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Title:

Find MOSFET

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Title: PowerPoint Presentation Author: nkpoon Last modified by: Brian Created Date: 3/23/2002 6:18:53 AM Document presentation format: On-screen Show – PowerPoint PPT presentation

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Title: Find MOSFET


1
??????
2
???????. . .
  • ?????
  • ????
  • ??????????
  • 100??????????
  • ???!!

3
?????????????
  • ????????????????????????.

4
????????
  • ???????????????7?????????.

5
???????
6
??????
PowerEsim??
????????
  • RdsCrss
  • Vftrrm
  • CV
  • k1, k2, k3
  • Current density
  • Find MOSFET
  • Find Diode
  • Find Capacitor
  • Find Core
  • Find Wire
  • ???????!
  • ?????????
  • ???????????????

7
PowerEsim vs ????
PowerEsim ???????
????????????
??
?????????
8
????-???????
  • ???????????????????????, ? 160W TDA4863 for PFC
    front end.

9
??????
  • ?????????????
  • ???????????????????
  • ?????????????????????

10
??????????. . .
???????????????, ???????????????????
11
???????
  • ??????????????????????????????????.

12
?????
  • ?Detail Spec.
  • ?????????

13
?????????
  • ??????????????
  • ?????????
  • ???Recommend Design

14
???????
??????????
  • ?????????????????????????????.

15
????????
  • ??Topologies
  • ????????????.
  • ??????????PWM????.

16
??PWM????
  • ??PWM????????.
  • ??PWM????.
  • ??PWM??????????.

17
?? . . .
???????????????
??? Initialize Design
18
???????
  • ????, ?????????????????.
  • ???????????????.
  • ?????Loss

19
???????
  • ????-??????????.
  • ?????????????????.
  • ??????????????????.

20
?????????
  • ??? A B
  • Vin 85 V 240 V
  • Io 3.75 A 2 A
  • Pd 14.7 W 7.7 W

21
??????
  • ???? ????????.

22
???????????
  • ???????????????.
  • ??????????????????????.

23
???, ?, ?, ??????
  • ??????? - ?????????????????.
  • ????????? - ?????????????????.
  • ????????? - ?????????????????.

24
????, ??????????
25
???????????????
26
?????????????
27
?????? Smart Optimizer
?Select All
????????????
28
?????? ?????
  • ???????????
  • ???, ????100??????.
  • ?? Smart Optimizer

29
???????
10 resistor
1
x
10 MOSFET
2
x


x
10
10 diode
1010 ??
31 ????
30
?????? ????
???
???? Search for good component
????
BU60
BU60
SPD07N60C3
SPD07N60C3
SPN04N60C2
SPN04N60C2
SPB07N60S5
SPB07N60S5
IPP50R520CP
IPP50R520CP
31
????????
  • ????????????.
  • ???????????.
  • ????????????.

32
?????????
  • ???????????????????????????.
  • ??????Rectifier Type ???Active Diode

33
??????MOSFET
  • ??????????.
  • ????????????????????trrm.

34
???????
  • 0.5W????????
  • 2.54W ????????

35
????T1????
36
??????????????
????
37
????????????
  • ?????? Magnetic Builder????????????

38
???????????
  • ?????????????????, ? Flyback Xformer?Input
    Choke

39
????????????
  • ???????????. ?? Recommend Design
  • ??????????????, ???????, ??, ?????????????????????
    ??.

40
????????
  • ??Advanced?????????????, ???????????.

41
?????????
  • ???Ae???.
  • ????????.
  • ???????.

42
?????????
  • ????preview winding
  • ???????????.
  • ????, ????????????.

43
??????
  • ??Inductance
  • ???????
  • ???????????????????????.
  • ?????????.

44
???????
  • ??Change Number of Turn
  • ??????.
  • ??????????????????????.
  • ??????????.

45
??????!
  • ??Preview Winding
  • ??????????????????.

46
??????
  • ?No. of Parallel Wire
  • ?????????????.

47
?????
  • ??Use copper foil
  • ???????????.

48
????????
  • ??More
  • ???Add Primary Winding?Add Second
    Winding???????.
  • ???More???Faraday Shield

49
??????????
50
?????
  • ???????????????.

51
?????
  • ???????????????????????.

52
???????
  • ?????????????, ??, ?????????????.

53
?????????
  • ??????????????, ?????????????????.
    ?Tight??????????, ?Shared?????????????.

54
??????????
  • ??????????????, ???????????????????????.

55
????????
  • ????, ?????????Bobbin Setting???.

56
?????????? . .
  • ????????????.
  • ????????????.
  • ?????????
  • ???????.
  • ??????????.
  • ??????????.
  • ??????????????. . . . .

57
??????????
  • ????Generate Drawing???????.
  • ???????????, ?????????????.

58
??? ????????????
59
???????????
  • ???????????????.
  • ?????????????PCB??.
  • ??????????????????.

60
??? ????
  • ??????????????????????.
  • ?????Nor-mal????????????.

61
??? ?????
  • ?????????????????.
  • ??????????????.

62
??? ????
  • ????????, ??? shift???????????????.
  • ??????????????????, ??????????.

63
??? ??????
  • ?????????, ????????????????????.

64
DVT ???????
  • DVT ?????????????????, ????????????????.

65
MTBF ????
66
?????????
  • ???????????, ???????, ?DVT, MTBF?,
    ?????????????????????, ????, ???????????????.

67
???? ??????
  • ?????????????????????????.

68
???? ??????
  • ???????????, ?????????.
  • ??Automatic Compensation
  • ?????????????????????????. ?????Enable for
    Automatic Loop Compensation ????????????.

69
???? ???????
  • ???????????????????????????.

70
????Harmonic ??????????
  • ????????????, ?????, ??, ?????????.

71
???? ????????
  • ??????????????.

72
??? ????????
  • ????????????????????????.

73
??? ?????????
  • ??????????????????, ???????????????.

74
???? ????????
  • ???? ???????????Excel????. ???????????.

75
?? ???????
  • ?????????????????PowerEsim???.

76
????
???
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