Bonjiniyela bakithi, sewake wahlangabezana nalolu hlobo lokwehluleka “kwe-phantom”? Isango lesikhungo sedatha eliklanywe kahle lihlolwe ukuthi lilihle ngokuphelele elebhu, kodwa ngemva konyaka owodwa noma emibili yokuphakelwa ngobuningi nokusebenza kwenkambu, amaqoqo athile aqala ukulahlekelwa amaphakethe ngendlela engaqondakali, ukucisha kukagesi, ngisho nokuqalisa kabusha. Ithimba le-software liyiphenye ngokucophelela ikhodi, futhi ithimba lezingxenyekazi zekhompuyutha lahlola ngokuphindaphindiwe, ekugcineni lasebenzisa amathuluzi anembayo ukuze likhombe imbangela: umsindo wefrikhwensi ephezulu kumzila wesitimela wamandla.
Isixazululo se-YMIN Multilayer Capacitor
- Ukuhlaziywa Kwezobuchwepheshe Kwemsuka Yembangela - Ake sijule “ngokuhlaziywa kwe-pathology” ewumsuka. Ukusetshenziswa kwamandla okuguquguqukayo kwama-chips e-CPU/FPGA kumasango esimanje kushintshashintsha kakhulu, kukhiqize ama-harmonic amaningi amanje anemvamisa ephezulu. Lokhu kudinga amanethiwekhi awo okuqaqa amandla, ikakhulukazi ama-capacitor ngobuningi, abe nokumelana nochungechunge okulinganayo okuphansi kakhulu (ESR) kanye nekhono eliphezulu lamanje le-ripple. Indlela yokwehluleka: Ngaphansi kokucindezelwa kwesikhathi eside kwezinga lokushisa eliphezulu kanye ne-ripple yamanje, isixhumi esibonakalayo se-electrode-electrode yama-polymer capacitor avamile siqhubeka siwohloka, okubangela ukuba i-ESR inyuke kakhulu ngokuhamba kwesikhathi. Ukwenyuka kwe-ESR kunemiphumela emibili ebucayi: Ukunciphisa ukusebenza kahle kokuhlunga: Ngokusho kwe-Z = ESR + 1/ωC, kumafrikhwensi aphezulu, i-impedance Z inqunywa ngokuyinhloko yi-ESR. Njengoba i-ESR ikhula, amandla e-capacitor okucindezela umsindo we-high-frequency aba buthaka kakhulu. Ukwenyuka kokuzishisisa: I-Ripple current ikhiqiza ukushisa kuyo yonke i-ESR (P = I²_rms * ESR). Lokhu kukhuphuka kwezinga lokushisa kusheshisa ukuguga, kudala iluphu yempendulo enhle ekugcineni eholela ekuhlulekeni kwe-capacitor ngaphambi kwesikhathi. Umphumela: Uhlu lwe-capacitor oluhlulekile alukwazi ukunikeza ukushaja okwanele phakathi nezinguquko zomthwalo wesikhashana, futhi alukwazi ukuhlunga umsindo we-high-frequency okhiqizwa ukunikezwa kwamandla okushintsha. Lokhu kubangela amaphutha kanye nokwehla kwamandla kagesi we-chip, okuholela emaphutheni engqondo.
- Izixazululo ze-YMIN kanye Nezinzuzo Zenqubo - I-YMIN's MPS uchungechunge lwama-solid state capacitor aklanyelwe lezi zinhlelo zokusebenza ezinzima.
Ukuphumelela kwesakhiwo: Inqubo yezendlalelo eziningi ihlanganisa ama-chips e-solid-state capacitor amaningi ngokuhambisana ngaphakathi kwephakheji elilodwa. Lesi sakhiwo sidala umphumela we-impedance ofanayo uma kuqhathaniswa ne-capacitor eyodwa enkulu, ukunciphisa i-ESR ne-ESL (i-equivalent series inductance) kuya kumazinga aphansi kakhulu. Isibonelo, i-MPS 470μF/2.5V capacitor ine-ESR ephansi njengangaphansi kuka-3mΩ.
Isiqinisekiso Sempahla: Isistimu ye-polymer yesimo esiqinile. Isebenzisa i-polymer eqinile eqhubayo, isusa ubungozi bokuvuza futhi inikeze izici ezinhle kakhulu zemvamisa yokushisa. I-ESR yayo iyahlukahluka kancane ebangeni lokushisa elibanzi (-55°C kuya ku-+105°C), ngokuyisisekelo ibhekana nemikhawulo yokuphila kwama-capacitor oketshezi/ijeli e-electrolyte.
Ukusebenza: I-ESR ephansi kakhulu isho amandla amakhulu okubamba amanje, inciphisa ukukhuphuka kwezinga lokushisa kwangaphakathi, futhi ithuthukise isistimu ye-MTBF (isikhathi esimaphakathi phakathi kokuhluleka). Ukusabela okuhle kakhulu kwemvamisa ephezulu kuwuhlunga ngokuphumelelayo umsindo wokushintsha wezinga le-MHz, okunikeza i-voltage ehlanzekile ku-chip.
Senze izivivinyo zokuqhathanisa ebhodini lomama elinephutha lekhasimende:
Ukuqhathaniswa kwe-Waveform: Ngaphansi komthwalo ofanayo, izinga lomsindo ophakamayo ukuya phezulu likaloliwe wangempela oyinhloko wamandla wafinyelela ku-240mV. Ngemva kokushintsha ama-capacitor e-YMIN MPS, umsindo wacindezelwa waba ngaphansi kuka-60mV. I-oscilloscope waveform ikhombisa ngokusobala ukuthi i-voltage waveform isibushelelezi futhi izinzile.
Ukuhlolwa kokukhuphuka kwezinga lokushisa: Ngaphansi komthwalo ogcwele we-ripple current (cishe u-3A), izinga lokushisa elingaphezulu lama-capacitor ajwayelekile lingafinyelela ngaphezu kuka-95°C, kuyilapho izinga lokushisa elingaphezulu lama-capacitor e-YMIN MPS libalelwa ku-70°C kuphela, ukwehla kwezinga lokushisa okungaphezu kuka-25°C. Ukuhlola impilo okusheshisiwe: Ezingeni lokushisa elilinganiselwe elingu-105°C futhi likalwe i-ripple current, ngemva kwamahora angu-2000, izinga lokugcinwa komthamo lifinyelele >95%, lidlula kude izinga lemboni.
- Izimo zohlelo lokusebenza namamodeli anconyiwe - Uchungechunge lwe-YMIN MPS 470μF 2.5V (Ubukhulu: 7.3 * 4.3 * 1.9mm). I-ESR yabo ephansi kakhulu (<3mΩ), isilinganiso samanje esinyakazayo, kanye nezinga lokushisa elibanzi lokusebenza (105°C) kubenza babe isisekelo esithembekile semiklamo eyisisekelo yokuphakelwa kwamandla emishinini yokuxhumana yenethiwekhi esezingeni eliphezulu, amaseva, izinhlelo zokugcina, namabhodi omama okulawula izimboni.
Isiphetho
Kubaklami bezingxenyekazi zekhompuyutha abalwela ukuthembeka kokugcina, ukunqanyulwa kokunikezwa kwamandla akuseyona nje indaba yokukhetha inani elifanele le-capacitance; idinga ukunakwa okukhulu kumapharamitha aguquguqukayo njenge-ESR ye-capacitor, i-ripple current, nokuzinza kwesikhathi eside. Ama-capacitor amaningi e-YMIN MPS, ngobuchwepheshe obusha besakhiwo nezinto ezibonakalayo, ahlinzeka onjiniyela ngethuluzi elinamandla lokunqoba izinselele zomsindo wokunikezwa kwamandla. Sithemba ukuthi lokhu kuhlaziywa kobuchwepheshe okujulile kuzokunikeza imininingwane. Ukuze uthole izinselele zohlelo lokusebenza lwe-capacitor, vula ku-YMIN.
Isikhathi sokuthumela: Oct-13-2025