Isishwankathelo esiKhawulezayo:I-MOSFETs inokusilela ngenxa yombane, i-thermal, kunye noxinzelelo lomatshini. Ukuqonda ezi ndlela zokungaphumeleli kubalulekile ekuyileni iinkqubo ezithembekileyo zombane wombane. Esi sikhokelo sibanzi sihlola iindlela zokungaphumeleli eziqhelekileyo kunye nezicwangciso zokuthintela.
Iindlela eziQhelekileyo zokungaphumeleli kwe-MOSFET kunye noonobangela bazo
1. Ukusilela okuNxulumene neVoltage
- Ukuqhekeka kwesango le-oxide
- Ukuqhekeka kweAvalanche
- I-Punch-through
- Umonakalo wokukhupha iStatic
2. Iintsilelo ezinxulumene ne-Thermal
- Ukwahlulahlula okwesibini
- Ukubaleka kwe-thermal
- Package delamination
- Bond wire lift-off
| Imo Yokusilela | Oonobangela abaphambili | Iimpawu ezilumkisayo | Iindlela Zokuthintela |
|---|---|---|---|
| Ukuqhekeka kweSango oxide | I-VGS egqithisileyo, imicimbi ye-ESD | Ukonyuka kokuvuza kwesango | Ukhuseleko lwamandla ombane wesango, imilinganiselo ye-ESD |
| I-Thermal Runaway | Ukutshatyalaliswa kwamandla ngokugqithisileyo | Ukunyuka kobushushu, ukunciphisa isantya sokutshintsha | Uyilo olufanelekileyo lwe-thermal, ukuhla |
| Ukuqhekeka kweAvalanche | I-voltage spikes, i-inductive switching engafakwanga | Umsele-umthombo wesekethe emfutshane | Iisekethe ze-snubber, i-voltage clamps |
Winsok kaThixo Robust MOSFET Solutions
Isizukulwana sethu samva nje se-MOSFET sibonisa iindlela zokhuseleko ezikumgangatho ophezulu:
- I-SOA ephuculweyo (iNdawo yokuSebenza eKhuselekileyo)
- Ukuphuculwa kokusebenza kwe-thermal
- Ukhuseleko olwakhelwe ngaphakathi lwe-ESD
- Uyilo lweAvalanche-rated
Uhlalutyo oluneenkcukacha lweeNdlela zokuSilela
Ukuqhekeka kweSango oxide
IiParameters ezibalulekileyo:
- Ubuninzi beSango-Umthombo wombane: ± 20V eqhelekileyo
- Ukutyeba kwe-Oxide yeSango: 50-100nm
- Amandla oMmandla wokuqhekeka: ~ 10 MV/cm
Amanyathelo oThintelo:
- Qalisa ukuqina kombane wesango
- Sebenzisa izixhasi zesango ezilandelelanayo
- Faka ii-TVS diodes
- Imisebenzi eyiyo yoyilo lwePCB
Ulawulo lwe-Thermal kunye noThintelo lokungaphumeleli
| Uhlobo lwePakethe | Temp | Derating ecetyisiweyo | Ukupholisa Isisombululo |
|---|---|---|---|
| UKUYA-220 | 175°C | 25% | I-Heatsink + Fan |
| D2PAK | 175°C | 30% | Indawo enkulu yobhedu + i-Heatsink eKhethekileyo |
| I-SOT-23 | 150°C | 40% | PCB Copper Pour |
Iingcebiso zoYilo oluBalulekileyo loNtembeko lweMOSFET
Uyilo lwePCB
- Nciphisa indawo yesango leluphu
- Ukwahlula amandla kunye neendawo zomqondiso
- Sebenzisa uqhagamshelo lomthombo weKelvin
- Lungiselela ukubekwa kwe-thermal vias
Ukhuseleko lweSekethe
- Sebenzisa iisekethe eziqala ngokuthambileyo
- Sebenzisa i-snubbers efanelekileyo
- Yongeza ukhuseleko lwamandla ombane
- Beka iliso kwisixhobo sobushushu
Iinkqubo zokuxilonga kunye noVavanyo
Inkqubo yoVavanyo lwe-MOSFET esisiseko
- Uvavanyo lweeParamitha ezimileyo
- Umbane wesango lomda wombane (VGS(th))
- Umsele-umthombo on-resistance (RDS(on))
- Ukuvuza kwesango langoku (IGSS)
- Uvavanyo olunamandla
- Amaxesha okutshintsha (toni, toff)
- Iimpawu zentlawulo yesango
- Umthamo wemveliso
Iinkonzo zokuphucula ukuthembeka kweWinsok
- Uphononongo olubanzi lwesicelo
- Uhlalutyo lwe-Thermal kunye nokuphucula
- Ukuvavanya ukuthembeka kunye nokuqinisekiswa
- Ukungaphumeleli uhlalutyo lwenkxaso yelabhoratri
Ukuthembeka kweNkcazo kunye noHlalutyo lobomi
IiMetrikhi zoNtembeko eziphambili
Ireyithi yeFIT (Ukusilela ngexesha)
Inani lokusilela ngebhiliyoni nganye yeeyure zesixhobo
0.1 - 10 FIT
Ngokusekwe kuthotho lwamva nje lwe-MOSFET lweWinsok phantsi kweemeko ezingephi
I-MTTF (ixesha elililo lokusilela)
Ubomi obulindelekileyo phantsi kweemeko ezithile
>10^6 iiyure
Kwi-TJ = 125 ° C, i-voltage yegama
Ireyithi yokusinda
Ipesenti yezixhobo ezisindayo ngaphaya kwexesha lewaranti
99.9%
Kwiminyaka emi-5 yokusebenza ngokuqhubekayo
Ubomi bonke Derating Factors
| Imeko yokusebenza | I-Derating Factor | Impembelelo kuBomi bonke |
|---|---|---|
| Iqondo lobushushu (nge-10°C ngaphezulu kwe-25°C) | 0.5x | I-50% yokunciphisa |
| Uxinzelelo lweVoltage (95% yomlinganiselo omkhulu) | 0.7x | I-30% yokunciphisa |
| Ukutshintsha iFrequency (2x ngobizo) | 0.8x | I-20% yokunciphisa |
| Ukufuma (85% RH) | 0.9x | I-10% yokunciphisa |
Lifetime Probability Distribution
Ukusasazwa kwe-Weibull kubomi be-MOSFET ebonisa ukusilela kwangoko, ukusilela okungahleliweyo, kunye nexesha eligugileyo
Imiba yoxinzelelo lwendalo esingqongileyo
Ubushushu bokukhwela ibhayisekile
85%
Impembelelo ekuncitshisweni kobomi bonke
UkuHamba ngeBhayisikile ngamandla
70%
Impembelelo ekuncitshisweni kobomi bonke
Uxinzelelo loomatshini
45%
Impembelelo ekuncitshisweni kobomi bonke
Iziphumo zoVavanyo loBomi olukhawulezileyo
| Uhlobo loVavanyo | Iimeko | Ubude bexesha | Inqanaba lokusilela |
|---|---|---|---|
| I-HTOL (uBomi bokuSebenza ngobushushu obuphezulu) | 150°C, Max VDS | 1000 iiyure | < 0.1% |
| THB (I-Temperature Humidity Bias) | 85°C/85% RH | 1000 iiyure | < 0.2% |
| I-TC (i-Temperature Cycling) | -55°C ukuya +150°C | 1000 imijikelo | < 0.3% |
Inkqubo yoQinisekiso loMgangatho weWinsok
Uvavanyo lokuhlola
- I-100% yovavanyo lwemveliso
- Ukuqinisekiswa kweParameter
- Iimpawu ezinamandla
- Ukuhlolwa okubonakalayo
Iimvavanyo zokufaneleka
- Ukuhlolwa koxinzelelo lwendalo
- Ukuqinisekisa ukuthembeka
- Uvavanyo lwengqibelelo yephakheji
- Ixesha elide lokubeka iliso lokuthembeka
-
Ukuhlalutya uPhuculo loPhuculo kunye noKuphela kwe-MOSFET
-
Malunga nomqhubi we-MOSFET
-
Ngaba uyayazi inkcazo yeMOSFET?
-
Uthini umgaqo wokusebenza kweMOSFET?
-
CMS8H1213 MCU Cmsemicon® Package SSOP24 Iqela 24+
-
Indlela yokumisela ukuba i-MOSFET yamandla aphezulu itshisiwe...
-
PCM3360Q Umgangatho ophezulu wokusebenza amacandelo e-elektroniki...
-
Ipakethe ye-MOSFET yoTshintsho loKhetho lweTubhu kunye neSetyhula...
-
Indima yee-MOSFET kwiisekethe
-
Inkcazo yepharamitha nganye yamandla eMOSFETs
-
Indlela yokukhetha i-MOSFET?
-
Ukwenza usetyenziso lwaMandla aPhezulu: Winsok Mosfet...
-
Idla ngokusetyenziswa SMD MOSFET ipakethe pinout ulandelelwano...
-
Izikhonkwane ezithathu zeMOSFET, ndingabaxelela njani...
-
Ndingawubona njani umahluko phakathi kweMosfets...
-
Uhlalutyo lweparamitha kunye nomlinganiselo weeMOSFETs
