementbiasresistorr1i nfig.11sothattheinputvoltageofahallamplif ierisinputin"hall inputvoltagerange"includingsignalamplitude. (h+)(h) out1 vcc1.1v vcc gnd hallinputvoltagerange 0.4v h+ toff ton idling outputtroff on motor locking lock detection lock release recovers normal operation out2 al hi(opencollector) out1 downloaded from: http:/// datasheet 6/10 ?2012rohmco.,ltd.allrightsreserved. www.rohm.com tsz22111 ? 15 ? 001 %&'( reducingthenoiseofhallsignal hallelementmaybeaffectedbyvccnoisedepending onthewiringpatternofboard.inthiscase,place a capacitorlikec1infig.11.inaddition,whenwiri ngfromthehallelementoutputtoichallinputis long,noisemay beloadedonwiring.inthiscase,placeacapacito rlikec2infig.11. fig.11applicationnearofhallsignal 2? ) ) 1)hallinputterminal 2)motoroutputtermina l 3)hallbiasterminal 4)aloutputterminal biascurrent =vhb/(rh+r1) out1 vcc gnd out2 h+ h hb c2 h h+ hb r1 rh c1 al downloaded from: http:/// datasheet 7/10 ?2012rohmco.,ltd.allrightsreserved. www.rohm.com tsz22111 ? 15 ? 001 %&'( 3 5# 1)reverseconnectionprotectiondiode reverseconnectionofpowerresultsinicdestructi onasshowninfig.12.whenreverseconnectionisp ossible, reverseconnectiondestructionpreventivediodemus tbeaddedbetweenpowersupplyandvcc. fig.12flowofcurrentwhenpowerisconnectedreve rsely 2)measureagainstvccvoltagerisebybackelectro motiveforce backelectromotiveforce(backemf)generatesregenera tivecurrenttopowersupply.however,whenreverse connectionprotectiondiodeisconnected,vccvolta gerisesbecausethediodepreventscurrentflowto powersupply. fig.13vccvoltagerisebybackelectromotiveforce whentheabsolutemaximumratedvoltagemaybeexc eededduetovoltagerisebybackelectromotivefor ce,place (a)capacitoror(b)zenerdiodebetweenvccandgnd. ifnecessary,addboth(c).. fig.14measureagainstvccvoltagerise vcc gnd vcc gnd vcc gnd internalcircuitimpedancehigh amperagesmall circuit block each pin innormalenergization largecurrentflows # $ ) each pin circuit block reversepowerconnection nodestruction each pin circuit block afterreverseconnection destructionprevention phase switching on on on on (a)capacitor (b)zenerdiode (c)capacitorandzenerdiode on on on on on on downloaded from: http:/// datasheet 8/10 ?2012rohmco.,ltd.allrightsreserved. www.rohm.com tsz22111 ? 15 ? 001 %&'( 3)problemofgndlinepwmswitching donotperformpwmswitchingofgndlinebecauseth epotentialofgndterminalcannotbekeptatthem inimum. fig.15gndlinepwmswitchingprohibited 4)aloutput aloutputisanopendrainandrequirespullupres istor. theiccanbeprotectedbyaddingresistorr1.ane xcessofabsolutemaximumrating,whenaloutputte rminalis directlyconnectedtopowersupply,coulddamageth eic. fig.16protectionofalterminal # $ ) thermalderatingcurveindicatespowerthatcanbe consumedbyicwithreferencetoambienttemperatur e.powerthat canbeconsumedbyicbeginstoattenuateatcertai nambienttemperature.thisgradientisdetermined bythermal resistanceja. thermalresistancejadependsonchipsize,power consumption,packageambienttemperature,packaging condition, windvelocity,etc.,evenwhenthesamepackageis used.thermalderatingcurveindicatesareference valuemeasured ataspecifiedcondition.fig.17showsathermalde ratingcurve(valuewhenmountingfr4glassepoxyb oard70[mm]x 70[mm]x1.6[mm](copperfoilareabelow3[%])) reduceby4.68mw/cover25c. (70.0mm70.0mm1.6mmglassepoxyboard) fig.17thermalderatingcurve pwminput prohibited vcc motor driver gnd controller m pd(mw) 700 600 585 500 400 300 200 100 0 25 50 75 105 100 125 150 ta( ) al protection resistorr1 pullup resistor vcc connector ofboard downloaded from: http:/// datasheet 9/10 ?2012rohmco.,ltd.allrightsreserved. www.rohm.com tsz22111 ? 15 ? 001 %&'( > 3 1) absolutemaximumratings devicesmaybedestroyedwhensupplyvoltageorope ratingtemperatureexceedstheabsolutemaximumrat ings. becausethecauseofthisdamagecannotbeidentifie dasashortcircuitoranopencircuit,ifanyove rratedvalues willexpecttoexceedtheabsolutemaximumratings, consideraddingcircuitprotectiondevices,sucha sfuses. 2) connectingthepowersupplyconnectorbackward connectingofthepowersupplyinreversepolarity candamageic.takeprecautionswhenconnectingthe power supplylines.anexternaldirectiondiodecanbead ded. 3) powersupplyline backelectromotiveforcecausesregeneratedcurrent topowersupplyline,thereforetakeameasuresuch asplacing acapacitorbetweenpowersupplyandgndforroutin gregeneratedcurrent.andfullyensurethattheca pacitor characteristicshavenoproblembeforedeterminea capacitorvalue.(whenapplyingelectrolyticcapaci tors, capacitancecharacteristicvaluesarereducedatlo wtemperatures) 4) gndpotential itispossiblethatthemotoroutputterminalmayd eflectbelowgndterminalbecauseofinfluencebyb ack electromotiveforceofmotor.thepotentialofgnd terminalmustbeminimumpotentialinalloperating conditions, exceptthatthelevelsofthemotoroutputstermina lsareundergndlevelbythebackelectromotivefo rceofthe motorcoil.alsoensurethatallterminalsexceptg ndandmotoroutputterminalsdonotfallbelowgnd voltage includingtransientcharacteristics.malfunctionma ypossiblyoccurdependingonusecondition,enviro nment,and propertyofindividualmotor.pleasemakefullyconf irmationthatnoproblemisfoundonoperationofi c. 5) thermaldesign useathermaldesignthatallowsforasufficientm argininlightofthepowerdissipation(pd)inactua loperating conditions. 6) interpinshortsandmountingerrors usecautionwhenpositioningtheicformountingon printedcircuitboards.theicmaybedamagedift hereisany connectionerrororifpinsareshortedtogether. 7) actionsinstrongelectromagneticfield usecautionwhenusingtheicinthepresenceofa strongelectromagneticfieldasdoingsomaycause theicto malfunction. 8) aso whenusingtheic,settheoutputtransistorsotha titdoesnotexceedabsolutemaximumrationsoras o. 9) thermalshutdowncircuit theicincorporatesabuiltinthermalshutdowncir cuit(tsdcircuit).operationtemperatureis175oc( typ.)andhasa hysteresiswidthof25oc(typ.).whenicchiptempe raturerisesandtsdcircuitworks,theoutputtermi nalbecomes anopenstate.tsdcircuitisdesignedonlytoshut theicofftopreventthermalrunaway.itisnotde signedtoprotect theicorguaranteeitsoperation.donotcontinue tousetheicafteroperationthiscircuitoruset heicinan environmentwheretheoperationofthiscircuitis assumed. 10) testingonapplicationboards whentestingtheiconanapplicationboard,connec tingacapacitortoapinwithlowimpedancesubjec tstheicto stress.alwaysdischargecapacitorsaftereachproc essorstep.alwaysturntheicspowersupplyoff before connectingittoorremovingitfromajigorfixtu reduringtheinspectionprocess.groundtheicdur ingassembly stepsasanantistaticmeasure.usesimilarprecaut ionwhentransportingorstoringtheic. 11) gndwiringpattern whenusingbothsmallsignalandlargecurrentgnd patterns,itisrecommendedtoisolatethetwogrou ndpatterns, placingasinglegroundpointatthegroundpotenti alofapplicationsothatthepatternwiringresist anceandvoltage variationscausedbylargecurrentsdonotcauseva riationsinthesmallsignalgroundvoltage.becare fulnotto changethegndwiringpatternofanyexternalcompo nents,either. 12) capacitorbetweenoutputandgnd whenalargecapacitorisconnectedbetweenoutput andgnd,ifvccisshortedwith0vorgndforsomeca use,it ispossiblethatthecurrentchargedinthecapacit ormayflowintotheoutputresultingindestructio n.keepthe capacitorbetweenoutputandgndbelow100uf. 13) icterminalinput whenvccvoltageisnotappliedtoic,donotapply voltagetoeachinputterminal.whenvoltageabove vccorbelow gndisappliedtotheinputterminal,parasiticele mentisactuatedduetothestructureofic.operat ionofparasitic elementcausesmutualinterferencebetweencircuits ,resultinginmalfunctionaswellasdestructioni nthelast.do notuseinamannerwhereparasiticelementisactu ated. 14) inuse wearesurethattheexampleofapplicationcircuit ispreferable,butpleasecheckthecharacterfurt hermorein applicationtoapartwhichrequireshighprecision .inusingtheunitwithexternalcircuitconstant changed,consider thevariationofexternallyequippedpartsandour icincludingnotonlystaticcharacterbutalsotra nsientcharacter andallowsufficientmarginindetermining. 3 $) # ! 3 $) # 3# ! ) 3 ) *) ##5 53 3) !$ 3# 63 5$ 33) 3 $) # 3# ,! 5 downloaded from: http:/// datasheet 10/10 ?2012rohmco.,ltd.allrightsreserved. www.rohm.com tsz22111 ? 15 ? 001 %&'( +5 ) # , # direction of feed reel ? order quantity needs to be multiple of the minimum quantity. datasheet d a t a s h e e t notice - ge rev.002 ? 2014 rohm co., ltd. all rights reserved. notice precaution on using rohm products 1. our products are designed and manufac tured for application in ordinary elec tronic equipments (such as av equipment, oa equipment, telecommunication equipment, home electroni c appliances, amusement equipment, etc.). if you intend to use our products in devices requiring ex tremely high reliability (such as medical equipment (note 1) , transport equipment, traffic equipment, aircraft/spacecra ft, nuclear power controllers, fuel c ontrollers, car equipment including car accessories, safety devices, etc.) and whose malfunction or failure may cause loss of human life, bodily injury or serious damage to property (specific applications), please consult with the rohm sale s representative in advance. unless otherwise agreed in writing by rohm in advance, rohm shall not be in any way responsible or liable for any damages, expenses or losses incurred by you or third parties arising from the use of any ro hms products for specific applications. (note1) medical equipment classification of the specific applications japan usa eu china class class class b class class | class 2. rohm designs and manufactures its products subject to strict quality control system. however, semiconductor products can fail or malfunction at a certain rate. please be sure to implement, at your own responsibilities, adequate safety measures including but not limited to fail-safe desi gn against the physical injury, damage to any property, which a failure or malfunction of our products may cause. the following are examples of safety measures: [a] installation of protection circuits or other protective devices to improve system safety [b] installation of redundant circuits to reduce the impact of single or multiple circuit failure 3. our products are designed and manufactured for use under standard conditions and not under any special or extraordinary environments or conditio ns, as exemplified below. accordin gly, rohm shall not be in any way responsible or liable for any damages, expenses or losses arising from the use of an y rohms products under any special or extraordinary environments or conditions. if you intend to use our products under any special or extraordinary environments or conditions (as exemplified below), your independent verification and confirmation of product performance, reliability, etc, prior to use, must be necessary: [a] use of our products in any types of liquid, incl uding water, oils, chemicals, and organic solvents [b] use of our products outdoors or in places where the products are exposed to direct sunlight or dust [c] use of our products in places where the products ar e exposed to sea wind or corrosive gases, including cl 2 , h 2 s, nh 3 , so 2 , and no 2 [d] use of our products in places where the products are exposed to static electricity or electromagnetic waves [e] use of our products in proximity to heat-producing components, plastic cords, or other flammable items [f] sealing or coating our products with resin or other coating materials [g] use of our products without cleaning residue of flux (ev en if you use no-clean type fluxes, cleaning residue of flux is recommended); or washing our products by using water or water-soluble cleaning agents for cleaning residue after soldering [h] use of the products in places subject to dew condensation 4. the products are not subjec t to radiation-proof design. 5. please verify and confirm characteristics of the final or mounted products in using the products. 6. in particular, if a transient load (a large amount of load applied in a short per iod of time, such as pulse. is applied, confirmation of performance characteristics after on-boar d mounting is strongly recomm ended. avoid applying power exceeding normal rated power; exceeding the power rating under steady-state loading c ondition may negatively affect product performance and reliability. 7. de-rate power dissipation (pd) depending on ambient temper ature (ta). when used in seal ed area, confirm the actual ambient temperature. 8. confirm that operation temperat ure is within the specified range described in the product specification. 9. rohm shall not be in any way responsible or liable for fa ilure induced under deviant condi tion from what is defined in this document. precaution for mounting / circuit board design 1. when a highly active halogenous (chlori ne, bromine, etc.) flux is used, the resi due of flux may negatively affect product performance and reliability. 2. in principle, the reflow soldering method must be used; if flow soldering met hod is preferred, please consult with the rohm representative in advance. for details, please refer to rohm mounting specification downloaded from: http:/// datasheet d a t a s h e e t notice - ge rev.002 ? 2014 rohm co., ltd. all rights reserved. precautions regarding application examples and external circuits 1. if change is made to the constant of an external circuit, pl ease allow a sufficient margin considering variations of the characteristics of the products and external components, including transient characteri stics, as well as static characteristics. 2. you agree that application notes, re ference designs, and associated data and in formation contained in this document are presented only as guidance for products use. theref ore, in case you use such information, you are solely responsible for it and you must exercise your own independent verification and judgment in the use of such information contained in this document. rohm shall not be in any way responsible or liable for any damages, expenses or losses incurred by you or third parties arising from the use of such information. precaution for electrostatic this product is electrostatic sensitive product, which may be damaged due to electrostatic discharge. please take proper caution in your manufacturing process and storage so that voltage exceeding t he products maximum rating will not be applied to products. please take special care under dry condit ion (e.g. grounding of human body / equipment / solder iron, isolation from charged objects, se tting of ionizer, friction prevention and temperature / humidity control). precaution for storage / transportation 1. product performance and soldered connections may deteriora te if the products are stor ed in the places where: [a] the products are exposed to sea winds or corros ive gases, including cl2, h2s, nh3, so2, and no2 [b] the temperature or humidity exceeds those recommended by rohm [c] the products are exposed to di rect sunshine or condensation [d] the products are exposed to high electrostatic 2. even under rohm recommended storage c ondition, solderability of products out of recommended storage time period may be degraded. it is strongly recommended to confirm sol derability before using products of which storage time is exceeding the recommended storage time period. 3. store / transport cartons in the co rrect direction, which is indicated on a carton with a symbol. otherwise bent leads may occur due to excessive stress applied when dropping of a carton. 4. use products within the specified time after opening a humidity barrier bag. baking is required before using products of which storage time is exceeding the recommended storage time period. precaution for product label qr code printed on rohm products label is for rohms internal use only. precaution for disposition when disposing products please dispose them proper ly using an authorized industry waste company. precaution for foreign exchange and foreign trade act since our products might fall under cont rolled goods prescribed by the applicable foreign exchange and foreign trade act, please consult with rohm representative in case of export. precaution regarding intellectual property rights 1. all information and data including but not limited to application example contained in this document is for reference only. rohm does not warrant that foregoi ng information or data will not infringe any intellectual property rights or any other rights of any third party regarding such information or data. rohm shall not be in any way responsible or liable for infringement of any intellectual property rights or ot her damages arising from use of such information or data.: 2. no license, expressly or implied, is granted hereby under any intellectual property rights or other rights of rohm or any third parties with respect to the information contained in this document. other precaution 1. this document may not be reprinted or reproduced, in whol e or in part, without prior written consent of rohm. 2. the products may not be disassembled, converted, modified, reproduced or otherwise changed without prior written consent of rohm. 3. in no event shall you use in any wa y whatsoever the products and the related technical information contained in the products or this document for any military purposes, incl uding but not limited to, the development of mass-destruction weapons. 4. the proper names of companies or products described in this document are trademarks or registered trademarks of rohm, its affiliated companies or third parties. downloaded from: http:/// datasheet datasheet notice C we rev.001 ? 2014 rohm co., ltd. all rights reserved. general precaution 1. before you use our pro ducts, you are requested to care fully read this document and fully understand its contents. rohm shall n ot be in an y way responsible or liabl e for fa ilure, malfunction or acci dent arising from the use of a ny rohms products against warning, caution or note contained in this document. 2. all information contained in this docume nt is current as of the issuing date and subj ec t to change without any prior notice. before purchasing or using rohms products, please confirm the la test information with a rohm sale s representative. 3. the information contained in this doc ument is provi ded on an as is basis and rohm does not warrant that all information contained in this document is accurate an d/or error-free. rohm shall not be in an y way responsible or liable for an y damages, expenses or losses incurred b y you or third parties resulting from inaccur acy or errors of or concerning such information. downloaded from: http:/// |
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