Cov ntaub ntawv tshiab txhim kho MOSFET kev ua tau zoo

Cov Ntsiab Cai thiab Kev Sib Tw ntawm MOSFET
MOSFET yog ib qho kev cuam tshuam ntawm cov khoom siv hluav taws xob uas tso siab rau kev tswj hluav taws xob thiab tau siv dav hauv kev tswj hwm hluav taws xob, kev tsav lub cev muaj zog, lub teeb liab amplification, thiab lwm yam. Nrog rau qhov xav tau ntau ntxiv rau lub zog ceev, hloov ceev, thiab kev ua haujlwm hauv cov khoom siv hluav taws xob, cov kev txwv. ntawm cov tsoos MOSFETs hauv cov ntaub ntawv thiab cov txheej txheem tau dhau los ua pom tseeb, feem ntau tshwm sim raws li:

Nyuaj hauv kev txo cov kev tawm tsam:Cov tsoos silicon-raws li MOSFETs ntsib teeb meem ntau ntxiv hauv kev txo qis ntawm kev tiv thaiv thaum txo qhov loj me, uas txwv tsis pub lawv cov kev ua tau zoo hauv kev siv hluav taws xob siab thiab kev siv ntau zaus.

Qhov tsis sib xws ntawm kev ua haujlwm siab thiab kev ua haujlwm kub dissipation:Thaum txhim kho kev ua haujlwm siab, kev ua kom cov cua sov dissipation tau dhau los ua ib qho kev sib tw, tshwj xeeb tshaj yog nyob rau hauv high-frequency thiab high-temperature ua hauj lwm ib puag ncig uas ib txwm cov ntaub ntawv nyuaj rau ua tau raws li cov kev cai.

Daim ntawv thov thiab qhov zoo ntawm cov ntaub ntawv tshiab
Tau ntsib nrog cov kev cov nyom ntawm cov tsoos MOSFETs, kev qhia txog cov ntaub ntawv tshiab tau coj cov kev daws teeb meem tshiab rau kev txhim kho kev ua tau zoo, feem ntau suav nrog cov ntaub ntawv hauv qab no:

Silicon carbide (SiC)
Silicon carbide muaj cov yam ntxwv zoo xws li qhov dav bandgap, siab thermal conductivity, thiab siab tawg hluav taws xob teb lub zog, ua SiC raws li MOSFETs ua tau zoo nyob rau hauv high-temperature, high-voltage, thiab high-frequency daim ntaub ntawv. Piv nrog cov tsoos silicon-based MOSFETs, SiC MOSFETs muaj qhov zoo hauv qab no:

Tsawg zog:SiC MOSFETs tuaj yeem ua tiav qis dua ntawm kev tiv thaiv ntawm cov hluav taws xob ntau dua, yog li txo qis zog.

Superior tshav kub dissipation kev ua tau zoo:Lub siab thermal conductivity ntawm SiC cov khoom ua rau lub cuab yeej muaj peev xwm ua kom muaj cua sov zoo dua nyob rau hauv qhov kub thiab txias, ua rau nws tsim nyog rau kev siv hluav taws xob siab.

Superior high-frequency kev ua tau zoo:SiC MOSFET muaj qhov hloov pauv qis thiab tsim nyog rau kev siv hluav taws xob ntau zaus xws li inverters thiab DC-DC converters.

Gallium Nitride (GN)
Gallium nitride, raws li cov khoom siv semiconductor thib peb, tau nyiam ntau yam vim nws qhov dav bandgap, siab electron txav tau, thiab siab tawg hluav taws xob lub zog. GaN MOSFET muaj qhov tshwj xeeb zoo hauv kev ua haujlwm piv rau SiC:

Faster high-frequency teb:GaN MOSFET muaj qhov hloov pauv nrawm dua li SiC, ua rau nws tsim nyog rau cov khoom siv sib txuas lus ceev thiab cov khoom siv hluav taws xob ntau zaus.

Cov khoom siv me me:Vim lub zog tawg hluav taws xob siab ntawm GaN cov khoom siv, GaN MOSFET tuaj yeem ua kom me me nyob rau hauv tib lub zog tiv taus, uas yuav pab ua kom muaj kev sib txuam ntau dua.

Higher zog efficiency:Hauv kev siv ntau zaus, GaN MOSFETs muaj kev hloov pauv qis dua thiab tag nrho cov kev siv hluav taws xob ntau dua, ua rau lawv tshwj xeeb rau kev siv hauv tsheb hluav taws xob thiab cov khoom siv hluav taws xob.

Gallium oxide (Ga2O3)
Raws li cov khoom siv dav dav dav dav, gallium oxide tau pom muaj peev xwm zoo. Qhov dav bandgap ntawm Ga2O3 ua rau nws muaj peev xwm ua tau rau cov ntawv thov nyob rau hauv high-pressure thiab high-temperature teb.

Ultra high voltage kuj:Ga2O3 MOSFET tuaj yeem ua haujlwm nyob rau hauv cov chaw hluav taws xob tsis tshua muaj siab, ua rau nws tsim nyog rau kev siv hluav taws xob hluav taws xob ultra-high voltage.

Tsawg tus nqi peev xwm:Muab piv rau SiC thiab GaN, Ga2O3 cov khoom muaj peev xwm muaj peev xwm ntau dua thiab xav tias yuav dhau los ua kev lag luam kev lag luam rau cov khoom siv hluav taws xob siab rau yav tom ntej.

Daim ntawv thov xwm txheej thiab yav tom ntej Trends ntawm cov ntaub ntawv tshiab hauv MOSFETs
Kev ua lag luam thov xwm txheej
SiC MOSFETs tau siv dav hauv thaj chaw xws li tsheb hluav taws xob, daim phiaj hluav taws xob, thiab kev tswj hwm kev lag luam. Tshwj xeeb tshaj yog nyob rau hauv hluav taws xob tsheb, kev ua tau zoo thiab high voltage kuj ntawm SiC MOSFETs pab txhim kho roj teeb efficiency thiab tag nrho endurance. GaN MOSFETs ua tau zoo hauv cov khoom siv them nyiaj ceev thiab cov chaw sib txuas lus siab. Nws daim ntawv thov hauv thaj chaw xws li 5G hauv paus chaw nres tsheb thiab kev sib txuas lus satellite tau maj mam nthuav dav. Txawm hais tias gallium oxide MOSFETs tseem nyob rau hauv kev tshawb fawb thiab kev loj hlob theem, lawv lub peev xwm tau pom dav dav.

Kev Txhim Kho Yav Tom Ntej
Nrog kev nce qib txuas ntxiv ntawm cov khoom siv thev naus laus zis tshiab, kev ua haujlwm ntawm MOSFET cov cuab yeej yuav txuas ntxiv txhim kho. Kev txhim kho yav tom ntej yuav muaj xws li:

Kev sib koom ua ke ntawm ntau yam khoom siv:MOSFETs ua los ntawm cov ntaub ntawv sib txawv yuav siv lawv cov txiaj ntsig zoo hauv cov ntawv thov sib txawv, ua kom muaj txiaj ntsig ntxiv. Piv txwv li, SiC thiab GaN MOSFETs yuav ua hauj lwm ua ke nyob rau hauv high voltage thiab high zaus daim ntawv thov.

Kev sib xyaw ntawm cov cuab yeej:Nrog rau kev nce qib ntawm thev naus laus zis, cov khoom siv sib xyaw ua ke MOSFET yuav dhau los ua qhov sib txawv, sib xyaw cov khoom sib txawv thiab cov yam ntxwv ntawm cov cuab yeej siv rau hauv ib lub nti kom ua tiav lub zog hloov dua siab tshiab thiab kev tswj hwm.

Kev tshawb nrhiav tsis tu ncua ntawm cov ntaub ntawv tshiab:Ntxiv rau SiC, GaN, thiab Ga2O3 uas twb muaj lawm, tej zaum yuav muaj ntau cov ntaub ntawv tshiab nrhiav tau thiab siv rau yav tom ntej, xws li pob zeb diamond, ultra wide bandgap oxides, thiab lwm yam, uas yuav txhawb kev txhim kho ntawm MOSFET technology.

http://www.trrsemicon.com/transistor/mosfet-transistor/irlml2246trpbf.html