I. Cov Teeb Meem Daim Ntawv Thov ntawm Ultra-Low ESR (≤3mΩ) hauv AI Server VRMs
Lo Lus Nug Tseem Ceeb 1: Peb lub CPU fais fab mov muaj qhov teb tsis zoo heev; kev ntsuas qhia tau tias muaj qhov poob hluav taws xob loj. Puas yog VRM ESR ntawm lub capacitor tso zis siab dhau? Puas muaj cov capacitors uas muaj ESR qis dua 4 milliohms pom zoo?
Q1:
Lo lus nug: Thaum debugging VRM ntawm AI server CPU fais fab mov, peb ntsib teeb meem ntawm cov hluav taws xob ntau dhau ntawm lub hauv paus. Peb tau sim ua kom zoo dua qhov PCB layout thiab nce tus lej ntawm cov capacitors tso zis, tab sis qhov kev ntsuas qhov tso tawm ntsuas nrog oscilloscope tseem tsis txaus siab, ua rau peb xav tias lub capacitor ESR siab dhau. Rau hom kev siv no, peb yuav ntsuas lossis ntsuas qhov tseeb ESR ntawm lub capacitor hauv lub voj voog li cas? Dhau li ntawm kev xa mus rau daim ntawv qhia, muaj cov txheej txheem twg rau kev txheeb xyuas on-board?
Lus Teb: Rau cov ntawv thov ua haujlwm siab, peb pom zoo kom siv cov capacitors ntau txheej solid-state nrog cov yam ntxwv ESR qis heev, xws li YMIN MPS series, uas nws ESR tuaj yeem qis li ≤3mΩ (@ 100kHz), sib xws nrog cov qauv ntawm cov neeg sib tw Nyiv Pooj siab. Thaum lub sijhawm txheeb xyuas on-board, qhov ceev rov qab voltage tuaj yeem pom los ntawm kev sim kauj ruam load, lossis cov kab impedance tuaj yeem ntsuas siv lub network analyzer. Tom qab hloov cov capacitors no, feem ntau nws tsis tas yuav tsim dua lub voj voog them nyiaj, tab sis kev sim teb transient yog qhov pom zoo kom paub meej tias qhov cuam tshuam kev txhim kho.
Q2:
Lo lus nug: Peb lub GPU fais fab module muaj kev poob qis tseem ceeb hauv qab kev sim ib puag ncig kub siab. Thermal imaging qhia tau hais tias qhov kub ntawm thaj chaw capacitor tshaj 85 ° C. Kev tshawb fawb qhia tau hais tias ESR muaj qhov kub zoo. Thaum soj ntsuam qhov kev ua haujlwm kub siab ntawm cov capacitors, ntxiv rau qhov kub ntawm chav tsev ESR tus nqi hauv daim ntawv datasheet, peb puas yuav tsum tau them sai sai rau ESR drift curve hla tag nrho qhov kub thiab txias? Feem ntau, cov ntaub ntawv lossis cov qauv twg ua rau muaj qhov kub tsawg dua rau cov capacitors?
Lus Teb: Koj qhov kev txhawj xeeb yog qhov tseem ceeb heev. Nws yog ib qho tseem ceeb heev uas yuav tsum tau them sai sai rau qhov ruaj khov ntawm lub capacitor's ESR thoob plaws tag nrho qhov kub thiab txias (-55 ° C txog 105 ° C). Cov multilayer polymer solid-state capacitors (xws li YMIN MPS series) zoo tshaj plaws hauv qhov no, qhia txog kev hloov pauv maj mam hauv ESR ntawm qhov kub siab. Piv txwv li, qhov nce hauv ESR ntawm 85 ℃ piv rau 25 ℃ tuaj yeem tswj tau hauv 15%, ua tsaug rau lawv cov electrolyte khov kho thiab cov qauv multilayer, ua rau lawv zoo tagnrho rau qhov kub thiab txias, qhov xwm txheej siab ntseeg tau xws li AI servers.
Q3:
Lo lus nug: Vim yog qhov chaw tsim PCB tsawg heev, peb tsis tuaj yeem txo qhov ESR tag nrho los ntawm kev txuas ntau lub capacitors ua ke. Tam sim no, ESR ntawm ib lub capacitor yog nyob ib ncig ntawm 5mΩ, tab sis qhov kev teb transient tseem tsis zoo. Peb pom cov capacitors ib leeg muaj peev xwm hauv kev ua lag luam thov ESR hauv qab 3mΩ. Cov yam ntxwv impedance ntawm cov multilayer solid-state capacitors ntawm cov zaus siab dua (piv txwv li, siab dua 1MHz) yog dab tsi? Lawv cov nyhuv lim dej siab puas yuav raug cuam tshuam vim muaj cov qauv sib txawv?
Lus Teb: Qhov no yog ib qho kev txhawj xeeb uas feem ntau muaj. Cov khoom siv hluav taws xob zoo uas tsis tshua muaj ESR ntau txheej (xws li YMIN MPS series) tuaj yeem ua tiav ob qho tib si ESR qis thiab ESL qis (sib npaug series inductance) los ntawm kev ua kom zoo dua qub hauv cov qauv electrode sab hauv. Yog li ntawd, nws tswj hwm qhov tsis muaj zog heev hauv 1MHz txog 10MHz qhov ntau zaus siab, ua rau muaj kev lim suab nrov zoo heev. Nws cov kab impedance-zaus feem ntau sib tshooj nrog cov khoom sib piv los ntawm cov npe thoob ntiaj teb, yam tsis cuam tshuam rau kev tsim hluav taws xob (PI) tsim.
Nqe Lus Nug 4:
Lo lus nug: Hauv kev tsim VRM ntau theem, peb tau pom qhov tsis sib npaug ntawm tam sim no hauv txhua theem, xav tias muaj kev sib txuas rau qhov sib xws ntawm ESR parameter ntawm txhua theem cov capacitors tso zis. Txawm tias siv cov capacitors los ntawm tib pawg, qhov kev txhim kho tseem tsawg. Rau AI server fais fab tsim cov qauv tsim uas tsom mus rau kev ua tau zoo heev, cov capacitors feem ntau yuav tsum ua tiav qib twg ntawm kev sib xws ntawm ESR thiab kev faib tawm? Cov chaw tsim khoom puas muab cov ntaub ntawv faib tawm txheeb cais?
Lus Teb: Koj cov lus nug kov txog lub hauv paus ntawm kev ntseeg siab ntawm kev tsim khoom loj. Cov chaw tsim khoom siv capacitor ua haujlwm siab yuav tsum muaj peev xwm tswj hwm ESR kom nruj. Piv txwv li, ymin's MPS series, los ntawm cov txheej txheem tsim khoom tsis siv neeg, tuaj yeem tswj hwm qhov kev faib tawm ntawm cov khoom siv ESR hauv ± 10% thiab muab cov ntaub ntawv qhia txog cov khoom siv batch parameter. Qhov no yog qhov tseem ceeb rau cov qauv tsim hluav taws xob CPU / GPU siab uas xav tau kev sib koom ua ke ntau theem.
Nqe Lus Nug 5:
Lo lus nug: Dhau li ntawm kev siv cov cuab yeej ntsuas network kim, puas muaj cov txheej txheem yooj yim dua hauv thaj teb los ntsuas qhov ESR thiab qhov ceev ntawm cov capacitors kom zoo lossis ib nrab? Peb tau sim siv lub zog hluav taws xob rau kev sim kauj ruam, tab sis peb yuav rho tawm cov kev ntsuas zoo li cas los ntawm qhov ntsuas voltage poob waveform los sib piv cov kev ua tau zoo ntawm cov capacitors sib txawv?
Lus Teb: Yog, kev sim cov kauj ruam thauj khoom yog ib txoj kev zoo. Koj tuaj yeem tsom mus rau ob qho kev ntsuas: qhov siab tshaj plaws voltage poob (ΔV) thiab lub sijhawm xav tau rau lub voltage kom rov qab mus rau tus nqi ruaj khov. ΔV me dua thiab lub sijhawm rov qab luv dua feem ntau txhais tau tias ESR qis dua thiab teb sai dua ntawm lub network capacitor. Qee tus neeg muag khoom capacitor ua lag luam (xws li ymin) muab cov ntawv sau qhia txog kev siv los qhia koj txog yuav ua li cas teeb tsa kev sim thiab txhais cov ntaub ntawv, yog li ntsuas qhov kev txhim kho uas coj los ntawm ultra-low ESR capacitors zoo li MPS series.
II. Cov Teeb Meem Kev Tswj Xyuas Kub Txog Qhov Tam Sim No Ripple Siab thiab Kev Ruaj Ntseg Kub Siab
Lo Lus Nug Tseem Ceeb 2: Tom qab lub tshuab khiav ntev, cov capacitors kub heev, thiab qhov kub thiab txias kuj siab. Kuv txhawj xeeb tias lawv yuav tawg hauv lub sijhawm ntev. Puas muaj cov capacitors 560μF nrog cov tam sim no siab tshwj xeeb uas tuaj yeem tiv taus qhov kub txog li 105 ℃? Lub peev xwm kuj tseem ceeb heev
Nqe Lus Nug 6:
Lo lus nug: Thaum peb lub AI server khiav ntawm qhov puv load, qhov ntsuas kub ntawm thaj chaw capacitor hauv GPU fais fab mov circuit ncav cuag tshaj 90 ° C. Kev suav qhia txog qhov xav tau tam sim no ripple ntawm kwv yees li 8.5A, tab sis qhov ntsuas ripple tam sim no ntawm cov capacitors uas twb muaj lawm tsis txaus ntawm qhov kub siab. Peb yuav tsum txhais cov nqi tam sim no ripple hauv daim ntawv qhia li cas thaum xaiv cov capacitors? Piv txwv li, rau lub capacitor uas muaj cim "10.2A @ 45 ° C", nws qhov tam sim no siv tau tiag tiag yuav muaj pes tsawg hnub ntawm qhov kub thiab txias ntawm 85 ° C?
Lus Teb: Ripple tam sim no derating yog qhov tseem ceeb rau kev tsim qauv kub siab. Cov ntaub ntawv feem ntau muab cov kab ntsuas kub-ripple tam sim no derating. Siv YMIN MPS series ua piv txwv, nws lub npe 10.2A ripple tam sim no (@ 45 ° C) tseem tswj tau lub peev xwm zoo ntawm ≥8.2A tom qab derating ntawm qhov kub thiab txias ntawm 85 ° C, txo qis kwv yees li 20%, ua tsaug rau nws qhov poob qis thiab kev tsim qauv thermal zoo heev. Kev xaiv hom capacitor no ua kom muaj kev ua haujlwm ruaj khov hauv qhov chaw kub siab.
Nqe Lus Nug 7:
Lo lus nug: Peb tau ua tiav txo qhov kub ntawm lub capacitor los ntawm kev nce qhov tuab ntawm PCB tooj liab los ntawm 1oz mus rau 2oz, tab sis qhov cuam tshuam tseem tsis tau raws li qhov xav tau. Rau cov capacitors uas yuav tsum tau tiv taus cov hluav taws xob ntau dua 10A, ntxiv rau qhov tuab ntawm tooj liab, lwm yam dab tsi uas cuam tshuam rau lawv qhov kub ua haujlwm kawg? Puas muaj cov lus qhia txog kev teeb tsa thiab kev tsim qauv?
Lus Teb: Kev tsim PCB yog qhov tseem ceeb heev. Ntxiv rau kev ua kom cov ntawv ci tooj liab tuab, nws tseem ceeb heev kom ntseeg tau tias txoj kev luv luv thiab dav thiab txo qhov impedance ntawm lub voj voog. Rau cov capacitors tam sim no siab ripple zoo li YMIN MPS series, nws raug pom zoo kom tso ib qho array ntawm thermal vias nyob ib puag ncig cov capacitor pads (tsis yog ncaj qha hauv qab) thiab txuas lawv rau lub dav hlau hauv av rau kev tshem tawm cua sov. Ua raws li cov lus qhia tsim qauv no, ua ke nrog lub capacitor tus kheej ESR qis ntawm 3mΩ, qhov kub nce siab tuaj yeem tswj tau hauv 15 ° C, txhim kho kev ntseeg tau zoo.
Nqe Lus Nug 8:
Lo lus nug: Hauv multiphase VRM, txawm tias muaj qhov chaw tso capacitor sib xws, qhov kub ntawm capacitor hauv theem nruab nrab tseem siab dua 5-8 ° C dua li ntawm sab, uas tej zaum yuav yog vim muaj cua thiab qhov tsis sib xws ntawm qhov chaw. Hauv qhov no, puas muaj cov tswv yim tsim capacitor lossis xaiv cov tswv yim los sib npaug ntawm kev ntxhov siab thermal ntawm txhua theem? Lus teb: Qhov no yog qhov teeb meem ib txwm muaj ntawm kev sib cais cua sov tsis sib xws. Ib txoj hauv kev yog siv cov capacitors nrog cov ntsuas tam sim no siab dua hauv theem nruab nrab lossis cov chaw kub, lossis txuas ob lub capacitors ua ke ntawm cov chaw ntawd los faib cov cua sov. Piv txwv li, ib qho qauv tshwj xeeb high-Irip los ntawm YMIN MPS series tuaj yeem xaiv rau kev txhawb nqa hauv zos yam tsis hloov pauv tag nrho lub peev xwm capacitor, yog li ua kom zoo dua qhov kev faib cua sov ntawm lub cev yam tsis muaj kev tsim ntau dhau.
Nqe Lus Nug 9:
Lo lus nug: Hauv peb qhov kev sim ua kom ruaj khov thaum kub siab, peb pom tias lub peev xwm ntawm qee cov capacitors tau qhia txog kev puas tsuaj uas ntsuas tau nrog kev nce ntxiv ntawm qhov kub thiab kev ua haujlwm ntev (piv txwv li, kev puas tsuaj ntau tshaj 10% ntawm 105 ° C). Rau cov khoom siv fais fab AI server uas xav tau kev ruaj khov mus sij hawm ntev, yuav tsum xav txog cov yam ntxwv ntawm lub peev xwm-kub thiab kev ruaj khov mus sij hawm ntev ntawm cov capacitors li cas? Hom capacitor twg ua tau zoo dua hauv qhov no?
Lus Teb: Kev ruaj khov ntawm lub peev xwm yog qhov qhia tseem ceeb ntawm kev ntseeg siab ntev. Cov capacitors polymer solid-state, tshwj xeeb tshaj yog cov hom multilayer ua haujlwm siab, muaj qhov zoo dua hauv qhov no. Piv txwv li, ymin's MPS series siv cov electrolyte polymer tshwj xeeb, uas nws qhov kev hloov pauv ntawm lub peev xwm tuaj yeem tswj tau hauv ± 10% thoob plaws tag nrho qhov kub thiab txias (-55 ℃ txog 105 ℃). Ntxiv mus, tom qab 2000 teev ntawm kev ua haujlwm tas mus li ntawm 105 ° C, qhov kev puas tsuaj ntawm lub peev xwm feem ntau tsawg dua 5%, zoo dua li cov kua dej lossis cov capacitors solid-state.
Q10:
Lo lus nug: Txhawm rau tswj qhov kub ntawm lub capacitor nce ntawm theem system, peb npaj yuav qhia txog kev simulation thermal. Cov yam ntxwv tseem ceeb twg (piv txwv li, thermal resistance Rth) peb xav tau los ntawm tus neeg muag khoom los tsim kom muaj tus qauv thermal capacitor raug? Cov kev ntsuas no feem ntau ntsuas li cas, thiab lawv puas tau muab ua tus qauv hauv daim ntawv teev cov ntaub ntawv?
Lus Teb: Kev sim ua kom raug thermal xav tau qhov capacitor qhov kev sib txuas-rau-ambient thermal resistance (Rth-ja) parameter. Cov chaw tsim khoom capacitor uas muaj koob npe yuav muab cov ntaub ntawv no. Piv txwv li, ymin muab cov kev ntsuas thermal resistance raws li JESD51 tus qauv xeem rau nws cov MPS series capacitors, thiab tej zaum yuav suav nrog cov kab ntsuas kub nce rau ntau hom PCB layouts. Qhov no pab cov engineers kwv yees thiab ua kom zoo dua qhov system thermal kev ua tau zoo hauv cov theem thaum ntxov ntawm kev tsim.
III. Cov Teeb Meem Kev Txheeb Xyuas Txog Lub Neej Ntev thiab Kev Ntseeg Siab
Lo Lus Nug Tseem Ceeb 3: Peb cov khoom siv tau tsim los rau lub neej ntev tshaj 5 xyoos, tab sis cov capacitors tam sim no kwv yees tias yuav poob qis hauv kev ua haujlwm hauv 3 xyoos. Puas muaj cov capacitors solid-state uas muaj lub neej ntev uas tuaj yeem lav tau ntau tshaj 2000 teev ntawm 105 ° C?
Nqe Lus Nug 11:
Lo lus nug: Peb lub AI server yog tsim los rau 5 xyoos ntawm kev ua haujlwm tsis tu ncua. Xav tias chav server chav sov li ntawm 35 ° C, qhov kub ntawm lub capacitor core yuav tsum nyob ib puag ncig 85 ° C. Yuav ua li cas hloov qhov "2000 teev @ 105 ° C" lub neej sim feem ntau pom hauv cov lus qhia rau lub neej xav tau nyob rau hauv cov xwm txheej ua haujlwm tiag tiag? Puas muaj cov qauv kev nrawm thiab cov qauv xam uas lees txais thoob ntiaj teb?
Lus Teb: Tus qauv Arrhenius feem ntau yog siv rau kev hloov pauv lub neej; rau txhua 10 ° C txo qis hauv qhov kub thiab txias, lub neej kwv yees li ob npaug. Txawm li cas los xij, kev suav tiag tiag kuj yuav tsum xav txog kev ntxhov siab tam sim no. Qee tus neeg muag khoom muab cov cuab yeej suav lub neej online. Siv YMIN MPS series ua piv txwv, nws qhov kev xeem 2000-teev @105 ° C tau ua nyob rau hauv cov xwm txheej puv ntoob. Hloov mus rau 85 ° C thiab xav txog kev ntxhov siab ua haujlwm tiag tiag tom qab derating, nws lub neej kwv yees ntau dua li 5-xyoo qhov yuav tsum tau ua, thiab kev suav ntxaws ntxaws tau muab.
Nqe Lus Nug 12:
Lo lus nug: Hauv peb qhov kev sim ua ntej kub siab, peb pom tias qee cov capacitors tau ntsib ESR nce ntau dua 30% tom qab 1500 teev. Rau cov capacitors uas muaj lub neej ntev, cov ntaub ntawv tseem ceeb ntawm kev ua haujlwm poob qis (xws li ESR nce thiab kev hloov pauv capacitance) yuav tsum suav nrog hauv daim ntawv qhia txog kev sim neej? Qhov ntau ntawm kev poob qis twg tuaj yeem suav tias txais tau?
Lus Teb: Daim ntawv qhia txog kev sim lub neej ntev yuav tsum sau cov xwm txheej ntawm kev sim (kub, voltage, ripple current) thiab ntsuas ESR thiab capacitance hloov pauv tas li. Rau cov ntawv thov siab, feem ntau yuav tsum tau ua tom qab 2000 teev ntawm kev sim kub siab, ESR nce yuav tsum tsis pub tshaj 10%, thiab qhov kev puas tsuaj ntawm capacitance yuav tsum tsis pub tshaj 5%. Piv txwv li, daim ntawv qhia txog kev sim lub neej ntev rau YMIN MPS series siv tus qauv no, muab cov ntaub ntawv pob tshab thiab qhia txog nws qhov ruaj khov nyob rau hauv cov xwm txheej hnyav.
Q13:
Lo lus nug: Cov servers xav tau ntau yam kev sim kev co. Peb tau ntsib teeb meem nrog cov kab nrib pleb me me tshwm sim ntawm cov pob qij txha capacitor pin solder vim yog kev co. Thaum xaiv cov capacitors, cov qauv kho tshuab lossis daim ntawv pov thawj xeem twg yuav tsum tau txiav txim siab los txhim kho kev tiv thaiv kev co?
Lus Teb: Ua tib zoo saib seb lub capacitor puas tau dhau qhov kev sim kev co raws li cov qauv xws li IEC 60068-2-6. Kev teeb tsa, cov capacitors nrog cov hauv qab uas muaj cov resin thiab cov qauv pin uas muaj zog muab kev tiv thaiv kev co zoo dua. Piv txwv li, ymin's MPS series siv cov qauv no thiab tau dhau qhov kev sim kev co hnyav, kom ntseeg tau tias kev sib txuas tau zoo thaum lub sijhawm thauj mus los thiab kev ua haujlwm ntawm lub server.
Nqe Lus Nug 14:
Lo lus nug: Peb xav tsim kom muaj tus qauv kwv yees kev ntseeg siab ntawm lub capacitor kom raug dua, uas xav tau cov ntaub ntawv faib tawm ntawm qhov tsis ua tiav (piv txwv li, cov duab thiab cov ntsuas ntawm Weibull faib). Cov chaw tsim khoom capacitor feem ntau puas muab cov ntaub ntawv kev ntseeg siab no rau cov neeg siv khoom?
Lus Teb: Yog, cov chaw tsim khoom ua lag luam muab cov ntaub ntawv kev ntseeg siab tob. Piv txwv li, Ymin tuaj yeem muab nws cov MPS series nrog cov ntawv ceeb toom suav nrog tus nqi tsis ua tiav (FIT), Weibull cov kev faib tawm, thiab kev kwv yees lub neej ntawm ntau qib kev ntseeg siab. Cov ntaub ntawv no, raws li kev sim ua kom ruaj khov, pab cov neeg siv khoom ua qhov kev ntsuam xyuas kev ntseeg siab thiab kev kwv yees ntawm qib system kom raug dua.
Nqe Lus Nug 15:
Lo lus nug: Txhawm rau tswj cov nqi ua tsis tiav thaum ntxov, peb tau ntxiv cov kauj ruam tshuaj xyuas kev laus uas kub siab rau peb qhov kev tshuaj xyuas cov khoom xa tuaj. Cov chaw tsim khoom capacitor puas ua 100% kev tshuaj xyuas kev ua tsis tiav thaum ntxov ua ntej xa khoom? Cov xwm txheej tshuaj xyuas feem ntau yog dab tsi, thiab qhov no tseem ceeb npaum li cas rau kev ua kom ntseeg tau tias muaj kev ntseeg siab ntau?
Lus Teb: Cov chaw tsim khoom siv capacitor siab kawg uas muaj lub luag haujlwm ua 100% kev tshuaj xyuas ua ntej xa khoom. Cov xwm txheej tshuaj xyuas ib txwm muaj xws li siv cov hluav taws xob ntsuas thiab cov hluav taws xob ripple ntawm qhov kub siab dua qhov kub ntsuas (piv txwv li, 125 ° C) rau ntau dua 24 teev. Cov txheej txheem nruj no tshem tawm cov khoom tsis ua haujlwm thaum ntxov, txo qhov tsis ua haujlwm ntawm cov khoom xa tawm mus rau qib qis heev (piv txwv li, <10ppm). Ymin siv qhov kev tshuaj xyuas nruj no rau nws cov koob MPS, muab rau cov neeg siv khoom nrog "zero-defect" kev lees paub zoo.
IV. Hais txog kev xaiv cov Capacitors ua haujlwm siab lwm txoj
Lo Lus Nug Tseem Ceeb 4: Cov Panasonic GX series uas peb siv tam sim no muaj lub sijhawm ua khoom ntev dhau / tus nqi siab, thiab peb xav tau lwm txoj hauv kev hauv tsev sai sai. Puas muaj cov capacitors 2.5V 560μF nrog ESR sib piv, ripple tam sim no, thiab lub neej ntev? Qhov zoo tshaj plaws, yog hloov ncaj qha.
Nqe Lus Nug 16:
Lo lus nug: Vim yog cov kev txwv ntawm cov khoom xa tuaj, peb yuav tsum nrhiav lub capacitor ua haujlwm siab uas tsim tawm hauv tebchaws los hloov lub capacitor 560μF / 2.5V los ntawm lub npe nrov Japanese uas tam sim no siv hauv peb tus qauv tsim. Dhau li ntawm qhov muaj peev xwm yooj yim, voltage, ESR, thiab qhov ntev, cov kev ua tau zoo thiab cov kab nkhaus twg yuav tsum tau sib piv thaum lub sijhawm hloov pauv ncaj qha?
Lus Teb: Kev ntsuam xyuas tob tob yog qhov tseem ceeb heev. Cov hauv qab no yuav tsum tau muab piv: 1) Ua tiav cov kab impedance-zaus (los ntawm 100Hz txog 10MHz) kom ntseeg tau tias muaj cov yam ntxwv siab sib xws; 2) Ripple current-temperature derating curves; 3) Cov ntaub ntawv xeem Lifespan thiab decay curves. Lwm txoj hauv kev tsim nyog, xws li YMIN MPS series, yuav muab cov ntaub ntawv sib piv qhia meej tias nws nyob rau tib theem li lossis zoo dua li tus neeg sib tw Nyiv Pooj thawj hauv cov kev ntsuas tseem ceeb saum toj no, yog li ua tiav qhov hloov pauv "plug-and-play" tiag tiag.
Nqe Lus Nug 17:
Lo lus nug: Tom qab hloov cov capacitors tiav lawm, qhov kev ua haujlwm ntawm lub kaw lus feem ntau ua tau raws li cov lus qhia, tab sis muaj qhov nce me ntsis ntawm lub suab nrov ripple tau pom hauv lub zog hloov pauv ntawm cov zaus tshwj xeeb (piv txwv li, 1.2MHz). Dab tsi tuaj yeem ua rau qhov no? Yog tsis hloov pauv lub ntsiab topology, cov txheej txheem zoo li cas feem ntau tuaj yeem siv los ua kom zoo dua qhov no?
Lus Teb: Qhov no yuav yog vim muaj qhov sib txawv me me hauv cov yam ntxwv impedance ntawm cov capacitors qub thiab tshiab ntawm cov zaus siab heev. Cov txheej txheem kev txhim kho suav nrog: txuas lub capacitor ceramic me me, qis-ESL ua ke nrog lub capacitor loj uas twb muaj lawm los txhim kho kev lim dej ntawm qhov zaus ntawd; lossis kho qhov zaus hloov pauv kom zoo. Cov neeg muab khoom capacitor muaj koob npe (xws li ymin) yuav muab kev txhawb nqa rau lawv cov khoom (piv txwv li, MPS series), suav nrog cov lus qhia tshwj xeeb rau kev txhim kho cov lim dej tso zis.
Nqe Lus Nug 18:
Lo lus nug: Peb cov khoom muag thoob ntiaj teb thiab muaj cov cai ib puag ncig nruj heev (xws li RoHS 2.0, REACH). Thaum soj ntsuam cov neeg muab khoom capacitor tshiab, yuav tsum thov cov ntaub ntawv ua raws li txoj cai tshwj xeeb twg?
Lus Teb: Cov neeg muab khoom yuav tsum tau muab daim ntawv qhia txog kev ua raws li RoHS/REACH tshiab tshaj plaws uas tau muab los ntawm lub koom haum thib peb uas muaj cai (xws li SGS), nrog rau daim ntawv tshaj tawm cov khoom siv tiav. Cov ntaub ntawv no yuav tsum teev cov txiaj ntsig ntawm kev sim rau txhua yam tshuaj txwv. Cov neeg muab khoom uas tau tsim tsa, xws li Ymin, tuaj yeem muab cov ntaub ntawv ua raws li ib puag ncig uas ua tau raws li cov qauv thoob ntiaj teb rau cov kab khoom xws li MPS series, kom ntseeg tau tias cov khoom lag luam ntawm cov neeg siv khoom nkag mus rau hauv kev lag luam thoob ntiaj teb tau yooj yim.
Nqe Lus Nug 19:
Lo lus nug: Txhawm rau kom txo cov kev pheej hmoo ntawm cov khoom xa tuaj, peb npaj yuav qhia txog tus neeg muag khoom thib ob. Cov khoom siv capacitor ntawm tus neeg muag khoom tshiab puas muaj cov ntaub ntawv tshawb fawb txog kev siv ntau hauv cov servers AI lossis cov khoom siv hauv chaw khaws ntaub ntawv? Lawv puas tuaj yeem muab cov ntawv qhia pov thawj lossis cov ntaub ntawv ua tau zoo los ntawm cov neeg siv khoom kawg ua qhov siv tau?
Lus Teb: Qhov no yog ib kauj ruam tseem ceeb hauv kev txo qhov kev pheej hmoo ntawm kev qhia. Tus neeg muag khoom muaj npe nrov yuav tsum muaj peev xwm muab cov ntaub ntawv tshawb fawb ntawm kev siv ntau hauv cov neeg siv khoom paub zoo lossis cov haujlwm benchmark. Piv txwv li, Ymin tuaj yeem muab cov ntawv qhia kev tshaj lij lossis daim ntawv pov thawj pom zoo los ntawm cov neeg siv khoom uas qhia txog kev txheeb xyuas kev ntseeg siab mus sij hawm ntev (xws li 2000 teev ntawm qhov kub siab tag nrho, kev hloov pauv kub, thiab lwm yam) ntawm nws cov MPS series capacitors hauv AI server projects ntawm ntau lub tuam txhab tsim khoom server, ua haujlwm ua kev pom zoo ntawm nws cov khoom ua tau zoo thiab kev ntseeg siab.
Q20:
Lo lus nug: Xav txog lub sijhawm ua haujlwm thiab cov nqi khoom muag, peb yuav tsum ntsuam xyuas qhov muaj peev xwm thiab kev ruaj khov ntawm cov neeg muab khoom capacitor tshiab. Peb yuav tsum sau cov ntaub ntawv tseem ceeb twg los ntawm cov neeg muab khoom thaum lub sijhawm sib cuag thawj zaug los ntsuam xyuas lawv cov peev xwm ntawm cov khoom xa tuaj?
Lus Teb: Peb yuav tsum tsom mus rau kev nkag siab: 1) Muaj peev xwm txhua hli/txhua xyoo rau cov khoom sib xws; 2) Lub voj voog xa khoom tam sim no; 3) Seb lawv puas txhawb nqa kev kwv yees thiab kev pom zoo xa khoom mus sij hawm ntev; 4) Cov qauv thiab cov cai tsawg kawg nkaus. Piv txwv li, ymin feem ntau muaj peev xwm txaus, lub sijhawm xa khoom kwv yees tau (piv txwv li, 8-10 lub lis piam) rau cov khoom lag luam zoo li MPS series, thiab tuaj yeem muab kev txhawb nqa qauv yooj yim thiab cov nqe lus lag luam kom tau raws li qhov xav tau ntawm kev tsim kho qhov project ntawm cov neeg siv khoom thiab kev tsim khoom loj.
Lub sijhawm tshaj tawm: Lub Ob Hlis-03-2026