A na-eji ihe inductance SMD na obere sekit. A na-eji ha eme ihe naanị na njedebe mmepụta nke ọkụ eletrik dị ala nke DC. Enwere ike iji ha yana ihe nzacha nzacha iji mepụta sekit nzacha nke CLC nke nwere ụdị π. . Ihe mejupụtara ihe na-emepụta ihe bụ otu eriri igwe, ụfọdụ nwere nnukwu magnetik (nnukwu inductance), a na-egosipụtakarị unit ahụ na μH na mH, uru na-ekesa ugbu a bụ milliamps ole na ole ruo ọtụtụ narị milliamps.
Kedu usoro njirimara nke SMD inductor? SMD Shielded Power Inductor Factory ịkọrọ gị.
Usoro njirimara inductor SMD, ndị inductor SMD dị n'ụdị ngwugwu okirikiri, square na akụkụ anọ, na agba na-abụkarị oji. Site na inductors nke isi ígwè (ma ọ bụ inductor okirikiri), ọ dị mfe ịmata site na ọdịdị ahụ. Agbanyeghị, ụfọdụ inductor anọ dị ka mgbawa resistors n'ihe gbasara ọdịdị. Akara akara nke inductor mgbawa na bọọdụ sekit nke onye nrụpụta inverter na-eji okwu L. Usoro ọrụ nke inductor gụnyere inductance, uru Q (ihe dị mma), nguzogide DC, akara ugbu a, ugboro ugboro nke onwe, wdg. , ma size nke mgbawa inductor na-ejedebeghị, na ọtụtụ n'ime ha bụ nanị akara na inductance, na ndị ọzọ parameters na-adịghị akara, na-emekarị Indirect labeling usoro - labeling na ahu nke mgbawa inductor bụ nanị akụkụ nke. ozi nke dum nkọwapụta na nlereanya, ya bụ, ọtụtụ n'ime ya bụ naanị inductance ozi.
1. Usoro njirimara inductor SMD:
1) Site n'ọdịdị, dị ka square ma ọ bụ okirikiri inductor nwere magnetik isi, olu dị ntakịrị ibu, na ike ndọta isi na eriri igwe nwere ike ịhụ;
2) Ụfọdụ mgbawa inductors bụ otu ihe ahụ dị ka mgbawa resistors na ọdịdị, ma ọ dịghị nọmba na leta akara, naanị obere okirikiri akara, nke pụtara inductance components;
3) A na-edekarị nọmba serial nke components na sekit na mkpụrụedemede L, dịka L1, DL1, wdg.
4) Enwere akara inductance, dị ka 100.
5) Nguzogide AC nke ezigbo inductor buru ibu, ebe nguzogide DC bụ efu. Uru nguzogide a tụrụ nke mmewere inductive pere mpe, yana uru nguzogide dị nso ohms efu. Site na nleba anya na nha (ọnọdụ na ọrụ dị na sekit), ọ nwere ike ịmata ma akụkụ ahụ ọ bụ mgbawa mgbawa ma ọ bụ mgbawa inductor, wee chọpụta akụkụ nke inductive.
6) Jiri ihe nnwale inductance pụrụ iche wepụ ihe mejupụtara ya na sekit wee tụọ inductance ya.
2. Ndochi mmejọ:
1) Akụkụ nke otu ụdị nwere ike wepu ya na bọọdụ sekit mkpofu ma dochie ya
2) Buru ụzọ chọpụta inductance na uru nke na-ekesa ugbu a, dochie ya na ihe ndị na-eduga inductance nkịtị, ma dozie ha nke ọma.
3) Ntugharị onwe onye, na-eme mgbanwe inductance, enwere ụfọdụ ihe isi ike na-arụ ọrụ
4) Ọ bụrụ na enweghi mmetụta doro anya na arụmọrụ sekit, nrụzi mberede nwere ike ịmegharị obere oge
Chip Inductor akwadoro nke ọtụtụ mmadụ chọrọ
Otu esi ahọrọ inductor dabere na mkpa gị
Mgbe ị na-ahọrọ ngwaahịa, họrọ ngwaahịa mgbe niile dabere na mkpa mpụga. Otu ihe ahụ bụ eziokwu maka Integrated molding chip inductance , ịkwesịrị ịtụle ihe ndị ahụ, wee họrọ ndị inductor mgbawa kwesịrị ekwesị, mgbawa mgbawa, na mgbawa ike inductor. Enwere ọtụtụ ihe na-emetụta mgbawa inductor. Ka anyị kwuo maka otu esi ahọrọ inductor mgbawa dị ka mkpa si dị.
1. Họrọ inductor dị ka mkpa
Mgbe ị na-ahọrọ mgbawa inductor maka ngwa ike nwere ike ibugharị, isi ihe atọ dị mkpa kwesịrị ịtụle: nha na nha, nke atọ bụ nha. Oghere bọọdụ sekit dị na ekwentị mkpanaaka dị oke ọnụ, ọkachasị ka etinyere ọrụ dịka egwuregwu, TV na vidiyo na ekwentị. Mmụba nke ịrụ ọrụ ga-ebulikwa eserese batrị ugbu a. Ya mere, modul nke ndị na-ahazi linear kwadoro ma ọ bụ jikọọ ozugbo na batrị chọrọ ngwọta dị elu. Otu nzọụkwụ n'ebe a elu ike ngwọta bụ iji a magnetik buck Ntụgharị.
Na mgbakwunye na nha, isi njirisi nke inductance bụ uru inductance na ugboro mgbanwe mgbanwe, DC impedance nke eriri igwe, ihe mgbakwunye saturation ugbu a, ihe mgbakwunye RMS dị ugbu a, mgbochi nkwurịta okwu ESR na ihe kpatara ya. Dabere na ngwa ahụ, ọ dịkwa mkpa na nhọrọ nke ụdị inductor na-echebe ma ọ bụ enweghị mkpuchi.
Yiri nhụsianya DC na capacitor, Vendor A's 2.2µH inductor nwere ike ịdị iche na nke Vendor B. Mmekọrịta dị n'etiti uru inductance na DC ugbu a nke mgbawa inductor na oke okpomọkụ dị mkpa bụ akụkụ dị oke mkpa, nke a ga-enweta n'aka onye nrụpụta. Enwere ike ịhụ saturation current (ISAT) n'usoro a. A na-akọwakarị ISAT dị ka mbelata uru inductance. DC dị ugbu a mgbe ego ahụ bụ 30[[%]] nke uru agbakwunyere. Ụfọdụ ndị na-emepụta inductor enweghị ISAT mgbe niile. Ma eleghị anya, ha nyere DC ugbu a mgbe okpomọkụ dị 40 Celsius C karịa ọnọdụ okpomọkụ.
Mgbe ugboro ngbanwe gafere 2MHz, ọ dị mkpa ịṅa ntị pụrụ iche na nkwụsị nkwurịta okwu nke inductor. ISAT na DCR nke inductors nke ndị nrụpụta dị iche iche edepụtara na ọkọlọtọ ọkọlọtọ nwere ike ịnwe nkwukọrịta dị iche iche na ngbanwe ugboro, na-ebute ike doro anya n'okpuru ibu ọkụ. iche. Nke a dị oke mkpa iji melite ndụ batrị n'ime sistemu ike mkpanaka, nke na-etinye oge ka ukwuu n'ụra, nọrọ na njikere ma ọ bụ ọnọdụ ike dị ala.
Ebe ọ bụ na ndị na-emepụta mgbawa anaghị enyekarị ozi ESR na Q, ndị na-emepụta kwesịrị ịjụ ha maka ya. Mmekọrịta dị n'etiti inductance na nke ugbu a nke onye nrụpụta na-enye na-emekarị ka ọ bụrụ 25 Celsius C, ya mere enwere ike ịnweta data dị mkpa n'ime oke okpomọkụ na-arụ ọrụ. Ọnọdụ kachasị njọ bụ 85 Celsius C.
Ọkachamara na mmepụta nke iche iche na ụdị nke na agba mgbanaka inductors, beaded inductors, vetikal inductors, tripod inductors, kwachie inductors, mmanya inductors, nkịtị mode coils, elu ugboro nkesa na ndị ọzọ na magnetik mmiri.
Oge nzipu: Sep-02-2022