Ọrụ nke Chip Capacitors

Gafefe

Onye na-agafe agafe bụ ngwaọrụ nchekwa ike nke na-enye ike na ngwaọrụ mpaghara, nke na-ewepụta mmepụta nke onye na-achịkwa ma na-ebelata ibu ibu.Dịka obere batrị enwere ike ịchaji, enwere ike ịchaji ma tufuo capacitor na ngwaọrụ ahụ.Iji wedata impedance, a ga-edobe capacitor bypass ka ọ dị nso dị ka o kwere mee na pin ike ọkọnọ na ntụtụ ala nke ngwaọrụ ibu.Nke a bụ ụzọ dị mma iji gbochie mbuli elu ala na mkpọtụ kpatara oke ntinye ụkpụrụ.Ikike nke ala bụ voltaji na-agbada na njikọ ala mgbe ị na-agafe na nnukwu burr dị ugbu a.

Nkwakọba

Decoupling, nke a makwaara dị ka nchacha.N'ihe gbasara sekit, enwere ike ịmata ya mgbe niile n'etiti isi iyi a na-ebugharị na ibu a na-ebugharị.Ọ bụrụ na ibu capacitance bụ dịtụ ibu, na-akwọ ụgbọala sekit ga-ana na igbapu capacitor iji wuchaa mgbaàmà na-awụlikwa elu, na nke ugbu a bụ ibu mgbe ịrị elu onu bụ steeper, nke mere na chụpụrụ ugbu a ga-amịkọrọ a nnukwu ọkọnọ ugbu a, na ruru eru. na inductance na sekit, ndị na-eguzogide (karịsịa inductance na mgbawa pin, nke ga-n'ịwa a ibiaghachi), nke a ugbu a bụ n'ezie a mkpọtụ metụtara nkịtị ọnọdụ, nke ga-emetụta n'ihu ogbo Nke a bụ ihe a na-akpọ " njikọ".

The decoupling capacitor bụ ịrụ ọrụ "batrị", izute mgbanwe dị ugbu a nke sekit mbanye, iji zere nnyonye anya njikọ ọnụ.

Ijikọta bypass capacitor na decoupling capacitor ga-adị mfe nghọta.The bypass capacitor bụ n'ezie decoupling, ma bypass capacitor n'ozuzu na-ezo aka elu ugboro ugboro bypass, nke bụ imezi a obere impedance drain ụzọ maka elu ugboro ịgbanwe mkpọtụ.Igwe ihe nfefe dị elu na-adịkarị obere, dịka ụda resonant na-ewerekarị 0.1μF, 0.01μF, wdg;mgbe ike nke decoupling capacitor bụ n'ozuzu ibu, nwere ike ịbụ 10μF ma ọ bụ ibu, dị ka nkesa parameters na sekit, na size nke mgbanwe na mbanye ugbu a iji chọpụta.Bypass bụ ịchacha nnyonye anya na mgbama ntinye, ebe nbibi bụ iji yochaa nnyonye anya na mgbama mmepụta iji gbochie mgbaama nnyonye anya ịlaghachi na ọkụ.Nke a kwesịrị ịbụ ọdịiche dị mkpa n'etiti ha.

Nzacha

N'ụzọ doro anya (ntụgharị na-eche na capacitor dị ọcha), ka ike ya na-abawanye, na-ebelata impedance na elu ugboro ole ọ na-agafe.Ma na omume, ọtụtụ capacitors n'elu 1μF bụ electrolytic capacitors, nke nwere nnukwu inductive akụrụngwa, otú impedance ga-abawanye kama mgbe ugboro elu.Mgbe ụfọdụ, ị nwere ike ịhụ nnukwu capacitance electrolytic capacitor n'otu n'otu na obere capacitor, mgbe nnukwu capacitor site na obere ugboro, obere capacitor site na elu ugboro.Ọrụ nke capacitance bụ ịgafe nkwụsi ike dị elu dị ala, site na nkwụsi ike dị elu ugboro ugboro.Ka ikike ikike buru ibu, ọ na-adị mfe ịgafe ugboro ole dị ala.Ejiri ya kpọmkwem na nzacha, nnukwu capacitor (1000μF) na-enyocha ugboro ole dị ala, obere capacitor (20pF) na-enyocha ugboro ole.Ụfọdụ ndị ọrụ ejiriwo echiche atụ atụnyere capacitor nzacha na "ọdọ mmiri".Ebe ọ bụ na voltaji na nsọtụ abụọ nke capacitor adịghị agbanwe na mberede, ọ nwere ike ịhụ na elu mgbaàmà ugboro bụ, ukwuu na attenuation, nke nwere ike kwuru nke ukwuu graphically na capacitor dị ka ọdọ mmiri mmiri, ọ bụghị kpatara a. ntakịrị mmiri ole na ole iji sonyere ma ọ bụ wepụ mgbanwe nke oke mmiri.Ọ na-agbanwe mgbanwe nke voltaji n'ime mgbanwe nke ugbu a, na elu ugboro ugboro, elu elu ugbu a, si otú buffering voltaji.Nzacha bụ usoro ịchaji, ịgbasa.

Nchekwa ike

Ihe nchekwa nchekwa ike na-anakọta ụgwọ site na onye nrụpụta ma na-ebufe ike echekwara site na ntụgharị na-eduga na mmepụta nke ọkụ.Aluminom electrolytic capacitors nwere voltaji ratings nke 40 ruo 450 VDC na capacitance ụkpụrụ n'etiti 220 na 150,000 μF (dị ka B43504 ma ọ bụ B43505 si EPCOS) na-ejikarị.Dabere na ihe ọkụ ọkụ chọrọ, a na-ejikọta ngwaọrụ mgbe ụfọdụ n'usoro, n'otu oge ma ọ bụ ngwakọta ya.Maka ọkụ ọkụ nwere ọkwa ike karịrị 10 kW, a na-ejikarị capacitors screw terminal nwere ụdị nwere ike mee.

Họrọ ma tinye igweAtụmatụ—-NeoDen10

1. Ebe 0201, QFN na QFP Fine-pitch IC na oke ziri ezi.

2. N'ihu na azụ na 2 nke anọ ọgbọ elu ọsọ na-efe efe igwefoto ude usoro, US ON sensọ, 28mm ulo oru oghere, maka ofufe gbaa na elu ziri ezi ude.

3. 8 ndị isi nọọrọ onwe ha nwere sistemụ njikwa aka mechiri emechi na-akwado ndị na-eri nri 8mm na-ebuli n'otu oge, na-agba ọsọ ruo 13,000 CPH.

4. elu elu ruo 16mm, nhazi nkenke na arụmọrụ kwụsiri ike.

5. Nkwado ruo 4 pallet tray nke ibe (nhazi nhọrọ), nnukwu oke na nhọrọ ndị ọzọ.