Tus neeg siv xaiv cov yam xav tau raws li qhov sib txawv, xws li cov khoom siv hluav taws xob, cov khoom siv hluav taws xob ntau, cov zis siab tshaj plaws tam sim no, thiab ntau lwm yam. Kab lus no qhia txog hom tam sim no, ib qho tseem ceeb uas feem ntau pom hauv cov ntaub ntawv, thiab piav qhia qhov zoo thiab qhov tsis zoo ntawm hom no.
Tam sim no hom Regulators piav qhia
Daim duab 1 qhia txog lub hauv paus ntsiab lus ntawm kev khiav hauj lwm ntawm lub hom tam sim no regulator. Ntawm no, tsis yog tsuas yog cov lus tawm tswv yim voltage piv rau qhov siv hluav taws xob sab hauv, tab sis nws kuj yog piv rau sawtooth voltage ramp siv los tsim PWM teeb liab xav tau rau kev hloov hluav taws xob. Nyob rau hauv lub voltage-hom regulator, txoj kab nqes ntawm no ramp yog tsau. Nyob rau hauv tam sim no-hom regulators, txoj kab nqes yog nyob ntawm qhov inductor tam sim no thiab yog xam los ntawm qhov ntsuas tam sim no ntawm qhov hloov ntawm qhov pom hauv daim duab 1. Ntawm no yog qhov sib txawv ntawm hom tam sim no regulators thiab voltage hom regulators. Tam sim no-hom regulators muaj ntau yam zoo. Thawj yog tias cov inductor tam sim no kho tam sim ntawd nrog kev hloov pauv hauv qhov hluav taws xob input (VIN hauv daim duab 1). Yog li, cov ntaub ntawv hais txog qhov hloov pauv hloov pauv hloov pauv ncaj qha mus rau lub voj voog tswj, txawm tias ua ntej qhov tso zis hluav taws xob (VOUT hauv daim duab 1) taug qab qhov kev tshawb pom ntawm qhov kev hloov pauv ntawm qhov input voltage.
Daim duab 1. Lub hauv paus ntsiab lus ntawm kev ua haujlwm ntawm lub tshuab tam sim no-hom regulator.
Qhov zoo ntawm tam sim no-hom tswj thev naus laus zis yog qhov pom tseeb tias feem ntau hloov regulator ICs ntawm kev ua lag luam siv txoj cai tswj hwm tam sim no.
Lwm qhov txiaj ntsig tseem ceeb yog qhov yooj yim tswj lub voj kev them nyiaj. Lub baud daim duab ntawm lub voltage hom regulator qhia ib tug ob tug ncej; Nyob rau hauv sib piv, tam sim no hom regulator generates tsuas yog ib tug ncej nyob rau hauv lub hwj chim theem, ua 90 degree theem hloov es tsis txhob ntawm 180 degree theem hloov ntawm ob tug ncej. Yog li ntawd, nws yog qhov yooj yim dua los them rau qhov tam sim no-hom regulator, thiab nws ruaj khov dua. Daim duab 2 qhia tau hais tias ib qho yooj yim hloov dua siab tshiab muaj nuj nqi rau lub hwj chim theem ntawm ib tug raug tam sim no-hom regulator.
Daim duab 2. Simplified tswj voj kev them nyiaj siv los ntawm kev tswj tam sim no-hom siv daim duab Porter qhia tsuas yog ib tus ncej hauv lub zog theem.
Txawm li cas los xij, ntxiv rau qhov zoo tau hais, tus tswj hwm kuj muaj qhov tsis zoo. Tom qab qhov kev hloov pauv hloov pauv, tus tswj hwm hom tam sim no tsis tuaj yeem siv tam sim ntawd qhov kev ntsuas tam sim no, vim tias yog tias qhov ntsuas tau ua tiav ntawm qhov no, qhov ntsuas ntsuas yuav muaj suab nrov heev. Nws yog ib qho tsim nyog yuav tsum tau tos ob peb nS rau lub suab nrov hloov pauv mus rau abate. Lub sijhawm no hu ua lub sijhawm ploj mus. Qhov no feem ntau ua rau lub sijhawm ntev me ntsis ntev dua li qhov tsawg kawg nkaus ntawm lub sijhawm ntawm voltage hom regulators. Lwm qhov tsis zoo ntawm cov tswj hwm tam sim no yog lawv lub peev xwm los tsim kom muaj kev sib haum xeeb ntawm cov oscillations. Qhov no yog qhia nyob rau hauv daim duab 3. Yog hais tias lub voj voog uas yuav tsum tau muaj ntau dua 50 feem pua, lub hom tam sim no regulator yuav alternate ntawm luv luv thiab ntev pulses. Hauv ntau daim ntawv thov, qhov no suav tias yog tsis ruaj khov thiab yuav tsum tau zam. Txhawm rau kom tsis txhob muaj qhov tsis ruaj khov no, qee qhov kev them nyiaj ramp tuaj yeem muab ntxiv rau cov khoom siv tam sim no uas tau pom hauv daim duab 1. Qhov no tso cai rau lub luag haujlwm tseem ceeb ntawm lub voj voog yuav raug kho kom zoo tshaj 50 feem pua, kom ntseeg tau tias subharmonic oscillations tsis tshwm sim txawm nyob rau hauv lub luag hauj lwm ntau dua.
Daim duab 3. Hloov cov node voltage: subharmonic oscillations nrog ib tug tam sim no-hom regulator.
Txawm hais tias cov kev txwv yav dhau los no (vim los ntawm lub sijhawm fading thiab nws cov kev txwv lub voj voog ua haujlwm) tuaj yeem hla dhau los ntawm IC tsim. Ib qho kev kho mob, piv txwv li, yog siv qhov ntsuas qis qis tam sim no, ntsuas qhov inductor tam sim no thaum tig tawm, tsis yog thaum lub sijhawm tig.
Xaus
Hauv cov ntsiab lus, qhov zoo ntawm tam sim no-hom hloov regulators outweigh lawv qhov tsis zoo nyob rau hauv feem ntau daim ntawv thov. Tsis tas li ntawd, qhov tsis zoo tuaj yeem raug hla los ntawm ntau yam kev hloov kho tshiab thiab kev txhim kho. Yog li ntawd, niaj hnub no, feem ntau hloov regulator ICs siv tam sim no-hom tswj.
Cov lus qhia ceev ceev txog NeoDen
① Tsim los ntawm 2010, 200 ntxiv rau cov neeg ua haujlwm, 8000 ntxiv Sq.m. Hoobkas
② NeoDen khoom: Ntse series PNP tshuab, NeoDen K1830, NeoDen4, NeoDen3V, NeoDen7, NeoDen6, TM220A, TM240A, TM245P, reflow cub IN6, IN12, Solder paste tshuab luam ntawv FP30406 PM,
③ Ua tiav 10000 ntxiv rau cov neeg siv khoom thoob plaws ntiaj teb
④ 30 ntxiv rau Cov Neeg Sawv Cev Thoob Ntiaj Teb uas muaj nyob hauv Asia, Europe, America, Oceania thiab Africa
⑤ R&D Center: 3 R&D chav haujlwm nrog 25 tus kws tshaj lij R & D engineers
⑥ Sau nrog CE thiab tau txais 50 ntxiv patents
⑦ 30 ntxiv rau kev tswj xyuas zoo thiab kev txhawb nqa engineers, 15 ntxiv rau kev muag khoom thoob ntiaj teb, raws sij hawm cov neeg siv khoom teb tsis pub dhau 8 teev, kev daws teeb meem hauv 24 teev
Ntxiv: No.18, Tianzihu Avenue, Tianzihu Town, Anji County, Huzhou City, Zhejiang Province, Suav teb
Xov tooj: 86-571-26266266