Kuthetsa Vuto la Kupereka Mphamvu kwa Ma CPU/GPU a AI Server: Momwe Mungakhazikitsire Mafunde Osakhalitsa a Nanosecond-Level? Momwe Mungasefe Phokoso la MHz?

Chidule: Kuwonjezeka kwa mphamvu ya makompyuta ya ma chips a AI kukukankhira maukonde awo amagetsi mpaka malire awo. Mphamvu yamagetsi yapakati imatsika kufika pa 0.8-1.2V, ndipo mafunde amagetsi amtundu umodzi amafika mazana a ma amps, zomwe zimapangitsa kuti pakhale mipata yamagetsi ya nanosecond-level (10-100ns) ndi kusokoneza phokoso la MHz-level switching noise pa VRM output. Ma capacitor achikhalidwe, chifukwa cha ESR yawo yayikulu komanso impedance yapamwamba kwambiri, akhala cholepheretsa kukhazikika kwa dongosolo, pomwe mayankho apamwamba apadziko lonse lapansi amakhala pachiwopsezo cha unyolo woperekera. Nkhaniyi ikuwunika zizindikiro zitatu zazikulu za magetsi ndipo imagwiritsa ntchito deta yoyesedwa kuchokera ku YMIN MPS series ultra-low ESR multilayer solid capacitors (conductive polymer chip aluminium electrolytic capacitors) monga chitsanzo chopatsa mainjiniya njira yosinthira yodalirika kwambiri yomwe imakwaniritsa miyezo yapadziko lonse lapansi komanso yokhala ndi unyolo woperekera wodziyimira pawokha komanso wowongolera.

Chiyambi: "Woyang'anira Wosaoneka" wa Mphamvu Yopereka Mphamvu Akufotokozedwanso

Kwa ma seva a AI omwe akufuna mphamvu yayikulu yogwiritsira ntchito makompyuta, mphamvu yolimba (PI) ndiye maziko a kukhazikika. Kukwera kwa mphamvu ya nanosecond ya ma CPU/GPU kuli ngati "mphepo yamkuntho." Ngati capacitor yotulutsa ya VRM singabwezeretse mphamvu mwachangu panthawi yawindo lopanda mphamvu la nanosecond lisanayambe kuyankha (microseconds), imayambitsa mwachindunji kutsika kwa mphamvu yapakati, zomwe zimapangitsa kuti zolakwika zowerengera kapena kuchepetsa ma frequency. Nthawi yomweyo, ngati phokoso losinthira la MHz sililowetsedwa, lidzasokoneza ma signal othamanga kwambiri. Chifukwa chake, capacitor yotulutsa yasinthidwa kuchoka pa "kusefa koyambira" kupita ku buffer yomaliza yosungira mphamvu ndi njira yotulutsira phokoso kuti "itetezedwe moyenera."

Zizindikiro Zitatu Zazikulu: Chifukwa Chiyani Mayankho Achikhalidwe Amalephera?

Thandizo la Nanosecond-Level Transient: ESR ndiye chinthu chofunikira kwambiri. Liwiro la yankho limadalira kukana kwamkati; ESR yotsika kwambiri ya ≤3mΩ ndi malire olimba kuti akwaniritse kutulutsidwa mwachangu kwa nanosecond-level charge.

Kuletsa Phokoso la MHz: Makhalidwe a Kuletsa Ma Frequency Kwambiri Ndi Ofunika Kwambiri. Capacitor iyenera kukhala ndi impedance yochepa kwambiri pa switching frequency ndi ma harmonics ake kuti ipereke njira yothandiza yopita pansi kuti phokoso liziyenda bwino, kuonetsetsa kuti zizindikiro za PCIe/DDR zikuyenda bwino.

Kutentha Kwambiri ndi Nthawi Yaitali: Kugwirizana ndi Mikhalidwe Yovuta Yogwirira Ntchito ya 7x24h ya Data Centers Kukhala ndi moyo wa maola 2000 pa 105℃ ndi mphamvu yamagetsi yothamanga kwambiri (>10A) ndikofunikira kwambiri pothana ndi kupsinjika kwa kutentha kwambiri kwa nthawi yayitali komanso kuchepetsa ndalama zogwirira ntchito ndi kukonza.

Kukhazikitsa Njira Yankho: YMINMndandanda wa MPS- Chisankho Chapamwamba Chapadziko Lonse Chogwirizana ndi Miyezo Yapadziko Lonse

Mndandanda wa YMIN MPS umayang'ana mwachindunji mavuto omwe ali pamwambapa, ndi magawo ofunikira ofanana ndi makampani otsogola apadziko lonse lapansi (monga mndandanda wa Panasonic GX), omwe akuwonetsa magwiridwe antchito apamwamba kwambiri pakuyesa zenizeni.

Kufotokozera Kwachidule: Mzere wa capacitance/ESR ndi wosalala pa kutentha konse. Pambuyo pa maola 2000 a kuyesa kukalamba, kuwonongeka kwa magawo kumakhala bwino kuposa avareji yamakampani. Zambiri zoyeserera zitha kupezeka patsamba lovomerezeka.

Mafunso ndi Mayankho

Q: Kodi mungatsimikizire bwanji mphamvu yothandizira ya nanosecond ya ma capacitor a MPS mu projekiti inayake?

A: Ndikofunikira kuchita mayeso enieni pa bolodi lolunjika: Gwiritsani ntchito katundu wamagetsi kuti muyerekezere sitepe yamagetsi yachip (monga 100A/100ns), ndikuyang'anira nthawi yomweyo kutsika kwa magetsi pogwiritsa ntchito probe yapamwamba kwambiri. Yerekezerani mafunde amagetsi musanayambe ndi mutasintha capacitor ya MPS; nthawi yotsika komanso nthawi yochira mwachangu imapereka umboni wolunjika.

Pomaliza: Mu nthawi ya mphamvu ya makompyuta, kukhazikika n'kofunika kwambiri.

Chifukwa cha mpikisano wa mphamvu zamakompyuta komanso kudzidalira pa unyolo wopereka zinthu, gawo lililonse la unyolo wopereka zinthu zamagetsi ndilofunika kwambiri pa mpikisano wa makina.Mndandanda wa YMIN MPS, yokhala ndi deta yake yoyesera magwiridwe antchito yoyesedwa padziko lonse lapansi, mayankho ofulumira ochokera ku unyolo woperekera zinthu zakomweko, komanso zabwino zamtengo, imapereka njira yodalirika yakunyumba yoperekera magetsi a seva ya AI, zomwe zimathandiza kuti zomangamanga za AI zaku China zipitirire kukula nthawi yayitali komanso mokhazikika.

Chidule cha Mapeto

Zochitika Zogwira Ntchito:Ma terminal otulutsa a VRM a ma seva a AI/ma seva apakompyuta ogwira ntchito kwambiri ma CPU/ma GPU.

Ubwino Waukulu:Kuyankha kwakanthawi kwa Nanosecond-level (ESR≤3mΩ), kuletsa phokoso la MHz kogwira ntchito bwino, moyo wautali wotentha kwambiri (105℃/2000h), njira ina yapakhomo yapamwamba kwambiri.

Chitsanzo Chovomerezeka:Ma capacitor olimba a YMIN MPS ocheperako kwambiri a ESR okhala ndi zigawo zambiri (ma capacitor a electrolytic a polymer chip a aluminiyamu) (monga MPS471MOED19003R).

【Kuyesa ndi Kulengeza Deta】

1. Gwero la Deta: Gwero la deta ndi kulengeza mayeso:

Deta ya mndandanda wa YMIN MPS imachokera ku deta yake yovomerezeka.

Deta ya mndandanda wa Panasonic GX yatchulidwa kuchokera pa datasheet yake yomwe ikupezeka pagulu. Zizindikiro zazikulu za magwiridwe antchito (monga ESR ndi ripple current) zatsimikiziridwa ndi labotale yathu pogwiritsa ntchito zida zathu pa zitsanzo zogulidwa (zogulidwa kudzera munjira za anthu onse) pansi pa mikhalidwe yofanana yoyesera.

Kuyerekeza magwiridwe antchito m'nkhaniyi kumachokera ku magwero omwe ali pamwambapa ndipo cholinga chake ndi kupereka kusanthula kwaukadaulo kopanda tsankho.

2. Cholinga Choyesera: Mayeso onse amachitidwa pansi pa mikhalidwe yofanana kuti apatse mainjiniya kufananiza koyenera komanso koyenera kwa magwiridwe antchito aukadaulo.

3. Zoletsa: Zotsatira za mayeso ndizovomerezeka pa zitsanzo zomwe zaperekedwa pokhapokha ngati pali mikhalidwe inayake yoyesera. Magulu osiyanasiyana ndi njira zoyesera zingayambitse kusiyana kwa deta.

4. Zizindikiro ndi Katundu Wanzeru: Mawu akuti "Panasonic," "松下," ndi "GX series" omwe atchulidwa mu chikalatachi ndi zizindikiro kapena mayina a mndandanda wazinthu za eni ake ndipo amagwiritsidwa ntchito pongozindikira zinthu zomwe zili muyeso. Kuyerekeza deta mu chikalatachi sikutanthauza kuvomereza kapena kuzindikira zinthu zathu ndi Panasonic, komanso sikuti cholinga chake ndi kuzinyoza.

5. Kutsimikizira Kotseguka: Timalandira kusinthana kwaukadaulo ndi kutsimikizira kutengera miyezo ndi zikhalidwe zofanana.