Ngwaahịa ọhụrụ |Ọgọst 4, 2023
Nke Nick Flaherty dere
AKWỤKWỌ BATERI / IKE
Navitas Semiconductor ewepụtala ihe nrụtụ aka 3.2kW maka ọkụ sitere na GaN maka kaadị ngwa ngwa AI na ebe data.
Ihe nrụtụ aka nke ihe nkesa CRPS185 3 Titanium Plus sitere na Navitas karịrị ihe arụmọrụ 80Plus Titanium chọrọ iji gboo mkpa ike na-abawanye nke ike etiti data AI.
Ndị na-arụ ọrụ AI na-agụ ike dị ka Nvidia's DGX GH200 'Grace Hopper' chọrọ ihe ruru 1,600 W nke ọ bụla, na-ebu nkọwapụta ike-kwa-rack site na 30-40 kW ruo 100 kW kwa kọbọd.Ka ọ dị ugbu a, na mgbadoba anya zuru ụwa ọnụ na nchekwa ike na mbelata ikuku, yana ụkpụrụ European kachasị ọhụrụ, akụrụngwa ike nke sava ga-agafe nkọwapụta arụmọrụ 80Plus 'Titanium'.
● GaN ọkara akwa jikọtara n'ime otu ngwugwu
● Ọgbọ nke atọ GaN ike IC
Atụmatụ ntụaka Navitas na-ebelata oge mmepe ma mee ka ike dị elu, ike ike na ọnụ ahịa usoro site na iji GaNFast ike IC.Usoro nyiwe usoro ndị a gụnyere nkwekọrịta imewe zuru oke yana ngwaike anwalela nke ọma, sọftụwia etinyere, schematics, ụgwọ ihe, okirikiri nhọrọ ukwuu, simulation na ngwaike.
Ihe CRPS185 na-eji atụmatụ sekit kachasị ọhụrụ gụnyere CCM totem-pole PFC nwere njikọ zuru oke.Ihe ndị dị mkpa bụ Navitas' ọhụrụ 650V GaNFast ike ICs, yana ngwa ngwa GaN agbakwunyere siri ike, dị elu iji lebara nsogbu uche na adịghị ike jikọtara ya na ibe GaN pụrụ iche.
Ike GaNFast ICs na-enyekwa mfu mgbanwe mgbanwe dị oke ala, yana ikike nke na-agafe agafe ruo 800 V, yana uru ndị ọzọ dị elu dị ka ụgwọ ọnụ ụzọ dị ala (Qg), ikike mmepụta (COSS) na enweghị mgbake mgbake (Qrr). ).Dị ka mgbanwe ọsọ ọsọ na-ebelata nha, ịdị arọ na ọnụ ahịa nke ihe ndị na-agafe agafe na ọkụ ọkụ, Navitas na-eme atụmatụ na GaNFast ike IC na-echekwa 5% nke ụgwọ ihe onwunwe nke LLC-stage, gbakwunyere $ 64 maka ọkụ eletrik karịa afọ 3.
Nhazi ahụ na-eji nkọwapụta ihe 'Common Redundant Power Supply' (CRPS) nke hyperscale Open Compute Project kọwara, gụnyere Facebook, Intel, Google, Microsoft na Dell.
● China imewe center maka data center GaN
● 2400W CPRS AC-DC ọkọnọ nwere 96% arụmọrụ
N'iji CPRS, ikpo okwu CRPS185 na-enye ike 3,200 W zuru ezu na 1U (40 mm) x 73.5mm x 185 mm (544 cc), na-enweta 5.9 W / cc, ma ọ bụ ihe fọrọ nke nta ka ọ bụrụ 100 W / in3 ike njupụta.Nke a bụ mbelata nha 40% vs, usoro silicon nketa dabara na ngwa ngwa karịa ọkọlọtọ arụmọrụ Titanium, na-eru ihe karịrị 96.5% na ibu 30%, yana karịa 96% na-agbatị site na 20% ruo 60% ibu.
Tụnyere ngwọta 'Titanium' ọdịnala, Navitas CRPS185 3,200 W 'Titanium Plus' imewe na-agba ọsọ n'ụdị ibu 30% nwere ike ibelata oriri eletrik site na 757 kWh, wee belata ikuku carbon dioxide site na 755 kg n'ime afọ 3.Mbelata a bụ ịzọpụta 303 kg nke coal.Ọ bụghị naanị na ọ na-enyere ndị ahịa ụlọ ọrụ data aka inweta nchekwa ego na nkwalite arụmọrụ, mana ọ na-enye aka na ebumnuche gburugburu ebe nchekwa nchekwa na mbelata ikuku.
Na mgbakwunye na sava etiti data, enwere ike iji atụmatụ ntụnye aka na ngwa ndị dị ka ọkụ ọkụ ọkụ ọkụ / rawụta, nkwukọrịta, na ngwa mgbako ndị ọzọ.
“Ebu ewu nke ngwa AI dị ka ChatGPT bụ mmalite.Dị ka ike data center rack na-abawanye site na 2x-3x, ruo 100 kW, na-ebuga ike karịa na obere oghere bụ isi," Charles Zha, VP na GM nke Navitas China kwuru.
"Anyị na-akpọ ndị na-emepụta ike na ndị na-ese ụkpụrụ ụlọ ka ha na Navitas na-arụkọ ọrụ wee chọpụta ka usoro ụzọ zuru oke nke arụmọrụ dị elu, ike dị elu nwere ike isi na-eri ego nke ọma, ma na-aga n'ihu na-emewanyewanye ihe nkesa AI ha."
Oge nzipu: Sep-13-2023