AstecPower Supply DFMEA_ Rev A_

1、张张飞飞实实战战电电子子官官方方网网站站： 点点击击打打开开（广广告告勿勿扰扰100%100%拒拒绝绝水水贴贴，1010名名疯疯狂狂工工程程师师运运营营的的网网站站，有有问问必必答答）Astec Power Supply Document DataProject Name: Astec Power SupplyDate: 七七月月 11,11, 20072007Revision:ABy:Ricky FungProject Code:NAESG Kit Number(s): 2505237R06Program Manager:EE Lead Engineer:EE Engineer:Test E

2、ngineer:Product Functional Spec. #: 2505237R06Revision:DProduct Test Spec #:Revision:Product Schematic #:Revision:Product PCB/Flex Layout #:Revision:Revision TrackingDateOriginatorRevisionCommentsOInitial release Save this document using thefollowing filename convention:projectbasename projectcodeFM

3、EArevletter.xls张张飞飞实实战战电电子子官官方方网网站站： 点点击击打打开开（广广告告勿勿扰扰100%100%拒拒绝绝水水贴贴，1010名名疯疯狂狂工工程程师师运运营营的的网网站站，有有问问必必答答）Astec Power Supply Document DataRevision TrackingCommentsInitial release Save this document using thefollowing filename convention:projectbasename projectcodeFMEArevletter.xls张张飞飞实实战战电电子子官官方方网网

4、站站： 点点击击打打开开（广广告告勿勿扰扰100%拒拒绝绝水水贴贴，10名名疯疯狂狂工工程程师师运运营营的的网网站站，有有问问必必答答）#REF!#REF!July 11th 2007 #REF!#REF!#REF!#REF!#REF!EE Engineer: EE Lead Engineer: Test Engineer: #REF!Ref. Desig.Component TypePinDesig.PinFunctionFault ModePrimary Fault EffectBD1Bridge Diodepin 1 (-)OpenF1 openBD1Bridge Diodepin 1

5、(-)SHORT to Pin 2F1 openBD1Bridge Diodepin 1 (-)SHORT to Pin 3F1 openBD1Bridge Diodepin 1 (-)SHORT to Pin 4F1 openBD1Bridge Diodepin 1 (-)OPENNo input powerBD1Bridge Diodepin 2 ()SHORT to Pin 3F1 openBD1Bridge Diodepin 2 ()SHORT to Pin 4F1 openBD1Bridge Diodepin 2 ()OPENNo input powerBD1Bridge Diode

6、Pin 3 ()SHORT to Pin 4F1 openBD1Bridge DiodePin 3 ()OPENNo input powerBD1Bridge DiodePin 4 (+)OPENNo input powerC1Capacitor - X-CapSHORTdamage users fuseC1Capacitor - X-CapOPENpoor EMIC2Y-capSHORTlose isolation from primary tosecondary.No primary/secondaryisolation, shock hazardC2Y-capOPENdegraded E

7、MI and RF desenseperformance C3Y-capSHORTlose isolation from primary tosecondary.No primary/secondaryisolation, shock hazardC3Y-capOPENdegraded EMI and RF desenseperformance C4Y-capSHORTlose isolation from primary tosecondary.No primary/secondaryisolation, shock hazardC4Y-capOPENdegraded EMI and RF

8、desenseperformance C5Capacitor - FilmPart Reversedpoor EMIC5Capacitor - FilmSHORTF1 openC5Capacitor - FilmOPENpoor EMIC6Capacitor - FilmPart Reversedpoor EMIC6Capacitor - FilmSHORTF1 openC6Capacitor - FilmOPENpoor EMIC7Capacitor - ElyticPart ReversedF1 openC7Capacitor - ElyticOPENoutput voltage ripp

9、le increasedC7Capacitor - ElyticShortF1 openC8Capacitor - ChipOPENno switching Q4C8Capacitor - ChipSHORTno switching Q4C9Capacitor - ChipOPEN no switching Q5C9Capacitor - ChipSHORTno switching Q5C10Capacitor - ChipSHORTpoor EMIC10Capacitor - ChipOPEN no switching Q4C11Capacitor - ChipSHORTpoor EMIC1

10、1Capacitor - ChipOPEN no switching Q5C12Capacitor - ChipOPEN More susceptible to RF interferenceC12Capacitor - ChipSHORTno current detection ,F1 open C13Capacitor - ceramicSHORTloss of Voltage feedback - OVPC13Capacitor - ceramicOPENpoor EMI/ increase power lossC14Capacitor - ceramicSHORTpoor EMIC14

11、Capacitor - ceramicOPENpoor EMI/ increase power lossC15Capacitor - ceramicSHORTpoor EMIC15Capacitor - ceramicOPENpoor EMI/ increase power lossC16Capacitor - ChipSHORTpoor EMIC16Capacitor - ChipOPENoutput shortedC17Capacitor - ChipSHORTC17Capacitor - ChipOPENC18Capacitor - ElyticPart ReversedCV feedb

12、ack unstableC18Capacitor - ElyticOPENprimary oscillator wont function C18Capacitor - ElyticSHORTnone of VccC19Capacitor - ChipSHORToutput shortedC19Capacitor - ChipOPENpoor EMIC20Capacitor - ChipShortoutput shortedC20Capacitor - ChipOpenloss of regulationC21Capacitor - ChipShortno current limit C21C

13、apacitor - ChipOpenincrease mistake actionC22 Capacitor - ElyticPart ReversedCapacitor will damage resulting in highoutput rippleC22 Capacitor - ElyticOPENincrease ripple nosie to output C22 Capacitor - ElyticSHORTLoss of regulation, short outputC23Capacitor - ChipShortLoss of regulation, short outp

14、utC23Capacitor - ChipOpenloss of regulation,C24Capacitor - ElyticPart ReversedCapacitor will damage resulting in highoutput rippleC24Capacitor - ElyticOPENincrease ripple nosie to output C24Capacitor - ElyticSHORTLoss of regulation, ultimate short outputC25Capacitor - ChipShortLoss of regulation, sh

15、ort outputC25Capacitor - ChipOpenloss of regulation, C26Capacitor - ChipShortno CC mode regulationC26Capacitor - ChipOpenloss of regulation,C27 (no use)Capacitor - ChipShortoutput shortedC28Capacitor - ElyticPart ReversedCapacitor will damage resulting in highoutput rippleC28Capacitor - ElyticOPENin

16、crease nosie to IC1C28Capacitor - ElyticSHORTno supply IC1C29Capacitor - ElyticPart ReversedCapacitor will damage resulting in highoutput rippleC29Capacitor - ElyticOPENincrease ripple nosie to output C29Capacitor - ElyticSHORTLoss of regulation, ultimate short outputC30 (no use)Capacitor - ElyticPa

17、rt ReversedCapacitor will damage resulting in highoutput rippleC30 (no use)Capacitor - ElyticOPENincrease ripple nosie to output C30 (no use)Capacitor - ElyticSHORTLoss of regulation, ultimate short outputC31Capacitor - ChipShortno VCC to IC1C31Capacitor - ChipOpenincrease noise to IC1C32Capacitor -

18、 ChipShortno VCC to IC200C32Capacitor - ChipOpenpoor EMIC33 (no use)Y-capSHORTESD failC34Y-capSHORTlose isolation from primary tosecondary.No primary/secondaryisolation, shock hazardC34Y-capOPENlose isolation from primary tosecondary.No primary/secondaryisolation, shock hazardC35Y-capSHORTdegraded E

19、MI and RF desenseperformance C35Y-capOPENlose isolation from primary tosecondary.No primary/secondaryisolation, shock hazardC36Capacitor - ChipShortC36Capacitor - ChipOpenC37Capacitor - ChipShortC37Capacitor - ChipOpenC38Capacitor - ChipShortC38Capacitor - ChipOpenC39Capacitor - ChipShortC39Capacito

20、r - ChipOpenC40Capacitor - ElyticPart ReversedC40Capacitor - ElyticOPENC40Capacitor - ElyticSHORTC41Capacitor - ChipShortC41Capacitor - ChipOpenC102Capacitor - ChipShortloss of regulation for PFC IC100C102Capacitor - ChipOpenloss of regulation for PFC IC100C104Capacitor - ChipShortloss of regulation

21、 for PFC IC100C104Capacitor - ChipOpenloss of regulation for PFC IC100C106Capacitor - ChipShortno current detection ,F1 OPEN C106Capacitor - ChipOpenincrease noise to IC100C107Capacitor - ChipShortno feedbck to IC100C107Capacitor - ChipOpenno feedbck to IC100C108Capacitor - ChipShortno feedbck to IC

22、100C108Capacitor - ChipOpenloss of regulation, C109Capacitor - ElyticPart ReversedCapacitor will damageC109Capacitor - ElyticOPENno VCC to IC100C109Capacitor - ElyticSHORTno VCC to IC100C110Capacitor - ChipShortno signal to IC100, IC100 not work C110Capacitor - ChipOpenincrease noise to IC100C111Cap

23、acitor - ChipShortno VCC to IC100C111Capacitor - ChipOpenincrease noise to IC100C113Capacitor - ChipShortno signal to IC100, IC100 not work C113Capacitor - ChipOpenincrease noise to IC100C200Capacitor - ElyticPart ReversedCapacitor will damageC200Capacitor - ElyticOPENincrease mistake actionC200Capa

24、citor - ElyticSHORTbrown out C201Capacitor - ChipShortno current detection ,F1 OPEN C201Capacitor - ChipOpenlincease noise to IC200C202Capacitor - ChipShort OVP failC202Capacitor - ChipOpenincrease nosie to IC200C203Capacitor - ChipShortno vcc to IC200C203Capacitor - ChipOpenincrease noise to IC100C

25、204Capacitor - ElyticPart ReversedCapacitor will damageC204Capacitor - ElyticOPENno vcc to IC200C204Capacitor - ElyticSHORTno vcc to IC200C205Capacitor - ChipShortno signal to Q204, IC100 not work C205Capacitor - ChipOpenincrease noise to Q204C206Capacitor - ChipShortNo primary switchingC206Capacito

26、r - ChipOpenNo primary switchingC208Capacitor - ChipShortOVP failC208Capacitor - ChipOpenincrease noise to Q207C209Capacitor - ChipShortOVP failC209Capacitor - ChipOpenincrease noise to Q207C210 (no use)Capacitor - ChipShortno signal to Q207C211Capacitor - ChipShortC7 cannt bouncingC211Capacitor - C

27、hipOpenincrese noise to IC201D1Diode - RectifierOPENIC100 can not start upD1Diode - RectifierSHORTIC100 can not start upD1Diode - RectifierPart ReversedIC100 can not start upD2Diode - RectifierSHORTpoor EMI /increase power lossD2Diode - RectifierOPENpoor EMI /increase power lossD2Diode - RectifierPa

28、rt Reversedpoor EMI /increase power lossD3Diode - RectifierOPENcan first start up IC200D3Diode - RectifierSHORTPFC IC100 can not work D3Diode - RectifierPart Reversedcan first start up IC200D4Diode - RectifierSHORTPFC IC100 can not work D4Diode - RectifierOPENPFC IC100 not work D4Diode - RectifierPa

29、rt ReversedPFC IC100 not work D5Diode - RectifierSHORT Q4 no switching D5Diode - RectifierOPEN Q4 no switching D5Diode - RectifierPart Reversed Q4 no switching D6Diode - RectifierSHORT Q5 no switching D6Diode - RectifierOPEN Q5 no switching D6Diode - RectifierPart Reversed Q5 no switching D7Diode -

30、RectifierSHORTSwitching Q4 - hickupD7Diode - RectifierOPENQ4 no swiching D7Diode - RectifierPart ReversedQ4 no swiching D8Diode - RectifierSHORTSwitching Q4 - hickupD8Diode - RectifierOPENQ4 no swiching D8Diode - RectifierPart ReversedQ4 no swiching D9Diode - RectifierSHORTno current detection ,F1 O

31、PEN D9Diode - RectifierOPENno current detection ,F1 OPEN D9Diode - RectifierPart Reversedno current detection ,F1 OPEN D10Diode - RectifierSHORTpoor EMI /increase power lossD10Diode - RectifierOPENpoor EMI /increase power lossD10Diode - RectifierPart Reversedpoor EMI /increase power lossD11Diode - R

32、ectifierSHORTno continuous Vcc to IC200D11Diode - RectifierOPENno vcc to IC200D11Diode - RectifierPart Reversedno vcc to IC200D12Diode - RectifierSHORTQ4 damage ,F1 OPEN D12Diode - RectifierOPENdamage unit hazardD12Diode - RectifierPart ReversedF1 openD13Diode - RectifierSHORTQ5 damage ,F1 OPEN D13D

33、iode - RectifierOPENdamage unit hazardD13Diode - RectifierPart ReversedF1 openD14Diode - RectifierSHORTincrease turn on speed D14Diode - RectifierOPENincrease nosie D14Diode - RectifierPart Reversedincrease nosie D15Diode - RectifierSHORTincrease turn on speed D15Diode - RectifierOPENincrease nosie

34、D15Diode - RectifierPart Reversedincrease nosie D16Diode - RectifierSHORTno continuous Vcc to IC200D16Diode - RectifierOPENno Vcc to IC200D16Diode - RectifierPart Reversedno Vcc to IC200D17Diode - RectifierSHORTnoneD17Diode - RectifierOPENno Vcc to IC1D17Diode - RectifierPart Reversedno Vcc to IC1D1

35、8Diode - RectifierSHORTincrease turn on speed /poor EMID18Diode - RectifierOPENincrease nosie /poor EMI D18Diode - RectifierPart Reversedincrease nosie /poor EMI D19Diode - RectifierSHORTincrease turn on speed D19Diode - RectifierOPENincrease nosie D19Diode - RectifierPart Reversedincrease nosie D20

36、Diode - RectifierSHORTD20Diode - RectifierOPEND20Diode - RectifierOPEND21Diode - RectifierSHORTD21Diode - RectifierOPEND21Diode - RectifierOPEND22Diode - RectifierSHORTD22Diode - RectifierOPEND22Diode - RectifierOPEND23Diode - RectifierSHORTD23Diode - RectifierOPEND23Diode - RectifierOPEND24Diode -

37、RectifierSHORTD24Diode - RectifierOPEND24Diode - RectifierOPEND100Diode - RectifierSHORTPFC no feed back D100Diode - RectifierOPENPFC no feed back D100Diode - RectifierPart ReversedPFC no feed back D200Diode - RectifierSHORTbrown outD200Diode - RectifierOPENbrown out fail D200Diode - RectifierPart R

38、eversedbrown out fail D201Diode - RectifierSHORTincrease turn on speed D201Diode - RectifierOPENincrease nosie D201Diode - RectifierPart Reversedincrease nosie D202Diode - RectifierSHORTno continuous Vcc to U1 pin7D202Diode - RectifierOPENno Vcc to U1 pin7D202Diode - RectifierPart Reversedno Vcc to

39、U1 pin7Z200Diode - RectifierSHORTbrown out Z200Diode - RectifierOPENbrown out fail Z200Diode - RectifierPart Reversedbrown out Z201Diode - RectifierSHORTno vcc to IC200Z201Diode - RectifierOPENOVP Z201Diode - RectifierPart Reversedno vcc to IC200Z202Diode - RectifierSHORTbrown out Z202Diode - Rectif

40、ierOPENbrown out fail Z202Diode - RectifierPart Reversedbrown out Z10Diode - RectifierSHORTQ4 no switchingZ10Diode - RectifierOPENno clamp protection Z10Diode - RectifierPart ReversedQ4 no switchingZ11Diode - RectifierSHORTQ5no switchingZ11Diode - RectifierOPENno clamp protection Z11Diode - Rectifie

41、rPart ReversedQ5no switchingF1FuseOPENLoss of CV regulation - OVPF1FuseSHORTNo power inputL1ChokeshortLoss of protectionL1Chokeopenpoor EMIL2Chokeshortno power to unitL2Chokeopenpoor EMIL3Common-mode Chokepin 1OPENno power to unitL3Common-mode Chokepin 1SHORT to pin 2no power to unitL3Common-mode Ch

42、okepin 1,2SHORT to pin 3degraded EMI performanceL3Common-mode Chokepin 1,2SHORT to pin 4F1 openL3Common-mode Chokepin 2OPENF1 openL3Common-mode Chokepin 3OPENno power to unitL3Common-mode Chokepin 3SHORT to pin 4no power to unitL3Common-mode Chokepin 4OPENdegraded EMI performanceL4Common-mode Chokep

43、in 1OPENno power to unitL4Common-mode Chokepin 1SHORT to pin 2no power to unitL4Common-mode Chokepin 1,2SHORT to pin 3degraded EMI performanceL4Common-mode Chokepin 1,2SHORT to pin 4F1 openL4Common-mode Chokepin 2OPENF1 openL4Common-mode Chokepin 3OPENno power to unitL4Common-mode Chokepin 3SHORT to

44、 pin 4no power to unitL4Common-mode Chokepin 4OPENdegraded EMI performanceL5ChokeSHORTno power to unitL5ChokeOPENpoor EMIL6PFC inductorSHORTPFC does not workL6PFC inductorOPENPFC does not workL7 inductorSHORTPFC does not workL7 inductorOPENno power to output L8Common-mode Chokepin 1OPENno power to o

45、utput - OVPL8Common-mode Chokepin 1SHORT to pin 2no power to output - OVPL8Common-mode Chokepin 1,2SHORT to pin 3degraded EMI performanceL8Common-mode Chokepin 1,2SHORT to pin 4Output shortedL8Common-mode Chokepin 2OPENOutput shortedL8Common-mode Chokepin 3OPENno power to output - OVPL8Common-mode C

46、hokepin 3SHORT to pin 4no power to output - OVPL8Common-mode Chokepin 4OPENdegraded EMI performanceL10 inductorSHORTno power to output - OVPL10 inductorOPENno power to output VDR1varistorSHORTno VCC to IC200VDR1varistorOPENF1 openTH1ThermistorOPENline surge failTH1ThermistorSHORTNo power inputTH2The

47、rmistorOPENinrush higherTH2ThermistorSHORTNo power inputQ1FETdSHORT pin 3inrush higherQ1FETdOPENF1 openQ1FETgSHORT pin2No PFC switchingQ1FETgOPENFet shorts instantly, F1 open, Q1FETsOPENno oscillatorQ2PNPeSHORT pin 1Q4 turn off slowQ2PNPeOPENQ4 turn off slowQ2PNPbSHORT pin 3Q4 no switchingQ2PNPbOPEN

48、Q4 turn off slowQ2PNPcOPENQ4 turn off slowQ3PNPeSHORT pin 1Q5 turn off slowQ3PNPeOPENQ5 turn off slowQ3PNPbSHORT pin 3Q5 no switchingQ3PNPbOPENQ5 turn off slowQ3PNPcOPENQ5 turn off slowQ4FETdSHORT pin 3No PFC switchingQ4FETdOPENF1 openQ4FETgSHORT pin2No primary switchingQ4FETgOPENFet shorts instantl

49、y, F1 open, Q4FETsOPENno oscillatorQ5FETdSHORT pin 3No primary switchingQ5FETdOPENF1 openQ5FETgSHORT pin2No primary switchingQ5FETgOPENFet shorts instantly, F1 open, Q5FETsOPENno oscillatorQ6NPNeSHORT pin 1no current limit protectionQ6NPNeOPENno current limit protectionQ6NPNbSHORT pin 3Loss of regul

50、ation Q6NPNbOPENno current limit protectionQ6NPNcOPENno current limit protectionQ7FETdSHORT pin 3No PFC switchingQ7FETdOPENF1 openQ7FETgSHORT pin2No primary switchingQ7FETgOPENFet shorts instantly, F1 open, Q7FETsOPENno oscillatorQ8FETdSHORT pin 3No primary switchingQ8FETdOPENF1 openQ8FETgSHORT pin2

51、No primary switchingQ8FETgOPENFet shorts instantly, F1 open, Q8FETsOPENno oscillatorQ9FETdSHORT pin 3No primary switchingQ9FETdOPENF1 openQ9FETgSHORT pin2No primary switchingQ9FETgOPENFet shorts instantly, F1 open, Q9FETsOPENno oscillatorQ10NPNeSHORT pin 1discrease IC4 output1 switching signal Q10NP

52、NeOPENNo switching signal to Q7Q10NPNbSHORT pin 3No switching signal to Q7Q10NPNbOPENNo switching signal to Q7Q10NPNcOPENNo switching signal to Q7Q11PNPeSHORT pin 1Q7 turn off slowQ11PNPeOPENQ7 turn off slowQ11PNPbSHORT pin 3Q7 no switchingQ11PNPbOPENQ7 turn off slowQ11PNPcOPENQ7 turn off slowQ12NPN

53、eSHORT pin 1discrease IC4 output1 switching signal Q12NPNeOPENNo switching signal to Q8,9Q12NPNbSHORT pin 3No switching signal to Q8,9Q12NPNbOPENNo switching signal to Q8,9Q12NPNcOPENNo switching signal to Q8,9Q13PNPeSHORT pin 1Q7 turn off slowQ13PNPeOPENQ7 turn off slowQ13PNPbSHORT pin 3Q7 no switc

54、hingQ13PNPbOPENQ7 turn off slowQ13PNPcOPENQ7 turn off slowQ101PNPeSHORT pin 1no feedbck to IC100Q101PNPeOPENno feedbck to IC100Q101PNPbSHORT pin 3no feedbck to IC100Q101PNPbOPENno feedbck to IC100Q101PNPcOPENno feedbck to IC100Q200NPNeSHORT pin 1discrease IC200 primary switchingsignal Q200NPNeOPENNo

55、 primary switching Q200NPNbSHORT pin 3No primary switching Q200NPNbOPENNo primary switching Q200NPNcOPENNo primary switching Q201PNPeSHORT pin 1brown out Q201PNPeOPENbrown out fail Q201PNPbSHORT pin 3brown out fail Q201PNPbOPENbrown out fail Q201PNPcOPENbrown out fail Q202NPNeSHORT pin 1OVP failQ202

56、NPNeOPENOVP failQ202NPNbSHORT pin 3OVP failQ202NPNbOPENOVP failQ202NPNcOPENOVP failQ203PNPeSHORT pin 1primary switching turn off slowQ203PNPeOPENprimary switching turn off slowQ203PNPbSHORT pin 3 no primary switchingQ203PNPbOPENprimary switching turn off slowQ203PNPcOPENprimary switching turn off sl

57、owQ204FETdOPENPFC IC100 no VCCQ204FETgSHORT pin2No primary switchingQ204FETgOPENPFC IC100 no VCCQ204FETsOPENPFC IC100 no VCCQ205PNPeSHORT pin 1 IC100 no vcc Q205PNPeOPEN IC100 no vcc Q205PNPbSHORT pin 3 IC101 no vccQ205PNPbOPEN IC101 no vccQ205PNPcOPEN IC101 no vccQ206NPNeSHORT pin 1no vcc to IC100,

58、IC200Q206NPNeOPENno vcc to IC100,IC200Q206NPNbSHORT pin 3no vcc to IC100,IC200Q206NPNbOPENno vcc to IC100,IC200Q206NPNcOPENno vcc to IC100,IC200Q207NPNeSHORT pin 1OVP failQ207NPNeOPENOVP failQ207NPNbSHORT pin 3OVP failQ207NPNbOPENOVP failQ207NPNcOPENOVP failQ208PNPeSHORT pin 1OVP failQ208PNPeOPENOVP

59、 failQ208PNPbSHORT pin 3OVP failQ208PNPbOPENOVP failQ208PNPcOPENOVP failQ209 (no use)FETdSHORT pin 3Q209 (no use)FETdOPENQ209 (no use)FETgSHORT pin2Q209 (no use)FETgOPENQ209 (no use)FETsOPENQ210 (no use)FETdSHORT pin 3Q210 (no use)FETdOPENQ210 (no use)FETgSHORT pin2Q210 (no use)FETgOPENQ210 (no use)

60、FETsOPENQ211FETdOPENC7 cannt bouncingQ211FETgSHORT pin2C7 cannt bouncingQ211FETgOPENC7 cannt bouncingQ211FETsOPENC7 cannt bouncingR1Resistor - ChipOPENNo primary switchingR1Resistor - ChipSHORTX-Cap may not dischargeR2Resistor - ChipOPENR2 has overvoltageR2Resistor - ChipSHORTX-Cap may not discharge