Ama-chip inductors, aziwa nangokuthi ama-inductors amandla, angenye yezingxenye ezisetshenziswa kakhulu emikhiqizweni ye-elekthronikhi, equkethe i-miniaturization, ikhwalithi ephezulu, isitoreji samandla aphezulu kanye nokumelana okuphansi.Ivamise ukuthengwa ezimbonini ze-PCBA.Lapho ukhetha i-chip inductor, imingcele yokusebenza (njenge-inductance, isilinganiso samanje, isici sekhwalithi, njll.) kanye nesici sefomu kufanele kucatshangelwe.
I. Amapharamitha wokusebenza kwe-chip inductor
1. I-inductance yezici ezibushelelezi: i-inductor ngenxa yezinguquko zezinga lokushisa kwemvelo ngu-1 ℃ okwakhiwa ukungeniswa kokubuyekezwa kwe-△ L / △ t kanye nenani langempela le-inductance L uma kuqhathaniswa nenani lesistimu ye-inductor ye-a1, a1 = △ L / L△ t.Ngaphezu kwe-coefficient yokushisa ye-inductor ukuze unqume ukuzinza kwayo, kodwa futhi qiniseka ukuthi unake i-inductance yokudlidliza kwemishini nokuguga okubangelwa ushintsho.
2. Ukumelana namandla kagesi kanye nokusebenza kokuvimbela umswakama: Kumadivayisi angenisayo amelana namandla kagesi adinga ukukhetha ukusebenzisa impahla yephakeji ukuze amelane nobunzima bamandla kagesi aphezulu, imvamisa amadivaysi e-inductive afaneleka kakhulu, ukusebenza kokuvimbela umswakama nakho kuba ngcono. .
3. I-inductance kanye nokuchezuka okuvunyelwe: i-inductance ibhekisela kudatha encane ye-inductance etholwe imvamisa edingwa izinga lobuchwepheshe bomkhiqizo.Iyunithi ye-inductance nguHenry, millihen, microhen, nanohen, ukuchezuka kuhlukaniswe: F level (± 1%);Ileveli ye-G (± 2%);Izinga H (± 3%);Izinga lika-J (± 5%);K izinga (± 10%);Izinga L (± 15%);Izinga le-M (± 20%);Izinga le-P (± 25%);Ileveli engu-N (± 30%);esetshenziswa kakhulu izinga J, K, M.
4. Imvamisa yokutholwa: ukutholwa okunembile kwenani lamavelu e-inductor L, Q, DCR, kufanele kuqala kwengeze ukushintshashintsha kwamanje ku-inductor ehlolwayo ngokuvumelana nezinhlinzeko, ukusondela imvamisa yamanje kumvamisa yangempela yokusebenza yale inductor. , ekahle kakhulu.Uma iyunithi yenani le-inductor incane njengeleveli ye-nahum, imvamisa yezinto zokusebenza okufanele zikalwe zidinga ukuhlolwa ukuze zifinyelele ku-3G.
5. Ukumelana ne-DC: Ngaphezu kwemishini ye-inductor yamandla ayivivinyi ukumelana ne-DC, ezinye izinto zokusebenza ze-inductor ngokwesidingo sokucacisa ukumelana okuphezulu kwe-DC, ngokuvamile okuncane kakhulu okufiseleka kakhulu.
6. Ukusebenza okuhle kwamandla: ngokuvamile kuthatha izikhathi ezingu-1.25 kuya kwezingu-1.5 kunamanje olinganiselwe we-inductor njengomthamo wamanje osebenzayo, ngokuvamile kufanele wehliswe ngo-50% ukuze usetshenziswe ukuze uphephe futhi uthembeke.
II.Isici sefomu le-chip inductor
Khetha ama-inductors wezinhlelo zokusebenza zamandla aphathekayo, amaphuzu amathathu abaluleke kakhulu okufanele uwacabangele yilawa: usayizi wesayizi, usayizi wesayizi, owesithathu noma usayizi kasayizi.
Indawo yebhodi lesifunda yomakhalekhukhwini iqinile futhi iyigugu, ikakhulukazi njengoba izici ezihlukahlukene ezifana nezidlali ze-MP3, i-TV nevidiyo yengezwa ocingweni.Ukusebenza okukhuphukile kuzophinde kwenyuse ukusetshenziswa kwamanje kwebhethri.Ngenxa yalokho, amamojula abekade enikwe amandla izilawuli zelayini noma axhunywe ngqo kubhethri adinga izixazululo ezisebenza kahle kakhulu.Isinyathelo sokuqala esibheke kwisixazululo esisebenza kahle kakhulu ukusebenzisa isiguquli semali kazibuthe.Njengoba igama lisho, i-inductor iyadingeka kuleli phuzu.
Ukucaciswa okuyinhloko kwe-inductor, ngaphandle kosayizi, inani le-inductance ekushintsheni imvamisa, i-DC impedance (DCR) yekhoyili, i-saturation yamanje elinganiselwe, i-rms yamanje elinganiselwe, i-AC impedance (ESR), ne-Q-factor.Kuye ngesicelo, ukukhethwa kohlobo lwe-inductor - oluvikelwe noma olungavikelekile - lubalulekile.
Ama-chip inductors abukeka afana kakhulu ngokubukeka, futhi akunakwenzeka ukubona ikhwalithi.Eqinisweni, ungakwazi ukukala i-inductance yama-chip inductors nge-multimeter, futhi ukufakwa okuvamile kwama-chip inductors asezingeni eliphansi ngeke kuhlangabezane nezidingo, futhi iphutha lizoba likhulu.
Isikhathi sokuthumela: Dec-10-2021