Simba Semiconductor PCB Dhizaini yeSimba Modules

Nhanganyaya: Basa reSimba Semiconductor PCB muMazuvano Emagetsi

Power semiconductor modules inoshanda semusana wemotokari dzemazuva ano dzemagetsi, inverters dzeindasitiri, uye masisitimu emagetsi anovandudzwa. Iyo simba semiconductor PCB inoshanda seinopfuura yakapusa yekubatanidza chikuva. Iyo panguva imwe chete inopa conductivity yemagetsi, kupisa kwekupisa nzira, dielectric isolation, uye kugadzikana kwemagetsi pasi pemamiriro ekushanda akaoma.

Zvishandiso zvemagetsi zvakasiyana zvinoisa zvinodiwa zvakasiyana paPCB dhizaini. IGBT modules inoda yakasimba ikozvino-kubata masimba uye ine mwero yekupisa manejimendi. MOSFET-yakavakirwa madhizaini inoda kutarisisa kune yakakwira-frequency switching maitiro. Wide-bandgap semiconductors seSiC neGaN inoshanda patembiricha yakakwira uye inochinja ma frequency, ichida zvemhando yepamusoro substrate zvinhu uye yakagadziridzwa magadzirirwo emagetsi emagetsi akavimbika PCB kuita.

Simba Semiconductor PCB Configurations uye Zvimiro

Yakakora Mhangura PCB yePamusoro Yazvino Zvikumbiro

MaPCB akakora emhangura anoshandisa huremu hwemhangura kubva pa3oz kusvika pa10oz padurunhuru kuti atsigire mafambiro akakwira anoramba achirasikirwa nekurasikirwa kushoma. Aya mabhodhi anogonesa kutenderera kwemagetsi pasina ekunze mabhawa muIGBT module PCB magadzirirwo. Kuwedzera kwemhangura yakawanda kunobatsira pakupisa kupararira kumativi ebhodhi.

Metal Core PCB uye IMS Technology

MaPCB esimbi ane aluminium kana copper base layers anopa thermal conductivity yepamusoro kana tichienzanisa ne FR-4 constructions yakajairwa. Iyo insulated metal substrate (IMS) configuration inoisa tete dielectric layer pakati pe circuit pattern ne simbi core. Iyi structure inokodzera mashandisirwo e mid-power uko zvinodiwa zve thermal zvinopfuura kugona kwetsika.

DBC uye AMB Substrates yeWide-Bandgap Devices

Direct bonded copper (DBC) substrates bond gobvu mhangura akaturikidzana zvakananga kune zvedongo zvinhu pasina anonamira layers. Active simbi brazing (AMB) inowana mhedzisiro yakafanana uchishandisa akasiyana bonding maitiro. Mhando mbiri dze substrate dzinobata tembiricha yakakwira yekushanda uye inodziya yebhasikoro zvinodiwa zveSiC PCB uye GaN PCB zvikumbiro.

Multilayer uye Hybrid Stack-ups

Complex power modules anowanzo shandisa multilayer zvigadziriso izvo zvinopatsanura yakakwirira-simba reti kubva kune inonzwisisika gedhi dhiraivha masaini. Zvivakwa zveHybrid zvinosanganisa akajairwa FR-4 maseru echiratidzo chekufambisa neakamisikidzwa simbi macores ekugovera magetsi. Iyi nzira inokwidziridza mutengo uchisangana nemhando dzakasiyana siyana dzekushanda mukati memagetsi module PCB stack.

Magetsi Dhizaini yeSimba Semiconductor PCB

Ikozvino Kutakura Kugona uye Impedance Kudzora

Simba semiconductor PCB dhizaini inotanga nekutevera hupamhi hwekuverenga zvichienderana nezvinodiwa zvazvino uye inogamuchirwa tembiricha kukwira. Ukobvu hwemhangura hunokanganisa zvakananga huwandu hwazvino, ine 4oz kusvika 6oz mhangura mwero wenzira dzekutanga dzemagetsi. Wide traces inoderedza kurasika kwekupokana uye kudonha kwevoltage pasi pemamiriro ekutakura akazara.

Yakakwira-Frequency Kuchinja Mhedzisiro muMOSFET PCB

Kurongeka kweMOSFET PCB kunofanirwa kugadzirisa inductance yeparasitic uye capacitance inokanganisa mashandiro ekuchinja. Zvishandiso zvegedhi zvinoda nzira yekudzora impedance ine nzvimbo shoma yekutenderera. Inductance yesimba remagetsi inokonzera kuwanda kwevoltage panguva yekuchinja kwe turn-off. Kuiswa kwema capacitor ekuparadzanisa uye nzira dzakagadziriswa dzekudzoka kunoderedza parasitic idzi.

Kelvin Connections uye Voltage Sensing

Kunyatsonzwa kwazvino kunoda Kelvin nzira dzekubatanidza dzinopatsanura nzira dzepamusoro-zvino kubva kune pfungwa. Ina-waya sensing inobvisa pesvedzero yekubatanidza kuramba pachiyero chechiyero. Yakazvipira pfungwa inoteedzera nzira yakananga kune mudziyo zviteshi pasina kugovera mhangura ine magetsi emagetsi.

High-Voltage Isolation Zvinodiwa

Magetsi emagetsi anoshanda pamagetsi anoda chaiwo creepage uye kureba madaro pakati pemakondakita. Zviyero zvekuchengetedza zvinotsanangura nzvimbo shoma zvichienderana nemazinga emagetsi uye madhigirii ekusvibisa. Iyo simba module PCB dhizaini inofanirwa kugarisa izvi zvinodiwa uku uchiwedzera density yedunhu.

Thermal Management muSimba Semiconductor PCB

Yakamisikidzwa Copper uye Via Technologies

Maitiro anoshanda ekugadzirisa kupisa kwePCB yemagetsi e semiconductor anosanganisira:

• Copper coin embedding -Mafuta akakora emhangura ari pasi pezvikamu anoparadzira kupisa kwakadzikama asati aendeswa kumadhishi ekupisa.
• Via-mu-pedhi kuvaka -Mhangura-yakazadzwa nemafuta ekupisa inobvisa mhepo gap kuramba pasi pechishandiso tsoka.
• Thermal kuburikidza arrays - Multiple vias inogadzira yakaderera-impedance yekupisa nzira kuburikidza nebhodhi ukobvu.
• Metal base kubatanidzwa - Yakazara-ndege kupisa kuparadzira inopa yakanyanya kupisa conductivity kune yakakwirira-simba maapplication.

Yepamberi Ceramic Substrates yeSiC PCB

Yakakwira yekupisa conductivity ceramics inopa hukuru hwekuita kwesimba semiconductor PCB application:

• Aluminium nitride (AlN) -Thermal conductivity inosvika 180 W/mK inogonesa kubviswa kwekushisa kwakanaka kubva kumidziyo yeSiC.
• Silicon nitride (Si₃N₄) -Inopa kuoma kwemakanika nekushanda kwekupisa kwakakodzera GaN PCB magungano.
• Direct die mounting -Inobvisa zvepakati zvinopisa zvemukati zvekushandisa kudzikisa kuzara kwemafuta kuramba.

Thermal Simulation uye Simba Cycling Analysis

Finite element thermal modelling inofanotaura tembiricha yekusangana uye inotaridza hotspots yekupisa isati yagadzirwa prototype. Kuongorora kwekanguva kwekushisa kunoongorora kushanduka kwetembiricha panguva yekumhanyisa bhasikoro kunotyaira mafambiro ekutadza. Material coefficient of thermal expansion (CTE) mismatches inogadzira kushushikana kwemagetsi panguva yekufamba kwemafuta.

Heat Dissipation Path Optimization

Inoshanda thermal dhizaini inogadzira yakaderera-resistance nzira kubva semiconductor junctions kuburikidza solder interfaces, substrates, uye thermal interface zvinhu kune ambient kutonhora masisitimu. Kupisa kwekupisa PCB magadzirirwo anodzikisa huwandu uye ukobvu hwemafano uku uchiwedzera nzvimbo dzekusangana uye zvinhu zvekupisa conductivity.

Kusarudzwa kwezvinhu zveSimba Module PCB

Dielectric Material Sarudzo

Standard FR-4 zvinhu zvinokwana simba module PCBs inoshanda pazasi 130 ° C ine mwero frequency zvinodiwa. High-Tg laminates seFR-408HR inowedzera marefu ekushanda kusvika 180°C tembiricha yegirazi. Polyimide substrates inoshingirira kuenderera mberi kwekushanda pamusoro pe200 ° C, inodiwa kuti SiC neGaN kufa kuchikwira.

Huremu hwemhangura uye Hunhu hwekuisa

Base mhangura ukobvu kusarudzwa kunoyera huwandu hwazvino kupesana nemutengo wezvinhu uye kuoma kwekugadzira. Yakapedzwa huremu hwemhangura account yekuwedzera plating panguva yekugadzira uye kupedzisa kwepamusoro. Mabhodhi anorema emhangura anoda akakosha etching maitiro uye yakawedzerwa nguva yekugadzirisa.

Pamusoro Pedzisa Sarudzo yeSimba Semiconductor PCB

Electroless nickel kunyudzwa goridhe (ENIG) inopa yakanakisa solderability uye waya bonding nzvimbo dzemagetsi semiconductor PCB gungano. Kunyudzwa sirivheri uye organic solderability preservative (OSP) kupera kunoderedza mutengo asi kunoda kungwarira kuchengetedza. Hard goridhe plating inoshandira yakakwirira-ikozvino kumucheto zvibatanidza uye inotsvedza yekubata maapplication.

Advanced Bonding Technologies

Sintered sirivheri die attach inogadzira void-isina zvisungo zvine yepamusoro yekupisa uye magetsi conductivity zvichienzaniswa nevechinyakare vatengesi. High-tembiricha vatengesi vanochengetedza mechanical kutendeseka pasi pesimba bhasikoro pane yakakwirira tembiricha. Iyo yekubatanidza nzira yekusarudza inokanganisa yakazara simba module kuvimbika.

Kuvimbika uye Kuedzwa kweSimba Semiconductor PCB

Simba Cycling uye Thermal Cycling Miedzo

Simba bhasikoro rinoshandisa akadzokororwa mitoro yemagetsi iyo inoburitsa mukati mekudziya uye kutonhora kutenderera kunomiririra kushanda kwemunda. Miyero yekuyedza inotsanangura mazinga azvino, pa-nguva, uye tembiricha inoshanduka zvichienderana nezvinodiwa zvekushandisa. Maedzo ese ari maviri anoona nzira dzekuneta dzinokanganisa majoini ekutengesa uye substrate delamination.

High-Voltage Withstand Testing

HiPot kuyedzwa kunoshandisa mavoltage anopfuura akajairwa kushanda mazinga kuti aone kutendeseka kwekudzivirira pakati pesekete dzakasarudzika. Eyedzo voltages anowanzo kusvika 1.5 kusvika 2 nguva yevoltage yekushanda kwenguva yakatarwa. Partial discharge test inoona incipient insulation failures isati yaparara zvachose.

Kukundikana Kuongorora Nzira

Yakakosha kuvimbika nzira dzekusimbisa dzesimba semiconductor PCB dzinosanganisira:

• Cross-sectioning -Inofumura zvemukati zvekuvaka uye inoratidza kutadza modes isingaonekwe kubva kunze kwekuongorora.
• X-ray mifananidzo -Inoona voids mumajoini ekutengesa uye delamination pakati pematanho emidziyo pasina kuyedza kunoparadza.
• Kuongorora acoustic microscopy -Inoona kutsemuka kwemukati uye disbonds kuve nechokwadi chekuvimbika kwenguva refu.

Simba Semiconductor PCB Applications

Motokari Yemagetsi Power Electronics

Ma EV inverters anoshandura simba rebhatiri reDC kuita matatu-phase AC yekudzora mota nekushanda zvakanaka kunodarika 95%. PCB ye inverter inofanira kubata mazana ema ampere uku ichichengetedza kugadzikana kwekupisa pasi pekushanda nguva dzose. Kushandiswa kwesilicon carbide muma traction inverters kunoda tekinoroji yepamusoro ye semiconductor PCB.

Industrial Drives uye Solar Inverters

Variable frequency dhiraivha inodzora maindasitiri mota kumhanya ine chaiyo simba regulation mukati mehupamhi hwekushanda siyana. Solar inverters inoshandura DC photovoltaic inobuda kune grid-yakawiriraniswa AC simba ine yakanyanya simba poindi yekutevera. Chinangwa-chakagadzirwa magetsi emagetsi PCB zvivakwa zvinogadzirisa izvi zvinoda zvinodiwa.

Telecommunication uye UPS Systems

Mafambisirwo ezvekufambiswa kwemashoko anoda shanduko yesimba yakavimbika ine zvibodzwa zvakaomarara. Simba remagetsi risingapindiki rinodzivirira mitoro yakakosha kuburikidza neshanduko isina musono pakati peutility uye bhatiri magetsi masosi. Aya masisitimu anoshandisa epamberi simba semiconductor modules akaiswa pane akasarudzika inverter PCB magungano.

mhedziso

Simba semiconductor PCB dhizaini inoda kunyatsokwenenzverwa kwekuita kwemagetsi, manejimendi ekupisa, uye kuvimbika kwezvinhu kuzadzisa zvinoomesesa zvinodiwa zvemazuva ano magetsi emagetsi. Wide-bandgap zvishandiso zvinoramba zvichisundidzira miganhu yekushanda nepo zvivakwa zvakakora zvemhangura, simbi core substrates, uye zvigadziko zveceramic zvinogadzirisa zvinodiwa zvekushandisa.

Highleap Electronics inopa yakazara simba semiconductor PCB mhinduro:

• Yepamberi PCB yekugadzira kugona -Yakakora mhangura yekumisikidza, simbi yepakati kugadzirisa, uye ceramic substrate yekubatanidza kune inoda kupisa zvinodiwa.
• Wide-bandgap unyanzvi -Akasarudzika ekugadzira maitiro eSiC PCB uye GaN PCB mashandisirwo ane kuvimbika kwakaratidza.
• Quality certification - ISO 9001 uye IATF 16949 certified mashandiro anovimbisa kuenderana mhando yemotokari uye maindasitiri ekushandisa.
• Yakazara PCB musangano masevhisi -Kubva kuchikamu chekutenga kusvika pakuyedzwa kwekupedzisira, kutsigira yakazara simba module kugadzira.

Bata timu yedu yeinjiniya kuti mukurukure zvinodiwa nePCB yenyu yemagetsi e semiconductor uye kuti muone kuti maitiro edu akasimbiswa anoita sei kuti magadzirirwo enyu ashande zvakanaka.