Sekuchinja zvinhu, MOSFET neIGBT zvinowanzoonekwa mumaseketi emagetsi. Iwo akafananawo muchitarisiko uye hunhu parameters. Ndinotenda kuti vanhu vazhinji vanozoshamisika kuti sei mamwe maseketi achida kushandisa MOSFET, nepo vamwe vachidaro. IGBT?
Ndeupi musiyano pakati pavo? Tevere,Olukeyachapindura mibvunzo yako!
Chii chinonzi aMOSFET?
MOSFET, iro zita rakazara reChinese isimbi-oxide semiconductor field effect transistor. Nekuda kwekuti gedhi reiyi munda mhedzisiro transistor yakaparadzaniswa neyakavharisa layer, inonzi zvakare insulated gedhi remunda maitiro transistor. MOSFET inogona kupatsanurwa mumhando mbiri: "N-mhando" uye "P-mhando" maererano ne polarity ye "channel" (yekushanda inotakura), inowanzonziwo N MOSFET uye P MOSFET.
Iyo MOSFET pachayo ine yayo parasitic diode, iyo inoshandiswa kudzivirira iyo MOSFET kubva pakupisa kana VDD yadarika-voltage. Nekuti iyo overvoltage isati yakonzera kukuvadzwa kuMOSFET, diode inoramba ichiputsika kutanga uye inotungamira hombe iripo pasi, nekudaro ichidzivirira iyo MOSFET kuti isapiswa.
Chii chinonzi IGBT?
IGBT (Isulated Gedhi Bipolar Transistor) isanganiswa semiconductor mudziyo unoumbwa netransistor uye MOSFET.
Zviratidzo zvedunhu zveIGBT hazvisati zvabatanidzwa. Kana uchidhirowa dhizaini, zviratidzo zve triode neMOSFET zvinowanzo kukweretwa. Panguva ino, unogona kutonga kana iri IGBT kana MOSFET kubva pamuenzaniso wakanyorwa pane dhiyabhorosi.
Panguva imwecheteyo, iwe unofanirwawo kuterera kuti IGBT ine diode yemuviri. Kana isina kunyorwa pamufananidzo, hazvirevi kuti haipo. Kunze kwekunge iyo data yepamutemo ichitaura zvakasiyana, iyi diode iripo. Iyo diode yemuviri mukati meIGBT haina parasitic, asi yakanyatso kumisikidzwa kuchengetedza isina kusimba reverse inomira voltage yeIGBT. Inonzi zvakare FWD (freewheeling diode).
Chimiro chemukati chezviviri zvakasiyana
Mapango matatu eMOSFET ndiwo sosi (S), drain (D) uye gedhi (G).
Iwo mapango matatu eIGBT muunganidzi (C), emitter (E) uye gedhi (G).
Iyo IGBT inovakwa nekuwedzera imwe dhizaini pakudonhedza kweMOSFET. Chimiro chavo chemukati ndeichi:
Nzvimbo dzekushandisa dzezviviri zvakasiyana
Zvimiro zvemukati zveMOSFET uye IGBT zvakasiyana, izvo zvinosarudza minda yavo yekushandisa.
Nekuda kwechimiro cheMOSFET, inogona kazhinji kuwana yakakura ikozvino, inogona kusvika KA, asi prerequisite voltage standability haina kusimba seIGBT. Nzvimbo dzayo huru dzekushandisa kushandura magetsi emagetsi, maballasts, high-frequency induction heat, high-frequency inverter welding machines, magetsi ekufambisa uye mamwe magetsi emagetsi epamusoro-frequency.
IGBT inogona kuburitsa simba rakawanda, razvino uye voltage, asi frequency haina kunyanyisa. Parizvino, iyo yakaoma switching kumhanya yeIGBT inogona kusvika 100KHZ. IGBT inoshandiswa zvakanyanya mumichina yewelding, inverters, frequency converters, electroplating electrolytic magetsi emagetsi, ultrasonic induction heat uye mamwe minda.
Mamiriro makuru eMOSFET uye IGBT
MOSFET ine maitiro ekukwirira kwekuisa impedance, kukurumidza kushandura kukurumidza, kugadzikana kwakanaka kwekushisa, voltage control current, nezvimwewo.
Serudzi rutsva rwemagetsi semiconductor mudziyo, IGBT ine hunhu hwekupinza yakakwira impedance, yakaderera voltage control simba mashandisiro, nyore kudzora dunhu, yakakwira voltage kuramba, uye kushivirira kukuru kwazvino, uye yakashandiswa zvakanyanya mumaseketi akasiyana emagetsi.
Iyo yakakodzera yakaenzana dunhu reIGBT inoratidzwa mumufananidzo uri pazasi. IGBT chaizvoizvo musanganiswa weMOSFET uye transistor. MOSFET ine iyo yakashata yekukwira-kupikisa, asi IGBT inokunda kushomeka uku. IGBT ichine yakaderera pa-resistance pane yakakwira voltage. .
Kazhinji, mukana weMOSFET ndewekuti ine yakanaka-yepamusoro-frequency maitiro uye inogona kushanda pane frequency yemazana ekHz uye kusvika MHz. Izvo zvisingabatsiri ndezvokuti pa-resistance yakakura uye kushandiswa kwesimba kwakakura mu-high-voltage uye high-current situations. IGBT inoita zvakanaka mune yakaderera frequency uye yakakwirira simba mamiriro, ine diki pa-resistance uye yakakwirira inomira voltage.
Sarudza MOSFET kana IGBT
Mudunhu, kana kusarudza MOSFET sechubhu yemagetsi kana IGBT mubvunzo unowanzosangana nemainjiniya. Kana zvinhu zvakaita semagetsi, zvazvino, uye simba rekuchinja reiyo system zvikatariswa, zvinotevera pfungwa dzinogona kupfupikiswa:
Vanhu vanowanzobvunza kuti: "MOSFET kana IGBT nani?" Muchokwadi, hapana mutsauko wakanaka kana wakashata pakati pezviviri izvi. Chinonyanya kukosha kuona kushanda kwayo chaiko.
Kana uchine mibvunzo nezve musiyano uripo pakati peMOSFET neIGBT, unogona kubata Olukey kuti uwane ruzivo.
Olukey anonyanya kugovera WINSOK yepakati uye yakaderera voltage MOSFET zvigadzirwa. Zvigadzirwa zvinoshandiswa zvakanyanya muindasitiri yemauto, LED/LCD driver board, motor driver board, kukurumidza kuchaja, fodya yemagetsi, maLCD monitors, magetsi, midziyo midiki yemumba, zvigadzirwa zvekurapa, uye zvigadzirwa zveBluetooth. Zviyero zvemagetsi, zvemagetsi zvemotokari, zvigadzirwa zvenetiweki, midziyo yemumba, makomputa eperipherals uye akasiyana madhijitari zvigadzirwa.
Nguva yekutumira: Zvita-18-2023
