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英飞凌IGBT厂家 > 英飞凌IGBT模块驱动 > IGBT模块用DBC基板的设计

IGBT模块用DBC基板的设计

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河北快3走势图SHENZHENYISHENGTONGKEJIYOUXIANGONGSI

时间 : 2018-09-19 21:30 浏览量 : 56

IGBT模块用DBC基板的设计

河北快3走势图IGBTMOKUAIYINQIYOUYIDEDIANQIXINGNENG,YIJINGBEIGUANGFANDEYINGYONGYUXIANDAIDIANLIDIANZIJISHUZHONG,DBCJIBANDESHEJISHIIGBTMOKUAIJIEGOUSHEJIZHONGZUIZHONGYAODEYIHUAN,DBCJIBANSHEJIDEYOULIEJIANGZHIJIEYINGXIANGDAOMOKUAIDEDIANQITEXING,ZUNXUNYIDINGDESHEJIYUANZEJIUKEYIHENHAODEWANCHENGDBCJIBANDESHEJIGONGZUO。


河北快3走势图  IGBTSHIYOUMOSFETHESHUANGJIXINGJINGTIGUANFUHEERCHENGDEYIZHONGQIJIAN,QIJIJUYOUMOSFETQIJIANQUDONGGONGLVXIAOHEKAIGUANSUDUKUAIDEYOUDIAN,YOUJUYOUSHUANGJIXINGQIJIANBAOHEYAJIANGDIERRONGLIANGDADEYOUDIAN,QIPINLVTEXINGJIEYUMOSFETYUGONGLVJINGTIGUANZHIJIAN,KEZHENGCHANGGONGZUOYUJISHIkHzPINLVFANWEINEI,CAIYONGIGBTXINPIANFENGZHUANGZHIZAOERCHENGDEIGBTMOKUAIYINCIBEIGUANGFANDEYINGYONGZAIXIANDAIDIANLIDIANZIJISHUZHONG,ZAIJIAOGAOPINLVDEDA、ZHONGGONGLVYINGYONGZHONGZHANJULEZHUDAODIWEI。

  ZAIIGBTMOKUAIFENGZHUANGSHEJIZHONG,CHENGZAIIGBTXINPIANYIJIDiodeXINPIANDEDBCJIBAN(Direct Bonding Cooper,JIANCHENGDBC)DESHEJISHIIGBTMOKUAIJIEGOUSHEJIDEGUANJIANJISHU,DBCJIBANDECAIZHIXUANZE、BANTUSHEJIDENGGEZHONGSHEJIYINSUZHIJIEYINGXIANGDAOIGBTMOKUAIZAIWANCHENGFENGZHUANGZHIZAOZHIHOUDEGEXIANGDIANQIXINGNENGDEYOULIE。BENWENXIANGXIJIESHAOLEYOUGUANIGBTMOKUAIYONGDBCJIBANDEYOUGUANJIBENZHISHI、BANTUSHEJIYUANZE,YIGONGXIANGGUANGONGCHENGJISHURENYUANCANKAO。

  一、 DBC基板简介

  1.1 DBC基板

河北快3走势图  DBCJIBAN(Direct Bonding Copper),JIZHIJIEFUTONGTAOCIJIBAN,SHIYIZHONGTAOCIBIAOMIANJINSHUHUAJISHU,XIANDAIDBCJIBANZHUYAOCUNZAILIANGZHONGXINGSHI,Al2O3TAOCIJIBANHEAlNTAOCIJIBAN。LIANGZHONGTAOCIJIBANDEBIAOMIANJINSHUHUAJISHUDAZHIXIANGTONG,YIAl2O3TAOCIJIBANWEILI[1、2],TONGGUOZAIHANYANGDEN2QIFENZHONG,JIANGTAOCIJIBANJIAREZHI1063℃ZUOYOU,SHICuBOZHIJIEHANFUZAIAl2O3JIBANSHANG。ZAITAOCIBIAOMIANJINSHUHUAGUOCHENGZHONG,CuYUANZIYUOYUANZIXINGCHENGDECu2OGONGJINGYEXIANG,RUNSHILEHUXIANGJIECHUDECuBOHEAl2O3TAOCIBIAOMIAN,TONGSHIHAIYUAl2O3FASHENGFANYING,SHENGCHENGCu(AlO2)2、Cu(AlO2)DENGFUHEYANGHUAWU,CHONGDANGGONGJINGQIANHANYONGDEHANLIAO,SHIERZHELAOGUDEJIEHEZAIYIQI,ZUIZHONGXINGCHENGKEGONGSHIYONGDEDBCJIBAN。AlNTAOCIJIBANSHIYIZHONGFEIYANGHUAWUTAOCI,FUJIETONGBODEGUANJIANSHISHIQIBIAOMIANXINGCHENGFUHESHANGSHUFUJIETIAOJIANDEGUODUCENG。ZAIGUODUCENGSHANGFUJIETONGBODEJILIYUAl2O3TAOCIJIBANDAZHIXIANGTONG。


  1.2 DBC基板的优异特性

  DBCJIBANZAIDIANLIDIANZIMOKUAIJISHUZHONG,ZHUYAOSHIZUOWEIGEZHONGXINPIAN(IGBTXINPIAN、DiodeXINPIAN、DIANZU、SiCXINPIANDENG)DECHENGZAITI,DBCJIBANTONGGUOBIAOMIANFUTONGCENGWANCHENGXINPIANBUFENLIANJIEJIHUOZHELIANJIEMIANDELIANJIE,GONGNENGJINSIYUPCBBAN。


  DBCJIBANJUYOUJUEYUANXINGNENGHAO、SANREXINGNENGHAO、REZUXISHUDI、PENGZHANGXISHUPIPEI、JIXIEXINGNENGYOU、HANJIEXINGNENGJIADEXIANZHUTEDIAN。SHIYONGDBCJIBANZUOWEIXINPIANDECHENGZAITI,KEYOUXIAODEJIANGXINPIANYUMOKUAISANREDIBANGELIKAI,DBCJIBANZHONGJIANDEAl2O3TAOCICENGHUOZHEAlNTAOCICENGKEYOUXIAOTIGAOMOKUAIDEJUEYUANNENGLI(TAOCICENGJUEYUANNAIYA>2.5KV)。DBCJIBANJUYOULIANGHAODEDAOREXING,REDAOLVWEI20-260W/mK,IGBTMOKUAIZAIYUNXINGGUOCHENGZHONG,ZAIXINPIANBIAOMIANCHANSHENGDALIANGDERELIANG,ZHEIXIERELIANGKEYOUXIAODETONGGUODBCJIBANCHUANSHUDAOMOKUAISANREDIBANSHANG,ZAITONGGUODIBANSHANGDEDAOREGUIZHICHUANDAOYUSANREQISHANG,WANCHENGMOKUAIDEZHENGTISANRELIUDONG。TONGSHI,DBCJIBANPENGZHANGXISHUTONGGUI(XINPIANZHUYAOCAIZHIWEIGUI)XIANGJIN(7.1ppm/K),BUHUIZAOCHENGDUIXINPIANDEYINGLISUNSHANG,DBCJIBANKANGBOLI>20N/mm2,JUYOUYOUXIUDEJIXIEXINGNENG,NAIFUSHI,BUYIFASHENGXINGBIAN,KEZAIJIAOKUANWENDUFANWEINEISHIYONG。DBCJIBANHANJIEXINGNENGLIANGHAO,HANJIEKONGDONGLVXIAOYU5%,DBCJIBANJUYOUJIAOHOUDETONGCENG,GAITONGCENGNENGGOUFUDANHENGAODEDIANLIUFUZAI,ZAIXIANGTONGJIEMIANXIA,JINXUYAOTONGCHANGPCBBANDE12%DEDAODIANKUANDU,ZAIDANWEITIJINEINENGCHUANSHUGENGDADEGONGLV,TIGAOXITONGHESHEBEIDEKEKAOXING。ZHENGSHIYOUYUDBCJIBANDEGEZHONGYOULIANGXINGNENG,DBCJIBANBEIGUANGFANYINGYONGYUGEXINGIGBTMOKUAIZHONG,CAIYONGDBCJIBANDEIGBTMOKUAIJUYOUGENGHAODEREPILAOWENDINGXINGHEGENGGAODEJICHENGDU。

  二、 DBC基板版图设计

河北快3走势图  YONGYUIGBTMOKUAIDENGGEZHONGDIANLIDIANZIMOKUAIDEDBCJIBANZHUYAOLEIXINGWEILIANGLEI,JIAl2O3TAOCIJIBANHEAlNTAOCIJIBAN,LIANGZHONGDBCJIBANZAIJINXINGBANTUSHEJIGUOCHENGZHONG,ZUNXUNDEJIBENSHEJIYUANZEYIZHI。

  2.1 DBC基板尺寸类型


河北快3走势图  DBCJIBANCHANGJIAHUIGENJUYONGHUXUQIU,TIGONGBUTONGHOUDUDBCJIBAN(BUTONGHOUDUJUEYUANTAOCICENG、BUTONGHOUDUTONGCENG),SHICHANGSHANGXIANYOUDBCJIBANJUEYUANTAOCICENGHOUDULEIXINGZHUYAOYOU:0.25mm、0.32mm、0.38mm、0.5mm、0.63mm、1mmDENGLEIXING,BIAOMIANTONGCENGHOUDULEIXINGZHUYAOYOU:0.1mm、0.2mm、0.25mm、0.3mm、0.4mm、0.5mmDENGLEIXING。BUTONGHOUDUJUEYUANTAOCICENGDUIYINGBUTONGDEJUEYUANDENGJI,BUTONGHOUDUTONGCENGDUIYINGBUTONGDEDIANLIUCHENGZAINENGLI,YONGHUKEGENJUSUOSHEJIMOKUAIDEJUEYUANNAIYAXUQIU、DIANLIUDIANYADENGJIYIJISANRESHEJIXUQIUCAIYONGHESHILEIXINGDEDBCJIBAN。XUYAOZHUYIDESHI,YONGHUZAISHEJIXUANZEGUOCHENGZHONG,DBCJIBANSHANGXIABIAOMIANTONGCENGJINLIANGCAIYONGYIZHIHOUDU,HOUDUCHABUKECHAOYUE50um,QIEDBCJIBANTONGCENGHOUDUBUKEDAYUTAOCICENGHOUDU。TONGSHI,XIAOCHICUNDBCJIBANTONGCHANGCAIYONGMUBANCAIJIANDEFANGSHIZHIZUO,MUBANCHICUNYOUXIAN,GEGEDBCJIBANCHANGJIASUONENGTIGONGDEZUIDACHICUNMUBANGEYI,YINCIYONGHUZAIMOKUAISHEJIGUOCHENGZHONGYAOZHUYIBIMIANSUOSHEJIDEDBCJIBANBANTUCHAOYUEMUBANCHICUN,ZAOCHENGDBCJIBANSHEJISHANGDEBUHELI。

  2.2 DBC基板版图设计原则


  DBCJIBANZAIIGBTMOKUAIZHONGZHUYAOQIDAODIANQILIANJIECHENGZAIGEZHONGXINPIANDEZUOYONG,ZAIJINXINGDBCJIBANBANTUDESHEJIGONGZUOZHONG,ZHUYAOXUYAOZHUYIYIXIAJIGEFANGMIAN:

  2.2.1 上下铜层边缘距离陶瓷层边缘距离尺寸


  GONGCHENGJISHURENYUANHUIGENJUSUOSHEJIDEMOKUAIJUEYUANNAIYA、MOKUAIJIEGOUTEDIAN、XINPIANPAIBUFANGSHIDENGJIXUANZEBUTONGCHICUNDEJIBANCHICUN,SHANGXIATONGCENGBIANYUANJULITAOCICENGBIANYUANJULIYAOSHEJIHELI,YIMOUXINGDBCJIBANWEILI,RUTU2.2.1SUOSHI:

  

1537363630451579.

 

河北快3走势图  TONGCENGBIANYUANYUTAOCICENGBIANYUANJULIWEIA,AYINGZUNXUNRUXIASHEJIYUANZEA≥0.5mm±0.3mmSHEJICHICUNGUOXIAO,BUFUHESHIJI,CHANGJIAJISHUNENGLITONGCHANGWUFAMANZU,QIEDANGCHICUNGUOXIAOSHI,YOUKENENGHUIZAOCHENGSHANGBIAOMIANTONGCENGBIANYUANBUWEIXINPIANYUXIABIAOMIANTONGCENGJIANFANGDIAN,JIANGDIMOKUAIJUEYUANNAIYADENGJI,ZAOCHENGSHEJISHIBAI。


  2.2.2 上铜层版图设计铜层线径及铜层间距


河北快3走势图  DBCJIBANSHANGTONGCENGBANTUSHEJISHIDBCJIBANSHEJIDEZHUYAOGONGZUO,BANTUZHUYAOGENJUYONGHUMOKUAIJIEGOUTEDIAN、XINPIANPAIBU、SANREXINGNENGDENGYINSUJINXINGSHEJI,ZAIDBCJIBANBANTUSHEJIGUOCHENGZHONG,ZAIMANZUGEXIANGYAOQIUXIA,XUYAOZHUYIGEXINGDBCJIBANYOUZUIXIAOXIANJINGYAOQIUYIJITONGCENGZUIXIAOJIANJUYAOQIU,ZUIXIAOXIANJING、TONGCENGZUIXIAOJIANJUYUSUOXUANZEDETONGCENGHOUDUYOUGUAN,XIANJINGGUOXIAO、TONGCENGJIANJUGUOXIAOHUIZAOCHENGDBCJIBANTONGLIUNENGLIBUZU、QIJIANJIANGEJUEYUANNAIYABUZUDENGQUEXIAN。YIMOUXINGDBCJIBANWEILI,ZUNXUNBIAO2.2.2SHEJIYUANZE。

  

1537363654664127.

 

  2.2.3 上铜层版图设计铜层刻蚀误差


河北快3走势图  XIANDAIDBCJIBANBANTUTONGCHANGCAIYONGJIGUANGKESHIWANCHENG,DBCJIBANZAIJINXINGJIGUANGKESHIGUOCHENGZHONG,TONGCENGKESHIJIEMIANWEIYIYUANHUJIEMIAN,YINCIHUICUNZAIYIDINGDECHICUNWUCHA,ZAIJINXINGDBCJIBANBANTUSHEJIGUOCHENGZHONG,XUYAOEWAIZHUYI,FANGZHICHUXIANSHIWUYUSHEJIBUFUHEHUOZHESHIJIKESHIGONGYIWUFAMANZUSHEJIYAOQIUDEQINGKUANG,ZAOCHENGSHEJISHIBAI。RUTU2.2.3SUOSHI

  

1537363692437837.

 

河北快3走势图  DBCJIBANBANTUSHIJICHICUNWEIB±C,BZHIWEIGONGCHENGJISHURENYUANSHEJIZHI,HUICUNZAIYIGEWUCHAZHIC,GAIWUCHAZHIYUSUOXUANZEDEDBCJIBANTONGCENGHOUDUYOUGUAN,YIMOUXINGDBCJIBANWEILI,YINGZUNXUNRUBIAO2.2.4YUANZE。

  

1537363707823668.

 

  SAN、 JIESHUYU

河北快3走势图  IGBTMOKUAIYIBEIGUANGFANDEYINGYONGZAIXIANDAIDIANLIDIANZIJISHUZHONG,DBCJIBANZAIDIANLIDIANZIMOKUAIJISHUZHONG,ZUOWEIZHUYAODEXINPIANCHENGZAITI,QIZHONGYAODIWEIBUYANERYU。DBCJIBANSHEJIDEYOULIEZHIJIEYINGXIANGDAOMOKUAIDEDIANQIXINGNENG,ZUNXUNYIDINGDESHEJIYUANZE,HELIDEJINXINGDBCJIBANDEBANTUSHEJI,JIUKEYIWANCHENGYOUXIUDEDBCJIBANSHEJI,CONGERJIAOHAODEWANCHENGIGBTMOKUAIDEJIEGOUSHEJI。(YINGFEILINGigbtCHANGJIA)


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