Ndị injinia ibe m, unu ahụtụla ụdị "mpụntọm" a? E jiri ụzọ ámá data nke e mere nke ọma nwalee nke ọma n'ime ụlọ nyocha ahụ, mana mgbe otu afọ ma ọ bụ abụọ nke itinye ọtụtụ ihe na ọrụ ubi gasịrị, otu ndị a kapịrị ọnụ malitere inwe mfu ngwugwu a na-apụghị ịkọwa, ọkụ eletrik na-akwụsị, na ọbụna ịmaliteghachi. Ndị otu ngwanrọ ahụ nyochachara koodu ahụ nke ọma, ndị otu ngwaike ahụ lere anya ugboro ugboro, n'ikpeazụ jiri ngwa ziri ezi chọpụta ihe kpatara ya: mkpọtụ ugboro ugboro na isi ike.
Ngwọta Capacitor Multilayer YMIN
- Nnyocha Nkà na ụzụ nke kpatara mgbọrọgwụ - Ka anyị leba anya nke ọma n'ihe gbasara "nnyocha ọrịa". Ike ike nke ibe CPU/FPGA na ọnụ ụzọ ámá ọgbara ọhụrụ na-agbanwe nke ukwuu, na-emepụta ọtụtụ harmonics ugbu a dị elu. Nke a chọrọ ka netwọk ha na-ejikọta ike, karịsịa capacitors buru ibu, nwee obere nguzogide usoro nhata (ESR) na ikike ugbu a dị elu. Usoro ọdịda: N'okpuru nrụgide ogologo oge nke okpomọkụ dị elu na nnukwu ripple current, njikọ electrolyte-electrode nke capacitors polymer nkịtị na-ebelata mgbe niile, na-eme ka ESR mụbaa nke ukwuu ka oge na-aga. Mmụba ESR nwere ihe abụọ dị oke mkpa: Mbelata irè nzacha: Dịka Z = ESR + 1/ωC si kwuo, na ugboro ugboro dị elu, impedance Z bụ isi ihe ESR na-ekpebi. Ka ESR na-abawanye, ikike capacitor iji gbochie mkpọtụ ugboro ugboro na-ebelata nke ukwuu. Mmụba ọkụ onwe onye: Ripple current na-emepụta okpomọkụ n'ofe ESR (P = I²_rms * ESR). Mmụba okpomọkụ a na-eme ka ịka nká dịkwuo ngwa ngwa, na-emepụta oghere nzaghachi dị mma nke na-eduga na ọdịda capacitor n'oge. Ihe si na ya pụta: Usoro capacitor dara ada enweghị ike inye chaja zuru oke n'oge mgbanwe ibu nwa oge, ọ nweghịkwa ike iwepụ mkpọtụ ugboro ugboro dị elu nke ọkụ eletrik na-agbanwe agbanwe na-emepụta. Nke a na-akpata nsogbu na mbelata na voltaji ọkọnọ chip, na-eduga na njehie ezi uche.
- Ngwọta YMIN na Uru Usoro - Emebere capacitors siri ike nke MPS nke YMIN maka ngwa ndị a siri ike.
Nnwale nhazi: Usoro multilayer na-ejikọta ọtụtụ obere ibe capacitor siri ike n'otu ngwungwu n'otu ngwungwu. Nhazi a na-emepụta mmetụta impedance yiri ya ma e jiri ya tụnyere otu nnukwu capacitor, na-ebelata ESR na ESL (usoro inductance nhata) ruo ọkwa dị ala nke ukwuu. Dịka ọmụmaatụ, capacitor MPS 470μF/2.5V nwere ESR dị ala dị ka n'okpuru 3mΩ.
Nkwa Ihe: Sistemụ polima siri ike. Site na iji polima siri ike na-eduzi, ọ na-ewepụ ihe egwu nke ntapu mmiri ma na-enye njirimara okpomọkụ dị mma. ESR ya na-agbanwe obere obere n'ọtụtụ okpomọkụ (-55°C ruo +105°C), nke na-edozi oke ndụ nke capacitors mmiri/gel electrolyte.
Arụmọrụ: ESR dị ala nke ukwuu pụtara ikike ijikwa ọkụ eletrik ka ukwuu, belata mmụba okpomọkụ dị n'ime, ma melite sistemụ MTBF (oge etiti n'etiti ọdịda). Nzaghachi ugboro dị elu dị mma na-ewepụ mkpọtụ mgbanwe ọkwa MHz nke ọma, na-enye voltaji dị ọcha na chip ahụ.
Anyị mere ule ntụnyere na motherboard nke onye ahịa nwere adịghị mma:
Ntụnyere ụdị Waveform: N'okpuru otu ibu ahụ, ọkwa mkpọtụ elu-ruo-elu nke okporo ígwè ike isi mbụ ruru 240mV. Mgbe edochichara capacitors YMIN MPS, mkpọtụ ahụ kwụsịrị ruo ihe na-erughị 60mV. Ụdị wave oscilloscope na-egosi nke ọma na ụdị wave voltaji aghọọla nke ọma ma kwụsie ike.
Nnwale mmụba okpomọkụ: N'okpuru oke ibu nke ọkụ eletrik (ihe dị ka 3A), okpomọkụ elu nke capacitors nkịtị nwere ike iru ihe karịrị 95°C, ebe okpomọkụ elu nke capacitors YMIN MPS dị naanị ihe dị ka 70°C, mbelata okpomọkụ nke ihe karịrị 25°C. Nnwale ndụ ngwa ngwa: N'okpomọkụ ọkwa nke 105°C na ọkwa ripple current, mgbe awa 2000 gachara, ọnụego njigide ikike ruru ihe karịrị 95%, nke gafere ọkọlọtọ ụlọ ọrụ.
- Usoro Ngwa na Ụdị Akwadoro - Usoro YMIN MPS 470μF 2.5V (Nha: 7.3*4.3*1.9mm). ESR ha dị oke ala (<3mΩ), ọkwa ọkụ eletrik dị elu, na oke okpomọkụ ọrụ sara mbara (105°C) na-eme ka ha bụrụ ntọala a pụrụ ịtụkwasị obi maka atụmatụ ike isi na akụrụngwa nkwukọrịta netwọk dị elu, sava, sistemụ nchekwa, na motherboards njikwa ụlọ ọrụ.
Mmechi
Maka ndị na-emepụta ngwaike na-agbalịsi ike inweta ntụkwasị obi zuru oke, ịtọpụ ike eletrik abụghịzi okwu ịhọrọ uru ikike kwesịrị ekwesị; ọ chọrọ nlebara anya ka ukwuu na paramita ike dị ka ESR nke capacitor, ugbu a ripple, na nkwụsi ike ogologo oge. YMIN MPS multilayer capacitors, site na teknụzụ nhazi na ihe ọhụrụ, na-enye ndị injinia ngwaọrụ dị ike maka imeri nsogbu mkpọtụ ike ọkọnọ ike. Anyị nwere olileanya na nyocha teknụzụ miri emi a ga-enye gị nghọta. Maka ihe ịma aka ngwa capacitor, gaa na YMIN.
Oge ozi: Ọktoba-13-2025