Dulmar degdeg ah:MOSFET-yadu way ku fashilmi karaan sababo koronto, kulayl iyo culaysyo farsamo oo kala duwan awgeed. Fahamka hababkan guuldarrooyinka ayaa muhiim u ah naqshadaynta nidaamyada korantada ee la isku halayn karo. Hagahan dhamaystiran waxa uu sahmiyaa hababka guul darada ee caadiga ah iyo xeeladaha ka hortagga.
Hababka Fashilka MOSFET ee Caadiga ah iyo Sababahooda xididka ah
1. Guuldarrooyinka Voltage-La xidhiidha
- Burburka Albaabka oksaydhka
- Burburka barafku
- Feer-ku-dhac
- Burburka dheecaanka taagan
2. Guuldarrooyinka kulaylka la xidhiidha
- Burburka labaad
- Kulaylka cararka
- Kala saarista xirmada
- Kor u qaadida xadhigga dammaanadda
| Habka Fashilka | Sababaha Aasaasiga ah | Calaamadaha digniinta | Hababka Ka Hortagga |
|---|---|---|---|
| Burburka Gate Oxide | VGS xad dhaaf ah, dhacdooyinka ESD | Korodhka ka daadashada albaabka | Ilaalinta danabka albaabka, cabbirada ESD |
| Heerkulka Runnaway | Koronto xad dhaaf ah | Heerkulka sare u kaca, xawaaraha beddelka oo yaraada | Naqshad kuleyl ah oo habboon, derating |
| Burburka Burburka | Kor-u-qaadka korantada, beddelka kicinta ee aan xidhnayn | Wareegga gaaban ee il-biyoodka | Wareegyada snubber, xirmooyinka danabka |
Xalka MOSFET adag ee Winsok
Jiilkeenii ugu dambeeyay ee MOSFETs ayaa leh habab ilaalineed oo horumarsan:
- SOA-da la xoojiyey (Aagga ka shaqaynta badbaadada leh)
- Waxqabadka kulaylka oo la hagaajiyay
- Ilaalinta ESD-ku-dhisan
- Naqshado lagu qiimeeyay baraf-beelka
Falanqaynta Faahfaahsan ee Hababka Fashilmay
Burburka Gate Oxide
Halbeegyada Muhiimka ah:
- Korontada Albaabka-Isha ugu badan: ± 20V caadiga ah
- Dhumucda Albaabka Oxide: 50-100nm
- Xoogga Goobta Burburinta: ~ 10 MV/cm
Tallaabooyinka Ka Hortagga:
- Hirgeli xirista danabka albaabka
- Isticmaal iska caabiyeyaasha albaabka taxanaha ah
- Ku rakib TVS-daoods
- Hababka qaabaynta PCB ee habboon
Maareynta kulaylka iyo Kahortagga Fashilka
| Nooca Xidhmada | Heerkulka ugu sarreeya | Derating lagu taliyay | Xalka qaboojinta |
|---|---|---|---|
| TO-220 | 175°C | 25% | Heatsink + taageere |
| D2PAK | 175°C | 30% | Aagga Naxaasta Weyn + Kuleyliyaha Ikhtiyaarka ah |
| SOT-23 | 150°C | 40% | PCB Copper shub |
Talooyinka Naqshadeynta Aasaasiga u ah Isku hallaynta MOSFET
Qaabka PCB
- Yaree aagga wareegga albaabka
- Awood gooni ah iyo saldhigyada calaamadaha
- Isticmaal isku xirka isha Kelvin
- Wanaaji meelaynta kulaylka
Ilaalinta Wareegga
- Hirgeli wareegyada bilawga jilicsan
- Isticmaal shumacyo ku habboon
- Ku dar ilaalinta korantada gadaasha
- La soco heerkulka qalabka
Habka baaritaanka iyo baaritaanka
Nidaamka Imtixaanka MOSFET ee aasaasiga ah
- Tijaabada Halbeegyada Joogtada ah
- Korontada heerka albaabka (VGS(th))
- Isha biya-baxa iska caabbinta (RDS(daar))
- Albaabka daadinta hadda (IGSS)
- Tijaabada firfircoon
- Waqtiyada beddelka (ton, toff)
- Tilmaamaha kharashka albaabka
- awoodda wax soo saarka
Adeegyada Kobcinta Kalsoonida ee Winsok
- Dib u eegis codsi oo dhamaystiran
- Falanqaynta kulaylka iyo hagaajinta
- Tijaabada lagu kalsoonaan karo iyo xaqiijinta
- Taageerada shaybaadhka falanqaynta fashilantay
Tirakoobka Isku-kalsoonaanta iyo Falanqaynta Nolosha
Halbeegyada Kalsoonida Muhiimka ah
Heerka FIT (Guuldarada wakhtiga)
Tirada guuldarrooyinka bilyankii qalab-saacadood
0.1 - 10 FIT
Iyadoo lagu salaynayo taxanihii MOSFET ee u dambeeyay ee Winsok
MTTF (Waqtiga Ku-meel-gaadhka ah ee Guul-darrada)
Nolosha la filayo iyadoo lagu jiro xaalado cayiman
>10^6 saacadood
At TJ = 125 ° C, danab magac leh
Heerka badbaadada
Boqolkiiba aaladaha ka badbaaday muddada dammaanadda
99.9%
5 sano oo shaqo joogto ah
Qodobbada Waxyeelaynta Nolosha
| Xaalada Shaqada | Qodobka Derating | Saamaynta Nolosha |
|---|---|---|
| Heerkulka (10°C kasta oo ka sarreeya 25°C) | 0.5x | 50% hoos u dhac |
| Cadaadiska Voltage (95% ee qiimeynta ugu badan) | 0.7x | 30% hoos u dhac |
| Inta jeer ee beddelka (2x magac ahaan) | 0.8x | 20% hoos u dhac |
| Qoyaanka (85% RH) | 0.9x | 10% dhimis |
Qaybinta itimaalka cimriga
Qaybinta Weibull ee MOSFET nolosheeda oo muujinaysa guuldarrooyin hore, guuldarrooyin random-ka ah, iyo muddada daalnimada
Arrimaha Cadaadiska Deegaanka
Baaskiilka heerkulka
85%
Saamaynta dhimista nolosha
Baaskiil koronto
70%
Saamaynta dhimista nolosha
Cadaadiska Makaanikada
45%
Saamaynta dhimista nolosha
Natiijooyinka Imtixaanka Nolosha ee La Dardargeliyay
| Nooca Imtixaanka | Shuruudaha | Muddada | Heerka Fashilka |
|---|---|---|---|
| HTOL | 150°C, ugu badnaan VDS | 1000 saacadood | <0.1% |
| THB ( eexda qoyaanka heerkulka) | 85°C/85% RH | 1000 saacadood | <0.2% |
| TC (Baaskiilada heerkulka) | -55°C ilaa +150°C | 1000 wareeg | <0.3% |
Barnaamijka Hubinta Tayada ee Winsok
Tijaabada Baaritaanka
- 100% tijaabinta wax soo saarka
- Xaqiijinta cabbirka
- Sifooyin firfircoon
- Kormeer muuqaal ah
Imtixaanada U qalmida
- Baadhitaanka walaaca deegaanka
- Xaqiijinta kalsoonida
- Baaritaanka daacadnimada xirmada
- La socodka kalsoonida muddada-dheer
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