3.2kW GaN zane zane don cibiyar bayanai ikon AI

Ƙirar bayanin uwar garken CRPS185 3 Titanium Plus daga Navitas ya zarce ƙaƙƙarfan buƙatun ingancin ingancin 80Plus Titanium don biyan buƙatun ƙarfin ƙarfin cibiyar bayanan AI.
Ma'aikatan AI masu fama da yunwa kamar Nvidia's DGX GH200 'Grace Hopper' suna buƙatar har zuwa 1,600 W kowannensu, suna tuƙi ƙayyadaddun bayanai na wutar lantarki daga 30-40 kW har zuwa 100 kW kowace hukuma.A halin yanzu, tare da mayar da hankali ga duniya kan adana makamashi da rage fitar da hayaki, da kuma sabbin ƙa'idodin Turai, dole ne samar da wutar lantarkin uwar garken ya wuce ƙayyadaddun ingancin 80Plus 'Titanium'.

● GaN rabin gada hadedde cikin kunshin guda
● ƙarni na uku GaN ikon IC

Ƙididdigar ƙididdiga na Navitas yana rage lokacin haɓakawa kuma yana ba da damar ingantaccen makamashi, ƙarfin ƙarfi da farashin tsarin ta amfani da GaNFast ikon ICs.Waɗannan dandamali na tsarin sun haɗa da cikakken ƙirar ƙira tare da ingantaccen kayan aikin da aka gwada, software da aka haɗa, ƙira, ƙididdiga, shimfidawa, kwaikwaiyo da sakamakon gwajin hardware.

CRPS185 tana amfani da sabbin ƙirar da'irar ciki har da CCM totem-pole PFC tare da cikakken gada LLC.Abubuwan da ke da mahimmanci sune Navitas'sabbin 650V GaNFast ikon ICs, tare da ingantacciyar hanyar haɗin GaN mai ƙarfi, mai sauri don magance hankali da al'amurra masu rauni masu alaƙa da guntuwar GaN mai hankali.
GaNFast ikon ICs kuma suna ba da hasara mai ƙarancin canzawa, tare da ƙarfin juzu'i-voltage har zuwa 800 V, da sauran fa'idodi masu sauri kamar ƙananan cajin kofa (Qg), ƙarfin fitarwa (COSS) kuma babu asarar dawo da baya (Qrr). ).Kamar yadda babban saurin sauyawa ya rage girman, nauyi da farashin abubuwan da ba a iya amfani da su ba a cikin wutar lantarki, Navitas ya kiyasta cewa GaNFast ikon ICs yana adana 5% na ƙimar tsarin tsarin LLC, da $ 64 kowace wutar lantarki a cikin shekaru 3.

Ƙirar tana amfani da ƙayyadaddun ƙayyadaddun nau'i na 'Common Redundant Power Supply' (CRPS) da aka ayyana ta hanyar Buɗaɗɗen Ƙididdigar Ƙididdigar Ƙididdigar, gami da Facebook, Intel, Google, Microsoft, da Dell.

● Cibiyar ƙira ta China don cibiyar bayanai GaN
● 2400W CPRS AC-DC wadata yana da 96% dacewa

Yin amfani da CPRS, dandalin CRPS185 yana ba da cikakken 3,200 W na iko a cikin 1U (40 mm) x 73.5mm x 185 mm (544 cc), yana samun 5.9 W/cc, ko kusan 100 W/in3 ƙarfin ƙarfin.Wannan raguwar girman 40% vs, daidaitaccen tsarin siliki na gado kuma cikin sauƙi ya wuce ma'aunin ingancin Titanium, yana kaiwa sama da 96.5% akan kaya 30%, kuma sama da 96% yana shimfiɗa daga 20% zuwa 60% lodi.

Idan aka kwatanta da mafita na 'Titanium' na al'ada, ƙirar Navitas CRPS185 3,200 W 'Titanium Plus' da ke gudana akan nauyin 30% na yau da kullun na iya rage yawan amfani da wutar lantarki da 757 kWh, kuma rage fitar da iskar carbon dioxide da kilogiram 755 sama da shekaru 3.Wannan raguwa yayi daidai da ceton kilogiram 303 na kwal.Ba wai kawai yana taimaka wa abokan cinikin cibiyar bayanai don samun tanadin farashi da inganta ingantaccen aiki ba, har ma yana ba da gudummawa ga manufofin muhalli na kiyaye makamashi da rage fitar da hayaki.

Baya ga sabar cibiyar bayanai, ana iya amfani da ƙirar ƙira a aikace-aikace kamar kayan wutan wuta / na'ura mai ba da hanya tsakanin hanyoyin sadarwa, sadarwa, da sauran aikace-aikacen kwamfuta.

"Shahararrun aikace-aikacen AI kamar ChatGPT shine farkon.Yayin da wutar lantarkin cibiyar bayanai ke ƙaruwa da 2x-3x, har zuwa 100 kW, isar da ƙarin ƙarfi a cikin ƙaramin sarari shine mabuɗin," in ji Charles Zha, VP da GM na Navitas China.

"Muna gayyatar masu zanen wutar lantarki da masu gine-ginen tsarin don yin haɗin gwiwa tare da Navitas kuma mu gano yadda cikakken taswirar hanya mai inganci, ƙira mai ƙarfi mai ƙarfi na iya farashi mai inganci, da haɓaka haɓaka sabbin sabar AI."