Zvigadzirwa Zvitsva |Nyamavhuvhu 4, 2023
NaNick Flaherty
AI BATTERIES / SIMBA ZVINHU
Navitas Semiconductor yakagadzira 3.2kW referensi dhizaini yeGaN-yakavakirwa magetsi ekushandisa eAI accelerator makadhi munzvimbo dzedata.
Iyo CRPS185 3 Titanium Plus server referensi dhizaini kubva kuNavitas inodarika iyo yakaomesesa 80Plus Titanium inoshanda zvinodiwa kuti isangane nekuwedzera kwesimba kudiwa kweAI data centre simba.
Simba-nzara AI processors seNvidia's DGX GH200 'Nyasha Hopper' inoda kusvika 1,600 W imwe neimwe, iri kutyaira simba-per-rack yakatarwa kubva pa30-40 kW kusvika zana kW pakhabhati.Zvichakadaro, nekutarisa kwepasirese pakuchengetedza simba uye kuderedza kuburitsa, pamwe neazvino mirau yeEurope, server simba rekushandisa rinofanirwa kudarika iyo 80Plus 'Titanium' kunyatsoita kutaurwa.
● GaN hafu yebhiriji yakabatanidzwa mupakeji imwe chete
● Chizvarwa chechitatu GaN simba IC
Iyo Navitas referensi madhizaini inoderedza nguva yekusimudzira uye inogonesa kushanda kwesimba repamusoro, kuwanda kwesimba uye mutengo wehurongwa uchishandisa GaNFast simba ICs.Aya mapuratifomu ehurongwa anosanganisira yakazara dhizaini chibatiso chine yakazara-yakaedzwa Hardware, yakamisikidzwa software, schematics, bhiri-ye-zvinhu, marongero, simulation uye hardware bvunzo mhinduro.
Iyo CRPS185 inoshandisa yazvino dhizaini dhizaini inosanganisira yakabatana CCM totem-pole PFC ine yakazara-bhiriji LLC.Izvo zvakakosha zvikamu zveNavitas 'itsva 650V GaNFast simba ICs, ine yakasimba, yakakwirira-kumhanya yakabatanidzwa GaN drive kugadzirisa kunzwisisika uye fragility nyaya dzine chekuita ne discrete GaN chips.
Iyo GaNFast simba ICs inopawo yakaderera-kuchinja kurasikirwa, iine yechinguva-voltage kugona kusvika ku800 V, uye mamwe mabhenefiti akakwira-kumhanya senge yakaderera gedhi charge (Qg), inobuda capacitance (COSS) uye hapana reverse-kudzoreredza kurasikirwa (Qrr )Sezvo kumhanyisa-kumhanya kunoderedza saizi, huremu uye mutengo wezvinhu zvisingaite mumagetsi, Navitas inofungidzira kuti GaNFast power ICs inochengetedza 5% yeLLC-stage system material cost, plus $64 per power supply in 3 years.
Dhizaini yacho inoshandisa iyo 'Common Redundant Power Supply' (CRPS) fomu-factor tsanangudzo inotsanangurwa ne hyperscale Open Compute Project, kusanganisira Facebook, Intel, Google, Microsoft, uye Dell.
● China yekugadzira nzvimbo ye data centre GaN
● 2400W CPRS AC-DC inopa ine 96% inoshanda
Uchishandisa CPRS, iyo CRPS185 chikuva inopa yakazara 3,200 W yesimba mune chete 1U (40 mm) x 73.5mm x 185 mm (544 cc), inowana 5.9 W/cc, kana ingangoita zana W/in3 simba density.Uku kuderedzwa kwe 40% saizi vs, iyo yakaenzana nhaka yesilicon nzira uye inodarika nyore mwero weTitanium kunyatsoshanda, inosvika pamusoro pe96.5% pa30% mutoro, uye pamusoro pe96% ichitambanuka kubva pa20% kusvika 60% mutoro.
Zvichienzaniswa neyakajairwa 'Titanium' mhinduro, iyo Navitas CRPS185 3,200 W 'Titanium Plus' dhizaini inoshanda payakajairwa 30% mutoro inogona kuderedza kushandiswa kwemagetsi ne757 kWh, uye kuderedza carbon dioxide inobuda ne755 kg pamakore matatu.Kudzikiswa uku kwakafanana nekuchengetedza 303 kg yemarasha.Haisi kungobatsira vatengi venzvimbo yedata kuwana mari yekuchengetedza uye kuvandudzwa kwehunyanzvi, asi inobatsirawo kune zvinangwa zvezvakatipoteredza zvekuchengetedza simba uye kuderedza kubuda.
Pamusoro pemaseva enzvimbo yedata, dhizaini yereferensi inogona kushandiswa mukushandisa senge switch/router magetsi ekushandisa, kutaurirana, uye mamwe macomputer application.
"Kuzivikanwa kweAI application seChatGPT ingori kutanga.Sezvo simba renzvimbo yedata rinowedzera ne2x-3x, kusvika ku100 kW, kuendesa simba rakawanda munzvimbo diki kwakakosha, "akadaro Charles Zha, VP uye GM weNavitas China.
"Tinokoka vagadziri vemagetsi uye vanogadzira masisitimu kuti vabatane neNavitas uye vaone kuti nzira yakakwana yekugadzira dhizaini, magadzirirwo emagetsi epamusoro anogona kudhura, uye nekumhanyisa kukwidziridzwa kwavo kweseva yeAI."
Nguva yekutumira: Sep-13-2023