Gushyira ahagaragara igishushanyo n'ikorwa rya Silicon Carbide (SiC) Chips: Kuva ku by'ibanze kugeza ku ikoreshwa

Silicon Carbide (SiC) MOSFET ni ibikoresho bya semiconductor bifite ingufu nyinshi kandi byabaye ingenzi mu nganda kuva ku binyabiziga bikoresha amashanyarazi n'ingufu zishobora kuvugururwa kugeza ku byuma bikora. Ugereranije na silicon (Si) MOSFET zisanzwe, SiC MOSFET zitanga imikorere myiza mu bihe bikomeye, harimo ubushyuhe bwinshi, voltage, na frequencies. Ariko, kugera ku mikorere myiza mu bikoresho bya SiC birenga gusa kubona substrates nziza na epitaxial layers - bisaba igishushanyo mbonera cyimbitse n'uburyo bugezweho bwo gukora. Iyi nkuru itanga ubushakashatsi bwimbitse ku miterere y'igishushanyo mbonera n'uburyo bwo gukora butuma SiC MOSFET zikora neza.

1. Igishushanyo mbonera cy'imishinga ya Chip: Imiterere nyayo kugira ngo ikore neza cyane

Igishushanyo cya SiC MOSFET gitangirana n'imiterere yaagace ka SiC, ari na yo shingiro ry'imiterere yose y'igikoresho. Chip isanzwe ya SiC MOSFET igizwe n'ibice byinshi by'ingenzi ku buso bwayo, birimo:

• Source Pad

• Irembo ry'Irembo

• Kelvin Source Pad

ItsindaImpeta yo Guhagarika Inkombe(cyangwaImpeta y'igitutu) ni ikindi kintu cy'ingenzi giherereye hafi y'inkombe za chip. Iyi mpeta ifasha kunoza ingufu z'amashanyarazi mu kugabanya ubwinshi bw'amashanyarazi ku nkengero za chip, bityo ikarinda amazi kuva mu kirere no kongera ubwiza bw'igikoresho. Ubusanzwe, Edge Termination Ring ishingiye kuKwagura Ihererekanya ry'Amahuriro (JTE)imiterere, ikoresha doping yimbitse kugira ngo yoroshye ikwirakwizwa ry'amashanyarazi no kunoza voltage yo kwangirika kwa MOSFET.

2. Utunyangingo dukora: Ishingiro ry'imikorere yo guhinduranya

ItsindaUtunyangingo dukoraMuri SiC MOSFET ni zo zishinzwe kuyobora no guhinduranya umuriro. Izi selile zitondetse icyarimwe, umubare w’iseli ukagira ingaruka ku buryo butaziguye ku bushobozi bwose bwo kurinda umuriro (Rds (on)) n’ubushobozi bw’amashanyarazi y’igikoresho. Kugira ngo imikorere irusheho kuba myiza, intera iri hagati y’iseli (izwi nka "cell pitch") iragabanuka, bigatuma imikorere y’amashanyarazi muri rusange irushaho kuba myiza.

Uturemangingo dukora dushobora gushushanywa mu buryo bubiri bw'ibanze:planerinaumuyoboroimiterere. Imiterere y’imirongo, nubwo yoroshye kandi yizewe kurushaho, ifite imbogamizi mu mikorere bitewe n’intera y’uturemangingo. Ibinyuranye n’ibyo, imiterere y’imirongo yemerera imiterere y’uturemangingo ifite ubucucike bwinshi, ikagabanya Rds (on) kandi igatuma habaho imicungire y’umuyoboro mwinshi w’amashanyarazi. Nubwo imiterere y’imirongo irimo gukundwa cyane bitewe n’imikorere yayo myiza, imiterere y’imirongo iracyatanga urwego rwo hejuru rw’ubwirinzi kandi ikomeje kunozwa kugira ngo ikoreshwe mu buryo bwihariye.

3. Imiterere ya JTE: Kunoza uburyo Voltage Blocking ikoreshwa

ItsindaKwagura Ihererekanya ry'Amahuriro (JTE)Imiterere ni ingenzi mu gushushanya muri SiC MOSFET. JTE yongera ubushobozi bwo gukumira amashanyarazi bw'igikoresho binyuze mu kugenzura ikwirakwizwa ry'amashanyarazi ku nkengero za chip. Ibi ni ingenzi mu gukumira kwangirika vuba ku nkengero, aho amashanyarazi menshi akunze kuba menshi.

Ingufu za JTE ziterwa n'ibintu byinshi:

• Ubugari bw'Akarere ka JTE n'urwego rwo gukoresha imiti igabanya ubukana bw'ibiyobyabwenge: Ubugari bw'agace ka JTE n'ubwinshi bw'ibikoreshwa mu gukwirakwiza amashanyarazi ku nkengero z'igikoresho. Agace kagutse kandi gafite imiyoboro myinshi ya JTE gashobora kugabanya amashanyarazi no kongera ingufu z'amashanyarazi.

• Inguni n'Ubujyakuzimu bya JTE Cone: Inguni n'ubujyakuzimu bya koni ya JTE bigira ingaruka ku ikwirakwizwa ry'amashanyarazi ndetse amaherezo bigira ingaruka ku muvuduko w'amashanyarazi. Inguni ntoya ya koni n'akarere ka JTE kijya hejuru bifasha mu kugabanya imbaraga z'amashanyarazi, bityo bikanoza ubushobozi bw'igikoresho bwo kwihanganira umuvuduko mwinshi w'amashanyarazi.

• Guhindura imiterere y'ubuso: Urusobe rw'amazi rugira uruhare runini mu kugabanya amazi ava ku buso no kongera ingufu z'amashanyarazi. Urusobe rw'amazi rukozwe neza rutuma igikoresho gikora neza nubwo haba hari ingufu nyinshi.

Gucunga ubushyuhe ni ikindi kintu cy'ingenzi mu gushushanya JTE. SiC MOSFETs zishobora gukora ku bushyuhe buri hejuru kurusha silicon, ariko ubushyuhe bukabije bushobora kwangiza imikorere n'ubwizigirwa bw'igikoresho. Kubera iyo mpamvu, imiterere y'ubushyuhe, harimo no gukwirakwiza ubushyuhe no kugabanya umuvuduko w'ubushyuhe, ni ingenzi mu gutuma igikoresho kigumana ubuziranenge igihe kirekire.

4. Guhindura Igihombo no Kurwanya Gutwara: Guteza Imbere Imikorere

Muri SiC MOSFETs,kurwanya umuvuduko w'amashanyarazi(Rds(on)) naigihombo cyo guhindurani ibintu bibiri by'ingenzi bigena imikorere myiza muri rusange. Nubwo Rds (on) igenga imikorere myiza y'amashanyarazi, igihombo cyo guhinduranya kibaho mu gihe cy'impinduka hagati y'ikirere kirimo kuva mu kirere no hanze yacyo, bigatera imbaraga mu gutanga ubushyuhe no gutakaza ingufu.

Kugira ngo ibi bipimo birusheho kunozwa, hari ibintu byinshi bigomba kwitabwaho mu miterere:

• Uburyo bwo guhamagara mu kabari: Intera iri hagati y’uturemangingo dukora, igira uruhare runini mu kugena umuvuduko wa Rds (on) n’umuvuduko wo guhinduranya. Kugabanya intera ituma uturemangingo tuba twinshi kandi ntidushobora kubyihanganira, ariko isano iri hagati y’ingano y’intera n’ubwirinzi bw’irembo nabyo bigomba kuringanizwa kugira ngo hirindwe ko amazi asohoka cyane.

• Ubunini bwa Okiside y'Irembo: Ubunini bw'urwego rwa gate oxide bugira ingaruka ku bushobozi bw'irembo, ibyo bikaba bigira ingaruka ku muvuduko wo guhinduranya no ku ntera ya Rds (on). Agace gato k'irembo kongera umuvuduko wo guhinduranya ariko nanone byongera ibyago byo gusohora kw'irembo. Kubwibyo, gushaka ubunini bwiza bwa gate oxide ni ingenzi kugira ngo umuvuduko n'ubwirinzi bibe byongewemo.

• Ubudahangarwa bw'Irembo: Ubudahangarwa bw'ibikoresho byo mu irembo bugira ingaruka ku muvuduko wo guhinduranya ndetse no ku kudahangarwa kwabyo muri rusange. Mu guhuzakurwanya irembomu buryo butaziguye muri chip, imiterere ya module irushaho koroshya, bigabanya ingorane n'aho byangirika mu gupakira.

5. Ubudahangarwa bw'Irembo Rihuriweho: Koroshya Igishushanyo cya Module

Mu bishushanyo bimwe na bimwe bya SiC MOSFET,kurwanya irembo ryinjijwemoikoreshwa, ibyo bikaba byoroshya imiterere n'imikorere ya module. Mu gukuraho gukenera resistor zo hanze y'irembo, ubu buryo bugabanya umubare w'ibice bikenewe, bukagabanya ikiguzi cyo gukora, kandi bukanoza ubwizerwe bwa module.

Gushyiramo uburyo bwo kwirinda kw'irembo kuri chip bitanga inyungu nyinshi:

• Guteranya Module Yoroshye: Uburinzi bw'irembo buhuriweho bworoshya inzira y'insinga kandi bugagabanya ibyago byo kwangirika.

• Kugabanya Ikiguzi: Gukuraho ibice byo hanze bigabanya amafaranga y’ibikoresho (BOM) n’ikiguzi rusange cyo gukora.

• Uburyo bworoshye bwo gupakira: Guhuza uburyo bwo kwirinda kw'irembo bituma habaho imiterere mito kandi ikora neza, bigatuma umwanya ukoreshwa neza mu gupakira.

6. Umwanzuro: Uburyo bugoye bwo gushushanya ibikoresho bigezweho

Gushushanya no gukora SiC MOSFETs bikubiyemo uburyo butandukanye bwo gukora ibintu bitandukanye. Kuva ku kunoza imiterere ya chip, imiterere y’uturemangingo dukora, n’imiterere ya JTE, kugeza ku kugabanya ubukana bw’ingufu zo gutwara no guhindagurika kw’ibikoresho, buri gice cy’igikoresho kigomba guhindurwa neza kugira ngo kigere ku musaruro mwiza ushoboka.

Bitewe n’iterambere rihoraho mu ikoranabuhanga ryo gushushanya no gukora, SiC MOSFET zigenda zirushaho gukora neza, zizewe kandi zihendutse. Uko icyifuzo cy’ibikoresho bikoresha ingufu nyinshi kandi bikoresha ingufu nke kigenda cyiyongera, SiC MOSFET ziteguye kugira uruhare runini mu gutanga ingufu ku gisekuru gitaha cy’amashanyarazi, kuva ku binyabiziga bikoresha amashanyarazi kugeza ku miyoboro y’ingufu zishobora kuvugururwa n’ibindi byinshi.