L293D v298n: Umahluko phakathi kwe-L293D kunye ne-L298n
2024-07-12 5402

Kweli nqaku, siza kuthobela umahluko ophambili phakathi kwe-L293D kunye ne-L29n yeenqwelo moya.Ukuqonda umahluko phakathi kwezi zixhobo zimbini kunokusinceda kakhulu ekukhetheni imveliso yolawulo lwemoto efanelekileyo yezicelo ezithile.

Ikhathalogu

Yintoni eyahlulahlula i-L293D kunye ne-l298n eselisayo?Into enye yokuzima ngumthamo wabo wangoku.

I L293D yenzelwe ukuphatha okuqhubekayo okwangoku ukuya kuthi ga kwi-600MA ngetshaneli, kunye nemijelo efikelela kwi-1.2A kumaxesha amafutshane.

I L298nKwelinye icala, unokulawula okwangoku i-2A ye-2A nganye nganye, ehamba ukuya kwi-3a.Umahluko obalulekileyo kwizikhundla zangoku ezinemikhono ye-L298n njengento elunge ngakumbi kwizicelo eziphezulu zombane.

Khawufane ucinge ukuba usebenza kwiiprojekthi zerobhothi ezifuna iikoto ezikhulu kwimisebenzi efuna ngakumbi.Iinjineli zihlala zivelisa kwi-L298n ngenxa yokungabikho komgangatho wayo ophezulu.Ngaba olu khetho luhambelana neemfuno zokusebenza kweprojekthi yakho ethile?

Ukuhlaselwa kwamandla kunye noLawulo lwe-Irmal kukwabalulekile kuthathelwa ingqalelo.I-L298n, ukuba yinxalenye enkulu nengaphezulu kweqhinga, iphucule ubuchule bokungasebenzi.I-heatink yayo edityanisiweyo inceda ukulawula ubushushu bhetele ngexesha lexesha elongezelelweyo lokuzoba okuphezulu.

Ngokwahlukileyo, i-L293D, ukuswela i-heatink enikezelweyo, inokufuna izisombululo ezongeziweyo zokupholisa okanye i-sheatinks ukuthintela ukugqithisa ukuya kwimowudi enobungozi.

Cinga ngeengcali zeHobbyists ezisebenzisa bobabini abaqhubi kwiiprojekthi ezahlukeneyo.I-L298n eyakhelwe-kwi-heatink ihlala ibonelela ngesisombululo esithembekileyo nesinempumelelo kwimisebenzi egcinwe phantsi kwemithwalo ephezulu.Oku kuqonda oku kugxininisa ukubaluleka kokuqwalaselwa kobuso, ngakumbi kwiiprojekthi ezinamathuba ophuhliso.

Ngaba kukho umahluko omkhulu kwimigca yeevolthi phakathi kwaba baqhubi babini?Ewe zinjalo.

I-L293D isebenza kuluhlu lwevolthi ye-4.5v ukuya kwi-36V, eyenza ilungele izicelo eziphantsi zevolthi.

Kwelinye icala, i-L298n ixhasa uluhlu lweevolthi ezibanzi, ukusuka ku-4.8v ukuya kwi-46V, ivumela ukuba iguquguqukele ngakumbi kwaye isebenzise izicelo eziphezulu zevolthi.

KwimiGangatho eSebenzayo, oku kuthetha ukuba xa usebenza kwiqonga lemibuzo elinokufunwa ngamanqanaba ee-voltage, njengeenkqubo ze-DIY SYSEBE okanye iqonga leerobhothi ze-robotics, uluhlu lwe-voltages ye-L298n ibonelela ngenzuzo eyahlukileyo.Olu buthuzelelo lubenza lula ulawulo lwamandla kwizinto ezahlukeneyo, ukwandisa impumelelo iyonke.

Kuthekani malunga nokhuseleko?I-L293D iza ne-fly-kwi-flyen ye-flyanback, ekhusela ifowuni isuka kwi-voltage spikes eveliswe yimithwalo yokungasebenziyo.Ngokwahlukileyo, i-L298n idla ngokufuna iidyeo zangaphandle ukuze zilawule ezi spikes.

Nangona ukudibanisa ii-Deds zangaphandle kunokubonelela ngolawulo olungaphezulu koyilo kwaye kunokubakho ukuphucula ukusebenza, isongeza ubunzima bokuyilwa kwesekethe.

Ukusuka kwimbono yoyilo olusezantsi kunye nokukhululwa kwendibano, abaphuhlisi benkqubo ebekiweyo yenkqubo bahlala bethanda i-L293D kwiiprojekthi ezilula okanye iinjongo zemfundo.Ukufakwa kweendlela zokukhusela zangaphakathi kunciphisa amanyathelo eNdibano, kusenza ukhetho olufanelekileyo kwiiprojekthi zokuqala okanye izicelo apho ukulula kunye nokudityaniswa kubekwe phambili.

Ingqondo ebalulekileyo kukuba ukhetho oluphakathi kwe-L293D kunye ne-L298n kufuneka ikhokelwe ziimfuno zeprojekthi.Ngelixa i-L298n ibonelela ngomthamo ophezulu, ulawulo oluthe kratya, kunye noluhlu lweevolthi zevolumu, i-L293D kwaye izinto ezihlanganisiweyo zenza ukuba kungabikho nto ixabisekileyo kwiiprojekthi ezincinci okanye ezingaphezulu.

Nokuba kujongana nobuntsomi, amandla, okanye iingxaki ze-thermal, iimfuno ezifunekayo ezinefuthe ngokuthe ngqo ukhetho olufanelekileyo lomqhubi wemoto.

Yintoni i-L293D?

I-L293D, i-H-Bridge ye-H-Bridge i-H-Bridge i-IC iphuhliswe yi-stroolelelelelelelelelelelelelelelelelelelelelelelelelelelelecholelelelelelelelelelelelelelelelelelelelelecholelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelelecolecwaccousection, asetyenziselwa ukulawula i-DC kunye ne-DC.

Iimpawu:

-Ukusebenza kakuhle

-Ukusebenzisa amandla aphantsi

-Ukunyaniseka gwenxa

Izicelo zoziseko kwimimandla eyahlukeneyo:

-Izixhobo zasekhaya zasekhaya

-Iirobhothi

-Izithuthi ezikrelekrele

Ngeemfuno zevolo-vovogety ye-7V, i-L293D isebenza ngaphakathi kwe-voltaged yokuhambisa i-voltage ukusuka kwi-4.5V ukuya kwi-36v.Olu luhlu lubanzi luqinisekisa ukuba uziqhelaniso kwiimeko ezahlukeneyo.I-Rugvid yoyilo lokuSebenzisa kwi-AT-40 ° C ukuya kwi-150 ° C.Ukongeza, i-chip ibonisa ukuba i-2ma inomtsalane kuphela kwe-2ma kwaye inokuzisa iziphumo eziphezulu zangoku ze-600ma, ezinamathuba amabini asebenzayo.

Izinto ezizezinye zibandakanya:

- L293dd

- L293d013TR

- L293e

I-L293D ilawula njani into enjalo yokusebenzisa amandla aphantsi ngelixa ihambisa iziphumo eziphezulu zangoku?Oku kungenxa yesikhokelo sangaphakathi esisebenzayo esifanelekileyo esinciphisa ukuhanjiswa kobushushu ngexesha lokusebenza.

Kwizicelo ezisebenzayo, ukuhanjiswa kwe-L293D rhoqo kubonisa ukusebenza kwalo.Umzekelo:

-Iinjineli zihlala zisebenzisa lo mqhubi ekwakheni iirobhothi ezincinci kunye neenkqubo ezenzekelayo ezenzekelayo ezifuna ulawulo lwemoto.

- Kwindlela yokuhamba ngenqwelo-mafutha, i-L293D ilawula imisebenzi yemoto ukufezekisa ukuhamba ngethungo.

Ukusuka kwimbono yam, i-L293D imele ngenxa yokungasebenzi kwayo.Ngaphandle kokufika kwabaqhubi bezithuthi ezitsha, le chip ilungelelene ngokulula kunye nokukwazi ukuyenza iyenza ukhetho olukhethiweyo, ngakumbi ngeenjongo zemfundo kunye neeprojekthi ze-DIY.Olona cebiso lukhetho kumgaqo obanzi kwi-elektroniki: Esona zisombululo zisebenzayo azisoloko ziyinto entsha kuphela kodwa ezo zinto zithembele kwi-MLD, ukulula kunye nokusebenza.

Yintoni i-L298n?

The L298N, a motor driver chip produced by STMicroelectronics, is engineered for controlling both DC motors and stepper motors.I-chip eguquguqukayo idibanisa imisebenzi emininzi, kubandakanya nolawulo lwe-Locac, amanqanaba emveliso yamandla, imbuyekezo yobushushu, kunye nesekethe yokhuseleko.

Ngokwenza imiqondiso yolawulo eyahlukeneyo, i-L298n inokufezekisa phambili ngemoto kunye nokubuyela umva kunye nokulawulwa kwesantya se-PWM.Yeyiphi imeko ethile enokufumana njani uninzi lolawulo lokuhambahamba?Izicelo zeerobhothi, umzekelo, zihlala zifuna ukuhamba ngemoto.

Le chip inamandla okuzisa ukuya kwi-2A yemveliso yangoku, eyenza ilungele izixhobo ezahlukeneyo zokulawula iimoto.Ukusebenza ngaphakathi kuluhlu lwe-voltageld ye-2.5V ukuya kwi-48V, inika uluhlu olubalulekileyo lokuguquguquka ukuze kuhlangatyezwane neemfuno ezahlukeneyo zemoto.Ngaba zikho ezinye iitshipsi?Ewe, ukutshintshwa kwe-L298n kubandakanya:

- L298p

- L293dd

- L6206n

- L6207QTR

- L6225n

- L627DTR

Kutheni le nto umntu kufuneka aziqonde izicelo ezisebenzayo ze-L298n?Kwirobhothi, ukulawula isantya kunye nolwalathiso lweeMotor ngokuchanekileyo kubalulekile kwimisebenzi efuna intshukumo echanekileyo.Umzekelo, ukuhambahamba kwiindawo ezintsonkothileyo kuyabonakala ngolawulo lweemoto ezichanekileyo.Kwimfundo yesiqu, i-L298n isetyenziswa rhoqo ngenxa yokuba uyilo lweqhina olunamandla kunye nokunyamezelana kweempazamo ezincinci kubonelela ngeqonga lokufunda lezandla kubafundi.

Elinye inkalo yoyilo lwe-L298 yi-Deds yayo eyakhiwe-kwi-Dedon, ethabathela kwi-voltage spikes iveliswa yimithwalo yokungafundiswanga.Le nqaku likhuselayo linceda ukukhusela ukonakaliswa kwi-chip kunye ne-chicont ye-microcontroller.Ke ngoko, iinjineli ezinamava zihlala zithanda i-L298n yeeprojekthi ezifuna ulawulo lwemoto oluthembekileyo kunye nokukhuselwa kwezithuthi ezibalulekileyo.

Ukusuka kwimbono yam, i-L298n imele kuphela kwimiboniso yayo yobugcisa kodwa nakwizicelo zayo ezisebenzayo.Amandla ayo okulawula iintlobo ezahlukeneyo zeemoto kunye neendlela zokukhusela ezomeleleyo zenza ukuba zikhethe iiprojekthi ezibalaseleyo kwiiprojekthi zemfundo ezizezinye apho kulawulwa kwemoto khona.

Yintoni i-H-Bridge?

I-H-Bridge yisekethe ye-elektroniki ukuba itshintshe i-polared yevoldage esetyenziselwa umthwalo.Esi siphaluka sihlala sisebenza kwirobhothi kunye nezinye iinkalo ezahlukeneyo ukwenza ukuba ii-curiotors ze-DC ziqhutywa ngaphambili okanye ngasemva.Kodwa kwenzeka njani ukuba i-H-bridge ifikelela njani le nto?Ngokutshintsha i-polared yamandla abonelelwe kwi-DC moto, umntu unokutshintsha indlela yokujikeleza kwayo.Olu hlengahlengiso alupheleli kuguquko lwendlela;Inokuqhubela phambili ukrokra kunye neendlela zokukhululeka.

Xa usenza imowudi yokuqhubela, ibhulorho ye-H-Bridge ivumela ukuba imoto iyeke ngokukhawuleza.Ikwenza oku ngokujikeleza ngempumelelo i-terminals yemoto, yenza ukuba amandla e-kinetic ahlukane nobumbano ngoku.Le ndlela inika inkohliso ekhawulezileyo.Kwelinye icala, kwimodi yokuqhushumba, ngokuthe chu ngokuthe ngcembe kuza kumthi ngenxa ye-Interia yayo.

Okubangela umdla kukuba, iziphaluka zomntu nge-H-Bridge ityhila izicelo ezisebenzayo.Kwiimeko ezifuna ulawulo oluchanekileyo kwisithuthi kunye nesikhundla, iibhulorho zihlala zidityaniswe neendlela zengxelo, ezinjengee-encovers.Indibaniselwano iqinisekisa uhlengahlengiso oluchanekileyo, ephucula kakhulu ukusebenza kweenkqubo ezifana nengalo zerobhothi kunye nezithuthi ezizenzekelayo.

Ukuqhubela phambili kwi-H-Bridge uyilo kukhokelele kwinxalenye efanelekileyo nenamandla.Iisekethe ezihlanganisiweyo ze-H-Bridge ngoku ziquka ukhuselo olwakhelwe ngaphakathi njengokungaphezulu, ukuthintelwa okufutshane, kunye ne-thermal ekhusela.Ezi zinto zazilawulwa ngamacandelo angaphandle kuYilo lwangaphambili.Ukudityaniswa kwezi mpawu kungekuphela nje kukhuseleko olukhuselekileyo kodwa kukwenza lula ukufakelwa ngokubanzi.Oku kwenziwa lula kwenza i-H-Bridges ifikeleleke ngakumbi kwii-hobbyists kunye nabafundi ngokufanayo.

Kwisishwankathelo, ubumbeko lwe-H-Bridge uhlala luyinto esebenzayo nebaluleke kakhulu kulawulo lwemoto.Inika uluhlu olubanzi lwezinto ezisebenzayo:

-Tshintsha indlela yokujikeleza kwemoto

-Khuthaza ukuqhekeza ngokukhawuleza

-Ukuvumela ukuphuma kwe-inia

Ukuphuculwa okuqhubekayo kunye nokulungelelaniswa okusebenzayo kwe-H-Bridges kubonisa ukubaluleka kwabo kwiinkqubo ze-elektroniki nezokurobho.

Umzobo wokuqunjelwa kwePineut ye-L293D kunye ne-L298n

Umzobo wePineut ye-L293D

I-L293D yi-quadrppeple ephezulu ye-quad-h.Inokubonelela ngemisinga ye-bidirectial ye-bidirectisal ukuya kuthi ga kwi-600 man kwi-voltages ukusuka kwi-4.5 v ukuya kwi-36 v ukuya kwi-36 v.Kodwa kutheni iinjineli zihlala zisenza i-L293D kwezi zicelo?Isizathu sesinye kukukwazi ukuphatha iimotors ezininzi kunye nokulula kokudityaniswa kweenkqubo ezahlukeneyo.

Apha ngezantsi kukho umzobo wePineut ye-L293D:

-IPIN 1 (Yenza i-1,2): Yenza imiqondiso yegalelo lezikhonkwane 2 ne-7.

-I-PIN 2, 7 (igalelo 1, igalelo 2): Lawula iziphumo ezixhunyiwe kwizikhonkwane 3 kunye ne-6.

-I-PIN 3, 6 (Iziphumo 1, Iziphumo 2): Idityaniswe kwi-terminalikhi yemoto.

-IPIN 4, 5 (umhlaba woku-1, umhlaba 2): Okuqhotyoshelwe kumhlaba wokuhambisa amandla.

-IPIN 8 (VCC2): inika amandla kwiimotor.

-IPIN 9 (Yenza i-3,4): Yenza imiqondiso yegalelo lezikhonkwane 10 ne-15.

-I-PIN 10, 15 (Igalelo 3, Igalelo 4): Qhuba iziphumo ezinxulumene nezikhonkwane ezixhunyiwe kwizikhonkwane 11 kunye ne-14.

-I-PIN 11, 14 (Iziphumo 3, Iziphumo 4): Iqhagamshelwe kwi-terminals yemoto.

-IPIN 12, 13 (Umhlaba 3, Umhlaba 4): Okuqhotyoshelwe kumhlaba wokuhambisa amandla.

-IPIN ye-16 (VCC1): Inika i-voltage ye-Logic.

Ngentsusa, yenza ukuba izikhonkwane zibalulekile ekuziseni imiqondiso echanekileyo yomqhubi wemoto.Umzekelo, kunokubakho ukongezwa kwabaqeqeshi bangaphandle okanye iifilitha zenze ukuba izikhonkwane ziphucule uzinzo kwimveliso kunye nokunciphisa ingxolo?Ewe, ezo zinto zinokuphucula kakhulu ukuthembeka kweenkqubo zolawulo lweemoto.

Umzobo wePineut foy L298n

I-L298n ngumqhubi wenqwelo-moya emibini egqwesileyo ekulawuleni umkhombandlela kunye nesantya samaziko amabini eDC.Ixhasa ukuya kuthi ga kwi-2 ye-of eqhubekayo ngoku ngaphaya kwesitishi sevolthi ye-v ukuya kwi-35 v ukuya kwi-35 v.

Apha ngezantsi kukho umzobo wePineut ye-L298n:

-IPIN 1 (Yenza i-A): Yenza igalelo kwisitishi A.

-IPIN 2 (igalelo 1): Ilawula ibhulorho yokuqala yesitayile.

-IPIN 3 (Iziphumo 1): Iziphumo zokuqala kwisitishi A.

-I-PIN 4, 5 (umhlaba): Idityaniswe kumhlaba wokuhambisa amandla.

-IPIN 6 (Iziphumo 2): Iziphumo zesibini kwisitishi A.

-IPIN 7 (Igalelo 2): Ilawula ibhulorho yesibini yesibini yesitayile A.

-I-PIN 8 (i-VSS): ibonelela nge-voltage yengcinga.

-IPIN 9 (Yenza i-B): Yenza igalelo kwijelo B.

-IPIN 10 (Igalelo 3): Ilawula ibhulorho yokuqala yejelo B.

-IPIN 11 (Iziphumo 3): Iziphumo zokuqala kwiSiteshi B.

-IPIN 12, 13 (umhlaba): Inxibelelene nendawo yokuhambisa amandla.

-IPIN 14 (Iziphumo 4): Iziphumo okwesibini kwisitishi B.

-IPIN 15 (Igalelo 4): Ilawula ibhulorho yesibini yesibini yejelo B.

-IPIN 16 (i-VSS): ibonelela nge-voltage yemoto.

Okubangela umdla kukuba, ngaba ukuphunyezwa kweendlela zokulahla ubushushu njengezitshisi zeshushu zidlala indima kwintsebenzo ye-L298n xa isebenza kwimijelo ephezulu?Ngokuqinisekileyo, ukulawula ukusebenza kakuhle kwe-thermal kuhlala kuyinto enokuthintela ukusebenza kunye nobomi bomqhubi.Ukusebenzisa i-Optocouplers kungakwazi ukwahlula-hlula imiqondiso evela kumandla emoto, ngaloo ndlela kuphucule ukhuseleko kunye nokuthembeka kwenkqubo ngokubanzi.

Okokugqibela, ukuqonda okupheleleyo kunye nokuphunyezwa okufanelekileyo kwezi damagrafiki zibalulekileyo kubalulekile kwi-L293D kunye ne-L29n yeenqwelo moya ukuba isebenze ngempumelelo.Nokuba ngaba kwi-robotics okanye i-automation automation yemveliso, ezi macandelo zisebenza njenge-backbone yeenkqubo ezininzi.Ngenxa yoko, ulwazi olunzulu malunga nokuseno lwabo luyingenelo kakhulu kuye nabani na obandakanyekayo kuyilo kunye nophuhliso kule mimandla.

Inkcazo ye-L293D kunye ne-L298n

I-L293D kunye ne-L298n ziimodyuli ezimbini eziqhelekileyo zokuqhuba, ngakumbi kwiiprojekthi zerobhothi kunye neeprojekthi ze-elektroniki.Ezi vidiyo zikhethekileyo ekulawuleni iimoto, ukubonelela ngombane ofanelekileyo phakathi kwe-microcontntroller kunye neemotor.Le nkqubela ihlala ibalulekile kuba i-microcontrrolletroller iqhele ayinakukwazi ukubonelela ngokwaneleyo okwangoku.

Yintoni eyenza i-L293d into ekhethiweyo?I-L293D yi-quadrppeple ephezulu ye-quad-h.Iyakwazi ukuqhuba i-bidirectial yangoku ukuya kuthi ga kwi-600MA ngejelo ngalinye, kunye ne-peak iziphumo zangoku ze-1.2A ngejelo le-pictoring.Ukusebenza kuluhlu lwevolthi ye-4.5V ukuya kwi-36V, i-L293D imele ukubandakanya i-clos ye-Dlop yangaphakathi, enceda ukukhusela isekethe kwi-EMF ebucala eveliswe ziimotor.Umbuzo uphakama: Kutheni le nto inkcitho yangaphakathi iluncedo?Ezi daods zinegalelo ekuthembaneni kwefowuni kwiiprojekthi zerobhothi ezincinci.

Kwizicelo ezisebenzayo, i-L293D idla ngokukhethwa kwezithuthi ezikhokelwa ezenzekelayo (i-AGVs) kunye neeprojekthi zerobhothi ezilula.Uyilo lwayo ngokuthe ngqo kunye nokukhululeka kokudityaniswa kuphucula isibheno sayo phakathi kweenjineli kunye neenjineli.Umzekelo, kukhuphiswano lweerobhothi zeyunivesithi, amaqela anokukhetha i-L293D kwiirobhothi ze-combot zabo eziphathwayo ngenxa yokungasebenzi kakuhle kwendlela yokusebenza kunye nokulula.Ngaba kufanelekile ukuba kulungele ukhuphiswano olunjalo?Ewe, ibhalansi yayo yokukhululeka kunye nokusebenza kwayo kuyanyanzeleka.

Kwelinye icala, kutheni umntu ecinga i-L298n?I-L298n ngumqhubi we-H-Bridge Ridge onokwazi ukuqhuba ngoku 2A kwisitishi ngasinye, kunye ne-piak ye-3a.I-voltage yayo esebenzayo isusela kwi-4.5v ukuya kwi-46v, isenza kufanelekile ukuba kusetyenziswe uluhlu lwezicelo ezibanzi, kubandakanya i-Motors ezifunwa ngamandla.Ngokungafaniyo ne-L293D, i-L298n ayinayo inkcitho yangaphakathi ye-DIODS, inyanzelisa ii-vols zangaphandle zokukhusela kwi-EMF.Ngaphandle koku, ubuhlanga buka-L298n kunye nobuchule obuphezulu bukwenza ilungele ukusetyenziswa okukhulu kunye nokusebenza kwerobhothi.

Iingcali zihlala zisebenzisa i-L298n kwiiprojekthi eziphezulu ezifana noomatshini abazenzekelayo kunye namaqonga amakhulu eerobhoti.Khawufan 'ucinge nge-sestreyments: I-L298n inokukhethwa ukuba iqhubeke kwimali yenkqubo yenkqubo yokuhambisa, inikwe amandla ayo okusombulula imithwalo ephakamileyo yangoku kunye nokusebenza ngamandla.Ngaba lolona khetho lufanelekileyo kwizicelo zemveliso?Ubugwenxa bayo bubonisa njalo.

Ukuvavanya zombini i-ICS, umntu kufuneka enze ubunzima bezorhwebo phakathi komthamo wangoku, izinto zokhuselo, kunye nokukhululeka kokudityaniswa.Kwiiprojekthi ezincinci apho ukulula kunye nokuhanjiswa okukhawulezayo kubambe ixabiso eliphezulu, i-L293D ihlala ikhethwa.Kwelinye icala, kuba iiprojekthi ezifuna amandla aphezulu kunye nokusebenza okubi ngakumbi, i-L298n yeyona nto ilunge ngakumbi.

Ekugqibeleni, isigqibo phakathi kwe-L293D kunye ne-L298n Hinges kwiimfuno ezithile zeprojekthi, ezibandakanya uhlobo lweemoto ezisetyenzisiweyo, iimfuno ezikhoyo, kunye nendawo yokusebenza.Zombini i-ICS ibonise ixabiso labo kwizicelo ezininzi ezisebenzayo, zibonelela ngezisombululo ezinolawulo oluthembekileyo nezilulo.

Iimpawu ze-L293D kunye ne-L298n

Iimpawu ze-L293d kunye nezicelo

I-IC293 ye-L293D ibonakalisa uluhlu lwamandla afanelekileyo kwizicelo ezahlukeneyo.Ifumaneka kuzo zombini iDiP kunye ne-soic iiphakheji.Kutheni le nto le nto?Ewe, okongeza ukuguquguquka kweqela leebhodi zesekethe ezahlukeneyo.Kubandakanya ukhuseleko olwenziweyo kunye nokhuseleko olugqithisileyo, ukuphucula uzinzo phantsi kweemeko ezahlukeneyo.

Iinkcazo eziphambili

-Uqhuba zombini i-DC kunye neMator Setper

-Imigaqo yokuphuma kwi-1.2a

Ngaba ezi zinto zikwenza ukuba zilungelelane neenkqubo ezininzi zolawulo?Ngokuqinisekileyo.

Ukusetyenziswa kwiiprojekthi

Kwimeko ezisebenzayo, i-L293D ihamba rhoqo kwiiprojekthi ezincinci kunye neenjongo zemfundo.Khawufane ucinge isakhiwo se-hobbynist yerobhothi elula.Abaqalayo bahlala bethanda i-L293D ukulawula intshukumo yemoto.Ngoba?Kuyimali kwaye ngokuthe ngqo kwi-wire ene-microcontrollents eqhelekileyo njenge-arduino okanye i-raspberry pi.

Iimeko ezithile

-Iemoto ezikhoyo ngoku ziyathobekile.

-Umntu okhusela-okhuselo uncede ukuthintela ukonakala ngexesha leemeko zesekethe okanye i-thermal yomthwalo.

Xa ezi meko zifezekisiwe, i-Lissepan iyonke inokwandiswa.

Iimpawu ze-L298n kunye nezicelo

I-IC ye-I-L298n IC iqulathe iisekethe ezimbini ze-H-Bridge.Oku kuthetha ntoni kubasebenzisi?Ivumela ulawulo ngaphezulu kolwalathiso lwe-DC kunye nesantya se-DC.Olu hlengahlengiso luyingenelo ngakumbi kwizicelo ze-drive-motor drive enjengeerobhothi kunye neenkqubo zemoto.

Iinkcazo eziphambili

-Ixhasa iziphumo ze-5v ze-5V

-Uhambelana noluhlu olubanzi lwee-microtrolfrs

Ngaba i-L29n isetyenziswe?Ewe yiyo.Izikhonkwane zayo zoqhagamshelo zenza lula inkqubo yokudityaniswa kunye nokuseta iiseti ezahlukeneyo ze-elektroniki.Inokulungelelanisa isantya semoto sisebenzisa i-pulse yomoda wobubanzi bemodyuli (PWM) imiqondiso.

Ukusetyenziswa kwiiprojekthi

Isicelo esisebenzayo apho i-L298 i-Everls ikhulisa iqonga elincinci lerobhothi-cinga ngeenkqubo zemfundo zemfundo okanye iirobhothi zokuzila.Ilawula imijelo ephezulu kwaye inika ulawulo oluthembekileyo phantsi kwemeko efunwayo.

Iimeko ezithile

Iindawo zemithombo efuna ukulungelelaniswa kwemoto

Apha, i-L298n iba ngathi ibalulekile.

Imbono yokuthelekisa

Ukusuka kwimbono ebanzi, ukhetha phakathi kwe-L293D kunye ne-L298n ihlala ixhomekeke kwiimfuno ezithile zesicelo.Izinto ezifana nokufumana amandla akhoyo, ubukhulu bemiqobo, kwaye ulawulo oluntsonkothileyo ludlala indima ebalulekileyo ekwenzeni izigqibo.

Iikhrayitheriya zokukhetha

-Ukulawula ngokuqinileyo kunye neziphumo eziphakamileyo zangoku: l298n

- Iimeko zemfundo kunye nezicelo ezifunwayo ezifunwayo: L293D

Ngamava am, ezi nkqubo zihlala zimisela olona khetho lufanelekileyo.

Zombini i-L293D kunye ne-L298n zibalulekile kwizixhobo zokuba nabani na obandakanyekayo kwi-elektroniki kunye neerobhothi, kubaqalayo kubasebenzisi abaphambili.Banomdla, bathembekile, kwaye banobuhlobo, bebenza babaluleke kwiiprojekthi ezahlukeneyo kunye nemisebenzi yemfundo yemfundo.

Umahluko phakathi kwe-L293D kunye ne-L298n

Ukupakisha

I-L293D yamkela iphakheji encinci ye-intanethiEsi simo sengqondo sokucamagushelwa singqina ukubangabangelwa kukungabinamali kwiiprojekthi apho ukusebenza kakuhle kwendawo) yimalini.Ngenye indlela, i-L298n iyaqhayisa ngephakheji ye-Pine-Line, inyanzelisa ukufaneleka kwayo kwizicelo ezinamandla ezinyanzela ukuba zidityaniswe ngokwasemzimbeni.

Kutheni le nto sibona umahluko onjalo wokupakisha phakathi kwaba baqhubi?

Impendulo ilele kwisicelo sabo sesicelo kunye nokuphathwa kwamandla okufunekayo.

Okwangoku kunye nevolthi

I-L293D ihambisa i-piak yangoku i-600MA nge-H-Bridge nganye, ifikelela kwi-1.2A yeendlela ezimfutshane.Ngokwahlukileyo, i-L298n ibonelela nge-H-i-H-i-H-i-H-i-H-i-H-vange nganye yomeleleyo ye-2A, isebenza ngaphakathi kuluhlu olubanzi lweevolthi ze-2.5V ukuya kwi-48v.Olu gama lomkhondo linethambe izidali zesicelo: Amanyathelo emfundo asikhaphukhaphu ngokuchasene neemoto ezineemoto.

Ngaba ifuthe njani ukhetho lwangoku lweprojekthi?

Eyona nto iphambili, amandla aphezulu aguqulela ukuya kwi-Scarpite enkulu yokuSebenzisa imithwalo enzima.

Uhlobo lwe-chip

I-L293D ilungelelaniswe ngokwemvelo yezicelo ze-motorper, igxininisa ukuchaneka kolawulo.Okwangoku, i-L298n, njengomqhubi we-H-Bridge, ibonise ubuchule bokulawula zombini ii-Motors zeDC kunye nabaphathi phantsi kweemeko eziphezulu.I-Electronics ye-DIY Elektroniki zihlala zitsiba kwi-L293D yeMisebenzi yoLawulo ePhezulu, ngelixa i-L298n yokuhambahamba uqhubeka ifumana izicelo ezinzima ngakumbi.

Ukufudumeza iimfuno

Ngaphantsi kweemeko ezinamandla zomthwalo, i-L293D isenokunyanzelisa uncedo olupholileyo lokupholisa ngenxa yokuqokelelwa kobushushu.Kwelinye icala, i-L298n ifuna kakhulu izisombululo zokupholisa ezibanzi, ezinje ngobushushu okanye abalandeli abapholileyo, ukulwa ulwakhiwo lwe-thermal.Umzekelo, ukusebenza okuqhubekayo kweemotors ezinamandla aphezulu kwi-L298n ixhasa iingcali zokuphumeza iindlela zolawulo lwe-thermol ye-thermol yokuthintela ukugqithisa.

Ngaba ulawulo olukhoyolisayo olusebenzayo olufanelekileyo kuyilo lwe-elektroniki?

Imilinganiselo yokupholisa esebenzayo ibalulekile ekugcineni ingqibelelo kunye nokuhlala ixesha elide.

Isinxibelelanisi sokukhangela

I-L293D isebenzisa ulawulo lwenqanaba le-Locac ukuze ilawulwe kunye nenqanaba, ngelixa i-L298n yandisa oku ngokubandakanya imiqondiso ye-num ye-nuenced.Olu lawulo lweNgeniso olunikelwe yi-L298n lungqina ukuba nezixhobo ezifuna uhlengahlengiso ngesantya sekhaculo.

Ubukho be-Optocoupler

Ukungabikho kwe-Optocoupler kwi-L293d iphakamisa ubume bayo bokuzibandakanya kwi-microcontroller iphazamisa.Kwelinye icala, i-L298n ye-Optocoupler ye-Optocopeler ye-Optocopeler ye-Optorser yokuphucula uzinzo lwenkqubo, into ethatha isigqibo kwizicelo ezifakwe kwingxolo ye-elektroniki okanye ifuna ukuthembeka kwesibonakaliso.

Ukufakwa kwe-Optocoupler lulukhetho loyilo olululo lweemeko ezibuthathaka kwingxolo.

Ukusebenza

Zombini i-L293D kunye ne-L298n zingabaqhubi beebhulorho ezimbini ezinamandla okulawula iimoto ezimbini ze-DC okanye kwi-motorteeper enye.Nangona kunjalo, i-L298n inokujongana neemfuno eziphakamileyo zangoku, ezikhokelayo iinjineli zokukhetha i-L293D yemisebenzi esezantsi yangoku kwaye itshintshe kwi-L298n yezicelo eziphezulu zangoku.

Imeko yesicelo

I-L293D ifumana i-niche kwizicelo zawo amandla, ezinjengeeprojekthi zemfundo okanye iirobhothi ezihamba.Kwelinye icala, i-L298n i-APT yemeko efunwayo, kubandakanya iirobhothi zerobhothi kunye neemoto ezineemoto.Ngeendlela ezisebenzayo, kuyacaca ukuba ukhetho lwabaqhubi luchaphazela kakhulu ukusebenza kweprojekthi kunye nokuthembeka.

Ngokudibeneyo, i-L293D kunye ne-L29N yenkxaso ngaphambili kunye nokubuyela umva kulawulo lwe-DC Motors, kunye nommiselo wesantya se-PWM.Ukusetyenziswa kwabo okutshintshayo kwizicelo ezahlukeneyo kuxabisa kakhulu, ngakumbi ngexesha lokuchwetheza kunye nophuhliso lwe-ITeetional apho bhetyebhetye kwaye ukusebenza okuthembekileyo kuyadikiswa emva.

Imibuzo ebuzwa rhoqo [i-FAQ]

1. Yintoni i-L293D?

Ngaba ukhe uzibuze ukuba yintoni egcina i-motors encinci ye-DC iqhuba kakuhle kuzo zombini iindlela?Ngenisa i-L293D-i-IC ye-IC.Ingalawula iimoto ezimbini ngaxeshanye, zilawula ukuya kwi-600MA ye-bidirectional drivey yangoku kwaye isebenza ngaphakathi kwe-voltage ukusuka kwi-4.5V ukuya kwi-36V.Ngaba ayihambi?

2. Yintoni umsebenzi womqhubi we-L293d?

I-L293D ayikho nje malunga neMotors ezikhoyo kwiindawo ezahlukeneyo.Lo mqhubi i-IC ixhaswa ukuba i-600MA ye-bidirectional drive yangoku ngaphakathi kwi-4.5v kuluhlu lwevolthi ye-36V.Ubuchule bayo bokuqhuba imithwalo yokungahambi kakuhle njengeemboniselo, ii-solenoids, i-DC Motors, kunye ne-Bipolar iphawuleka iphawuleka.Iinjineli ziyalixabisa ukusetyenziswa kwamandla aphantsi kunye ne-computer yonyawo, ngakumbi kwiiprojekthi zokuzonwabisa okanye izicelo apho ukusebenza kakuhle kuyinto ephambili.Ngaba ayikho inomdla kangakanani izinto ezincinci ezinokwenza ifuthe elikhulu?

3. Usetyenziswa ngamandla amandla e-L298?

I-L29n ye-L298n kwi-L29n ye-L298n D-Bridge motor chip.Iqhayisa ngoluhlu lwevolthi ye-5V ukuya kwi-35v, ebambe amandla okuqhuba iimoto ukuya kuthi ga kwi-2a yangoku ngangoku ngangoku ngasinye.Obo buchule bukwenza ukuba uye kwi-robotics kunye neeprojekthi ezenzekelayo zenkqubo ezigunyazisiweyo ezigunyazisiweyo zangoku kunye nevolthi.Okubangela umdla kukuba, ubungayi kuthini iingcebiso zayo eziqinileyo kwindawo yayo enkulu yamandla?

4. Mangaphi oono-monts Ulawulo lwe-L298n?

Ngokwembono yomsebenzisi, imodyuli ye-L298n iguquguqukayo.Ingalawula ukuya kwi-4 ye-DC okanye ilawule i-2 ye-DCLe ndlela yokuqalisa kuthetha ukuba ifumana ikhaya kucwangciso oluntsonkothileyo lolawulo lweemoto, libonisa ukungafikeleli kwiirobhothi zemfundo kunye neeprojekthi zeDiy.Uzakhela ntoni ngesixhobo esiguqulelweyo?

5. Nguwuphi umahluko phakathi kwe-L293D kunye ne-L298n?

Xa uthelekisa i-L293D kunye ne-L29n Compt Commict Compt yeZithuthi, kubalulekile ukususa i-voltage yabo kunye nobuchule obukhoyo.I-L293D isebenza kuluhlu lwevolthi ye-4.5v ukuya kwi-36V kwaye ingakwazi ukulawula ukuya kwi-600ma yangoku ngangoku ngasinye.Oku kwenza ukuba kube lula ukuba i-DC encinci ye-DC ye-DC.Kwelinye icala, i-L298n igqwesa ngoluhlu lokusebenza ukuya kuthi ga kwi-46V kunye nenqanaba lokuphatha ukuya kwi-2A ye-2A nganye nganye, ilungele i-mornarios enkulu okanye i-furnarios enkulu okanye imfuno enkulu.Ke, ngelixa ukhetha phakathi kwezi zimbini, iba yimfuneko ekuvavanyeni i-voltage kunye neemfuno zangoku zesicelo sakho esithile sokuqinisekisa ukusebenza kunye nokuthembeka.Ngaba ukhe wajamelana nemeko yokwenza izigqibo?