1_MT6253 SMT应用简介(2)

Page Title:32 pt Arial,Please use the following font and colors for your presentation.,It is strongly recommended to use Arial for all areas of content.,The following colors are recommended for various areas.,Titles,subtitles and content:bold black.,Support text:black,gray,blue and orange.,Third level,Fourth level,Fifth level,*,1,Internal Use,Internal Use,Copyright MediaTek,Inc.,All rights reserved,.,Page Title:32 pt Arial,Please use the following font and colors for your presentation.,It is strongly recommended to use Arial for all areas of content.,The following colors are recommended for various areas.,Titles,subtitles and content:bold black.,Support text:black,gray,blue and orange.,Third level,Fourth level,Fifth level,MT6253(aQFN),SMT&,ApplicationIntroduction,2010/01,Prepared,by:,ZhongXin,Approvedby:RioChiang,E-mail:,customer_,内容,MT6253,介绍,WhatisaQFN,aQFN,sAdvantagevs,TFBGA&QFN,客户,量,量产,问,问题,集,集,解决,方,方法,：,：,PCB,设计,解决,方,方法,：,：钢,网,网设,计,计,MT6253,(aQFN)TaskForceTeam,Appendix,1,MT6253,介绍,Mediatek,将于,2009,年,Q4,推出,首,首款,GSM/GPRS,单芯,片,片方,案,案,MT6253,MT6253,集成,了,了数,字,字基,频,频,(DBB),，模,拟,拟基,频,频,(ABB),，电,源,源管,理,理,(PM),，射,频,频收,发,发器,(RF),。支,持,持手,机,机相,机,机，,高,高速,USB,，及,D,类音,频,频功,放,放,MT6253=MT6225+MT6318+MT6139,MT6253,采用,了,了新一,代,代封,装,装技,术,术,(aQFN),MT62,53N,0930,-,BFAL,DSPK54-04-1G2-52,MT6253,正印,2,WhatisaQFN,aQFNmeansAdvancedQFN,Features,Low,Cost,Profile,and,L,ightweight,Excellent,T,hermal/Electrical,P,erformance,ExcellentAnti-drop-&-twistcapability,HighI/Ocountupto400,Leadless&multi-rowpackage,Free-formI/Odesign,Power/Groundring,Fineleadpitch0.4mm,GND,aQFN,QFN,TFBGA,0.6-0.85,0.85-1,1-1.2,PKGheight(mm),3,BT-RESIN,PAD(Cu),SolderBall,(SAC305),SolderMask,IMClayer,Au/Ni/SAC305,aQFN,TFBGA,aQFN,sAdvantagesvs,TFBGA&QFN,Package Structure,aQFN(MT6253),TFBGA(MT622,5,MT6318,),QFN(MT6139),Cost,Medium,High,Low,Thermal,Excellent,Medium,Excellent,Electrical,Excellent(Lead-frame),Medium(Substrate),Excellent,Anti-drop-&-twist,Excellent,Medium,Excellent,PKG profile,Low,High,Medium,Wire bond-ability,Good,Good,Medium,0.4mm Pitch,Yes,Yes,Yes,SMT,ability,Medium(,Few experience,),Good(Solder ball),Good(Single-row),Rework,Method,1.,Pre-solder,(Fresh),2.,Good SOP&Good Yield,Re-ball(Mature),Solder Iron(Mature),4,+,客户,量,量产,问,问题,集,集,5,截至,3/12,，,18,客户,已,已经,MP,共生,产,产,802K.,平均,良,良率,99.3%,PCBLayoutsuggestionforE-padarea:,推荐,与,与,IC,接地,焊,焊盘,相,相同,尺寸,(,即封,装,装库,1,：,1,的,面积,比例,),制作,E-Pad.,PCBLayoutsuggestionforSignalPad,：,推荐,制,制作,直径,为,0.27mm,的圆,形,形,焊盘,(,按封,装,装库,1:1,制作,),，精,度,度控,制,制在,+/-0.02mm,禁止,在,在,PCB,表层,使,使用,铺,铺铜,设,设计,.,为保,证,证接,地,地性,能,能，,RFGND,间建,议,议做,成,成网,格,格状,走,走线,或,或将,GNDPad,连通,到,到内,层,层的,GND,平面,.,表层,走,走线,线,线宽,尽,尽量,控,控制,在,在,0.2mm,以内,。,。,Pad,与,Pad,之间,留,有阻,焊,焊桥,.,解决,方,方法,:PCB,设计,X,E-Pad,表层,不,不铺,铜,铜,表层,铺,铺铜,6,StencilOpeningsuggestionforE-padarea:,推荐,钢,钢网,开,开口,面,面积,为,PCBE-Pad,面积,的,的,30%,40%.,推荐,钢,钢网,开,开口,边,边缘,距,距离,PCB,焊盘,边,边缘,0.2mm,以上,.,建议,将,将钢,网,网开,口,口区,域,域分,割,割成,为,为边,长,长小,于,于,2mm,的大,小,小相,等,等方,块,块,.,StencilOpeningsuggestionforSignalPad,：,推荐,采,采用,0.1mm,厚的,钢,钢网,.,推荐,SignalPad,开口,边,边长,（,（直,径,径）,在,在,0.27mm0.28mm,之间,.,建议,将,将其,外,外形,制,制作,成,成方,形,形,倒角,或,或,圆形,.,解决,方,方法,：,：钢,网,网设,计,计,E-Pad,MT6253,Thickness,Opening,E-Pad,0.1mm,30%-40%Area,Signal Pad,0.1mm,0.2,7,0.2,8,方形或圆形,7,MT6253,(aQFN)TaskForceTeam:,PCBDesign/StencilGuide,a,QFNReliabilityIntroduction,aQFNSMT,试产,体,体验,计,计划,8,(,p,ageA-1&2),(,p,ageA-3&6),(,p,ageA-7),Copyright,MediaTek,Inc.,Allrightsreserved,.,Appendix,PCBPadDesignGuidelineforaQFN,Land,Terminal,Land,Land,Copper,Solder,Thickness,Opening,0.8mm,0.4mm,Square,Squre,0.43mm,0.53mm,0.12mm,0.48mm,0.8mm,0.4mm,Circle,Circle,0.43mm,0.53mm,0.12mm,0.48mm,0.65mm,0.35mm,Square,Squre,0.375mm,0.475mm,0.12mm,0.4mm,0.65mm,0.35mm,Circle,Circle,0.375mm,0.475mm,0.12mm,0.4mm,0.5mm,0.3mm,Square,Squre,0.325mm,0.425mm,0.1mm,0.38mm,0.5mm,0.3mm,Circle,Circle,0.325mm,0.425mm,0.1mm,0.38mm,0.5mm,0.25mm,Square,Squre,0.275mm,0.375mm,0.1mm,0.33mm,0.5mm,0.25mm,Circle,Circle,0.275mm,0.375mm,0.1mm,0.33mm,0.475mm,0.27mm,Circle,Circle,0.27mm,0.3mm,0.1mm,0.27mm,0.4mm,0.2mm,Square,Squre,0.225mm,0.3mm,0.1mm,0.225mm,0.4mm,0.2mm,Circle,Circle,0.225mm,0.3mm,0.1mm,0.225mm,aQFN Package,PCB Pad Design,Stencil,A-1,Stencil,A,perture,D,esignrule,MT6253 PKG,PCB Land Pad Design,Stencil,Land Pitch,Terminal size,Land Shape,Land Shape,Copper Pad,Solder Mask,Thickness,Terminal,Opening,0.475,0.27,Circle,Circle,0.27,(,note1,),0.3,0,(,note2,),0.1,0.23 0.27,GND,Opening,Thermal pad,Square,Opening,Matrix,Gap,7X7,0.5,(,note3,),8X8,0.25,0.33,GND,Unit:mm,Note:,1.Pad,尺寸,与,与,PCB,板厂,制,制作,能,能力,决,决定，此,为,为推,荐,荐值,，,，钢,网,网开,口,口尺,寸,寸与,此,此值,强,强相,关,关,2.,由,PCB,板厂,制,制作,能,能力,决,决定，此,为,为推,荐,荐值,3.,请在,方,方框,周,周边,倒,倒,R=0.075mm,的圆,角,角,A-2,MoistureSensibilityLevelTest,A-3,BoardLevel-DropTest-1,A-4,BoardLevel-DropTest-2,A-5,PackageWrapage-Twist,A-6,客户,体,体验,计,计划,DummyIC,POD,Proposal&Flow:,1.,客户成,立,立,TFT,小组,M,SZ,SA,与,CS,工程师,将,将协同,运,运作,2.,MTK,提供,1K,DummyIC,与,100,片,DaisyPCB,并请,客户安,排,排两次,SMT,体验试,产,产,.,3.,每次试,产,产前,MSZ,工程师,会,会与,TFTstudy,与制定,相,相关,参数后,生,生产,如有必,要,要两次,试,试产中,间,间,会邀请,台,台湾封,装,装,厂与相,关,关技术,人,人员至,工,工厂作,技,技术指,导,导与,De-bug.,MT6253,DaisyChain,DaisyPC