盈多多彩票

采用新型IGBT优化软开关应用中的损_奇瑞发动机

发布时间:2019-12-20    信息来源:nanofib.com    作者:儒安机械

IGBTJISHUJINBUZHUYAOTIXIANZAILIANGGEFANGMIAN:TONGGUOCAIYONGHEGAIJINGOUCAOZHALAIYOUHUACHUIZHIFANGXIANGZAILIUZINONGDU,YIJILIYONG“CHANGZHONGZHI”GAINIAN(YEYOUCHENGWEI“RUANCHUANTONG”HUO“QINGCHUANTONG”)JIANGDIJINGYUANnCHENDIDEHOUDU。

CIWAI,DAIYOUDANPIANERJIGUANDEIGBTGAINIANYEJINGCHANGBEITANTAO。SHOUXIANTOUCHANDENIDAOXINGIGBTSHIZHENDUIDIANZIZHENLIUQIYINGYONGJINXINGYOUHUADE,BEICHENGZHIWEI“LightMOS”。BENWENJIESHAOLEJICHENGXULIUERJIGUAN(FWD)DE1200V RC-IGBT,BINGJIANGTANTAOMIANXIANGRUANKAIGUANYINGYONGDE1,200VNIDAOXINGIGBTSUOQUDEDEZHONGDAJISHUJINBU。

TrenchStop和RC-IGBT技术

ZAICAIYONGDETrenchStopJISHUZHONG,GOUCAOZHAJIEHELECHANGZHONGZHIGAINIAN(JIANTU1ZHONGDEIGBT)。YOUYUFASHEJI(YINJI)FUJINDEZAILIUZINONGDUTIGAO,GOUCAOZHAKESHIDEDAOTONGSUNHAOJIANGDI。CHANGZHONGZHIGAINIANSHINPTGAINIANDEJINYIBUFAZHAN,BAOHANYIGEEWAIDEZHIRUJINGYUANBEIMIANDEnCHANZACENG。

JIANGCHANGZHONGZHICENGYUGAODIANZULVDEJINGYUANCHENDIJIEHEQILAI,NENGSHIQIJIANDEHOUDUJIANSHAODAYUESANFENZHIYI,TONGSHIBAOCHIXIANGTONGDEZUDUANDIANYA。SUIZHEJINGYUANHOUDUDEJIANGDI,DAOTONGSUNHAOHEGUANDUANSUNHAOYEKEJINYIBUJIANGDI。CHANGZHONGZHICENGCHANZADUDI,YINCIBUHUIYINGXIANGBEIMIANZHIRUDEDICHANZApFASHEJI。WEILESHIXIANRC-IGBT,ERJIGUANDEBUFENnCHANZABEIMIANYINJI(TU1)JIANGYUIGBTJIDIANJIXIAMIANDEpFASHEJIJIEHEQILAI。

RC-IGBTDEGOUCAOZHAGAINIANSUOJIYUDEJISHUYUCHUANTONGDETrenchStop-IGBT(JIANTU2)XIANGTONG,DANZHENDUIRUANKAIGUANYINGYONGSUOXUDECHAODIBAOHEYAJIANGVce(sat)JINXINGLEYOUHUA,BIRUDIANCILUHUOWEIBOLUYINGYONG。SHUYIWANJIDEGOUCAOZHATONGGUOJINSHU(LV)XIANGLIAN,GAIJINSHULVCENGTONGSHIYESHILIANXIANQU。ZHAJIHEFASHEJIZHIJIANDEQUYUHEDUANZIBEIQIANRUJUEYUANYAANBOMOLI。ZUIXINDETOUCHANXINGRC2-IGBT,QIGOUCAOZHAJIGENGXIAO,YUBIAOZHUNTrenchStop-IGBTXIANGBIYAODUOCHU150%DEGOUCAOZHADANYUAN。TU3WEIJIYUTrenchStopJISHUDEZUIXINYIDAIRC2-IGBTDEGOUCAOZHAJIEMIANTU。

超薄晶圆技术

YOUYUDAOTONGDIANYAHEGUANDUANSUNHAOZAIHENDACHENGDUSHANGQUJUEYUJINGYUANDEHOUDU,YINCIXUYAOZUOGENGBODEIGBT。TU4XIANSHILEYINGFEILING600/1,200V IGBTHEEMCONERJIGUANDEJINGYUANHOUDUQUSHI。DUIYUXINXING1,200V RC-IGBTERYAN,120umHOUDUJINGYUANJIANGSHIBIAOZHUNGONGYI。ZHEIXUYAOJINXINGFUZADEJINGYUANCHULI,BAOKUOYONGYUZHENGMIANHEBEIMIANDETESHUCHULISHEBEI。JIANGJINGYUANBIANBOKETONGGUOJINGYUANDAMOHESHISHIHUAXUESHIKEGONGYISHIXIAN。

新型RC2-IGBT的优势

LAIZIYINGFEILINGDEXINXINGRC2-IGBTXILIECHANPINSHIYICHENGSHUDETrenchStopJISHUWEIJICHUDE,JUYOUCHAODIBAOHEYAJIANG。CIWAI,IGBTHAIJICHENGLEYIGEGONGNENGQIANGDAQIEZHENGXIANGDIANYACHAODIDEERJIGUAN。

XINXINGRC2-IGBTDEYOUSHISHIZHENDUIRUANKAIGUANYINGYONG(BIRUWEIBOLU、DIANCILUHEGANYINGJIAREXINGDIANFANBAO)JINXINGYOUHUADEDINGZHIJIEJUEFANGAN。YUYIQIANDEQIJIANXIANGBI,RC2-IGBTKETISHENGXINGNENG,JIANGDIBAOHEYAJIANGSUNHAO。ZHEIKEDAOZHIFEICHANGDIDEZONGTISUNHAO,YINCISUOXUDESANREQIGENGXIAO。LINGWAIYIGEYOUSHISHIZUIDAJIEWENBEITIGAODAOTvJ(max)=175℃,BIPUTONGIGBTXINPIANTIGAOLE25℃。ZHEIZHONGJIEWENYITONGGUOTO-247WUQIANFENGZHUANGDEYINGYONGYANZHENG。


图1:应用TrenchStop技术的RC-IGBT


图2 :RC-IGBT芯片(IHW20N120R)前视图


图3:基于TrenchStop技术的最新一代RC2-IGBT的沟槽栅截面图(沟槽栅里的洞是为分析准备)

采用新型IGBT优化软开关应用中的损_奇瑞发动机


图4 :IGBT和二极管晶圆厚度变化

ZAIDIANXINGBAOHEYAJIANGVce(sat)=1.6V@25℃/1.85V@175℃HEDIANXINGZHENGXIANGDIANYAVf=1.25V@175℃(EDINGDIANLIU)DETIAOJIANXIA,GONGLVSUN(TEBIESHIRUANKAIGUANYINGYONGDEDAOTONGSUNHAO)KEDAFUDUJIANGDI。YOUIHW20N120R2DEXIAJIANGSHIJIANDEQIEXIANKEKANCHUGAOSUDU—tf=24ns@25℃HERg=30Ω(44ns@175℃)。IHW30120R2ZAIXIAJIANGSHIJIANFANGMIANSHIZUIWEICHUSEDE:tf=33ns@25℃,Rg=30Ω;tf=40ns@175℃。(ZAIYINGKAIGUANTIAOJIANXIACELIANG,CANJIANDAIYOUEoffQUXIANDETU6HETU7)。

采用新型IGBT优化软开关应用中的损_奇瑞发动机

TU5 :LAIZIYINGFEILINGKEJIDEZUIXINYIDAIRC2-IGBT(IHWxxN120R2,xx=15A、20A、25AHE30A)。CAIYONGWUQIANDIANDUTO-247FENGZHUANG

采用新型IGBT优化软开关应用中的损_奇瑞发动机

TU6 :ZAIYINGKAIGUANTIAOJIANXIA,175℃JIEWENYIJISHIWENXIAIHW20N120R2(IN=20A,Vces=1,200V)HEIHW30N120R2(IN=30A)DEXIAJIANGSHIJIANQIEXIAN

TU7 :ZAIYINGKAIGUANTIAOJIANXIA,175℃JIEWENYIJISHIWENXIARC2-IGBTDEEoffQUXIAN

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