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Emkhakheni wezinhlelo ze-elekthronikhi ezithuthukisiwe nezimboni, i-MTSC7204 iqhamuke njengengxenye ebalulekile yokuzuza ukusebenza kahle okuphezulu, ukwethembeka, nokunemba. Ifakwe ezinhlelweni zokuphatha amandla, amayunithi okucubungula amasignali, nezinhlaka ezizenzakalelayo, i-MTSC7204 ithinta kakhulu ukusebenza okuphelele kwamasistimu ewanikeza amandla. Ukusebenza okuphezulu kudinga ukuqonda okujulile kwesimiso sayo sokusebenza kanye namasu okuthuthukisa amasu.
Ngaphambi kokungena ekuthuthukiseni, kubalulekile ukuqonda i-MTSC7204, ubuchwepheshe bayo, kanye nezicelo zayo. I-MTSC7204 iyidivayisi ye-semiconductor esebenza kahle kakhulu, evame ukuhlukaniswa njenge-IC yesilawuli se-transistor esisebenza ngezindlela eziningi. Ihlanganisa izici ezithuthukisiwe zokuphatha amandla namandla okuqapha ngesikhathi sangempela, ikwenze kube semqoka ezinhlelweni ezifana:
Emgogodleni wayo, i-MTSC7204 ihlanganisa ubuchwepheshe be-MOSFET (i-Metal-Oxide-Semiconductor Field-Effect Transistor) nge-logic yokulawula eshumekiwe, evumela ukulawulwa okunembile kwe-voltage, yamanje, kanye ne-thermal thresholds. Ikhono layo lokulungisa amapharamitha ngokuguquguqukayo ekuphenduleni ukuhlukahluka kokulayisha liyihlukanisa nezingxenye ezivamile.
Ukwandisa i-MTSC7204, umuntu kufanele aqonde ukwakheka kwayo kokusebenza. Nakhu ukuhlukaniswa kwezakhi zayo zokusebenza ezibalulekile:
I-MTSC7204 isebenza ngezindlela ezimbili eziyinhloko:
Uma idivayisi ithola ukuchezuka kumapharamitha asethiwe (isb, ukushisa ngokweqile noma i-overcurrent), icupha izinyathelo zokuvikela njengokudiliva amandla noma ukuqalisa izivumelwano zokuvala shaqa. Lokhu kuziphatha kokuzilawula kubalulekile ekuvimbeleni ukwehluleka ezindaweni eziphakeme kakhulu.
Ukuqonda lezi zakhi kuyisisekelo sokuthuthukisa okuhlosiwe.
Ngenkathi i-MTSC7204 yakhelwe ukuqina, izimo zomhlaba wangempela zivame ukudlula imikhawulo yayo. Izinto ezifana nezinga lokushisa le-ambient, ukuhlukahluka komthwalo, kanye nokuphazamiseka kazibuthe kagesi (EMI) kungehlisa ukusebenza kahle. Ukuthuthukisa kuyaqinisekisa:
Manje, ake sihlole amasu angasebenziseka ukuze sifinyelele lezi zinhloso.
Ukushisa kuyisitha sokusebenza kwe-semiconductor. Ama-spikes amancane okushisa angabangela ukunyakazisa okushisayo noma umonakalo ongalungiseki. Nansi indlela yokugcina i-MTSC7204 ipholile:
Sebenzisa izinzwa ze-MTSC7204s ezakhelwe ngaphakathi ukuze usebenzise amasu okupholisa ashukumisayo. Isibonelo, isilawuli sefeni esihlakaniphile singanyusa ukugeleza komoya kuphela uma amazinga okushisa edlula ama-threshold, enciphisa ukusetshenziswa kwamandla.
Ucwaningo lwesigameko: Umkhiqizi we-solar inverter uthuthukise ukwethembeka kwe-MTSC7204 ngo-40% ngokuhlela kabusha i-heatsink geometry nokuhlanganisa uhlelo lokupholisa oluvaliwe.
Ukusebenza kahle kwe-MTSC7204s kuncike ekulungiseni ugesi okunembile. Gxila kulezi zindawo:
Linganisa izinzwa zamanje zedivayisi njalo ukuze uvimbele izibangeli ze-overcurrent ezingamanga. Sebenzisa izinzwa ze-Hall-effect ezihlukanisiwe ukuze uthole ukunemba okuphezulu.
Gcina i-voltage yokufaka phakathi kwebanga elicacisiwe le-MTSC7204s (isb, 12V48V). Sebenzisa iziguquli ze-DC-DC noma izilawuli zemali ukuze uzinzise imithombo eshintshashintshayo.
Ithiphu ye-Pro: Sebenzisa i-snubber circuit (inethiwekhi ye-RC) kuwo wonke ama-MOSFET ukuze ucindezele ama-voltage spikes okubangelwa imithwalo ye-inductive.
I-PCB eklanywe kabi ingaphikisa ukusebenza kahle kwemvelo kwe-MTSC7204s. Landela le mihlahlandlela:
Nciphisa ubude bokulandelela phakathi kwe-MTSC7204 nezingxenye ezisekelayo (isb, ama-capacitor) ukuze unciphise i-parasitic inductance.
Sebenzisa indiza yaphansi eqinile ukuze wehlise i-impedance futhi uthuthukise ukuchithwa kokushisa. Hlukanisa izindiza eziphansi kuphela uma kunesidingo ukuze ugweme ukuhlangana komsindo.
Misa izingxenye zefrikhwensi ephezulu kude ne-MTSC7204 ukuze unciphise i-EMI. Vikela amasekhethi e-analog azwelayo ngokuthululwa kwethusi elisekelwe phansi.
Beka ama-ceramic capacitor e-ESR (Equivalent Series Resistance) eduze nezikhonkwane zamandla ukuze uhlunge umsindo we-high-frequency.
Isibonelo: Inkampani yamarobhothi yehlise izinga lokuhluleka kwe-MTSC7204 ngo-60% ngemva kokuqondisa kabusha i-PCB yayo ukuze ibeke phambili izindlela eziphansi ze-inductance.
Umongo wedijithali we-MTSC7204s unikeza amandla amakhulu okulungiswa kokusebenza ngesoftware:
Lungisa ama-coefficient e-PID ngesikhathi sangempela ngokusekelwe ezimeni zokulayisha. Ama-algorithms wokufunda komshini angabikezela izilungiselelo ezilungile zezimo ezihlukahlukene.
Yenza imikhawulo ye-OCP ihambisane nezidingo ezithile zohlelo lokusebenza. Isibonelo, isilawuli semoto singase sidinge ukubekezelelana okuphezulu ekuhlinzeni okufushane kwamanje.
Hlaziya amathrendi edatha yenzwa ukuze ubikezele ukuwohloka kwengxenye kanye nokugcinwa kweshejuli ngaphambi kokuthi kwenzeke ukwehluleka.
I-Innovation Spotlight: Izinkampani ezifana ne-Siemens ne-Texas Instruments seziqalile ukuhlanganisa i-firmware eshayelwa yi-AI kuma-IC afanayo, okwenza izinhlelo zokuzilungiselela.
I-MTSC7204 ayisebenzi endaweni engenalutho. Izici zemvelo zidlala indima ebalulekile:
Qinisekisa ukuthi izindawo ezivalekile zinokungena komoya owanele kuyilapho uzivikela othulini nasemanzini. Izindlu ezinesilinganiso se-IP65 zilungele izindawo ezinokhahlo.
Ukucindezeleka kwemishini okuvela ekudlidlizeni kungaqhekeka amalunga e-solder. Sebenzisa ama-coatings ahlelekile kanye nezikhwebu ezibamba ukushaqeka.
Ezilungiselelweni ezinomswakama ophezulu, ukuminyanisa kungase kubangele amasekhethi amafushane. Amaphakethe we-Desiccant noma ukubekwa uphawu kwe-hermetic kunganciphisa le ngozi.
Inselele: Isiteshi sokushaja se-EV sihlangabezane nokwehluleka njalo kwe-MTSC7204 ngenxa yokushisa ngokweqile kanye nokunyuka kwamandla kagesi.
Isixazululo:
1. Ithuthukiswe ku-heatsink yethusi enendawo enkulu engama-50%.
2. Kwengezwe ubuhlalu be-ferrite ukucindezela i-EMI emigqeni ye-AC eseduze.
3. Ibuyisele kabusha i-algorithm ye-PID ukuze kwehliswe imvamisa yokushintsha ngaphansi komthwalo okhanyayo.
Umphumela: Ukusebenza kahle kwesistimu kuthuthuke kusuka ku-89% kuya ku-94%, futhi isikhathi sokuphila se-MTSC7204 siphindwe kabili.
Ukunakekelwa okuvamile kuyisihluthulelo sokugcina ukusebenza okuthuthukisiwe:
Hlola izimpawu zengcindezi yokushisa (isb., ama-PCB ashintshe umbala) noma ukuxhumeka okuxekethile.
Linganisa kabusha izinga lokushisa nezinzwa zamanje njalo ezinyangeni ezingama-612.
Sebenzisa amathuluzi afana ne-thermal imaging kanye nama-oscilloscopes ukuze uhlonze izimbangela (isb., ukudlula kwamandla kagesi noma amajoyinti angasebenzi kahle e-solder).
Ikusasa le-MTSC7204 optimization lilele:
Ukuthuthukisa i-MTSC7204 akukhona nje ukulungisa amapharamitha mayelana nokuqondanisa imigomo yayo yokuklama nezidingo zezinhlelo zokusebenza zomhlaba wangempela. Ngokwazi ukuphatha okushisayo, ukulungisa ugesi, ukuklanywa kwe-PCB, i-firmware, nokuqina kwemvelo, onjiniyela bangakwazi ukuguqula i-MTSC7204 isuke engxenyeni ethembekile ibe yindawo yamandla yokusebenza kahle nokuphila isikhathi eside.
Njengoba izimboni zithuthukela kubuchwepheshe obuhlakaniphile, obuluhlaza, i-MTSC7204 izohlala ihamba phambili ekusungulweni okusha. Labo abatshala imali ekuqondeni nasekuthuthukiseni amandla ako namuhla bazovuna imivuzo yokusebenza okuphakeme kusasa.
Kusukela ngo-2019, ukuzungeza ubucwebe basungulwa eGuangzhou, China, isisekelo sokukhiqiza ubucwebe. Singubucwebecwebe obuhlanganisa ukuklama, ukukhiqizwa nokuthengisa.
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