Half Bridge ATX 300W SMPS

ICs: SG6105 Contents

A. Schematic.P2

B. BOM..P5

C. Transformer & Output Inductor.P11

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Doc.Title Schematic Institute by SE Doc.Number A0 Page Number 2/32 ASchematic

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Doc.Title Schematic Institute by SE Doc.Number A0 Page Number 4/32

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Doc.Title BOM LIST Institute by SE Doc.Number A0 Page Number 5/32 B BOM LIST

System General Corp.

BOM LIST:ATX 300W Main Board

Item Quantity Reference Part Note 1 1 BD1 Bridge RS806(8A/600V) 2 2 C1,C2 YC 222P/250V (Y2) 3 2 C10, C9 EC 2.2uF/50V(5*11mm) 4 4 C11, C12,C18,C19 CC 103P/200V

5 1 C16 EC 470uF/16V(8*11.5mm)

6 4 C20, C21, C15, C13 EC 2200uF/10V(10*20mm)

7 1 C22 CC 103P/500V 8 2 C23,C25 CC X7R_471P/50V

9 1 C24 EC 1000uF/16V(10*16mm)

10 1 C26 CC X7R_223P/50V

11 1 C27A XC 0.1uF/275V(smallsize)

12 1 C27 XC 0.68uF/250V 13 1 C28 CC X7R_474P/50V 14 2 C3, C4 EC 680uF/200V 15 2 C30, C7 CC X7R_103P/50V 16 2 C6,C32 CC 222P_1KV 17 1 C33 CC 222P/50V 18 2 C34, C17 EC 10uF/50V(5*11mm)

19 2 C36, C37 EC 1000uF/10V(8*11.5mm)

20 1 C38 EC 47uF/50V(5*11mm) 21 1 C39 CC X7R_472P/50V 22 1 C5 MPE 2.2uF/250V 23 1 C8 EC 1uF/50V(5*11mm) 24 1 CB CC X7R_104P/50V 25 1 C29 YC 472P/250V 26 4 D10, D11, D16, D17 Diode FR157(1.5A/600V) 27 1 D14 Zener Diode 12V_1/2W

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28 1 D28 Open 29 1 D19 Short 30 1 D21 Diode BYV95C 31 1 D23 Zener Diode 18V_1/2W 32 1 D26 Diode SR360(3A/60V)

33 9 D27, D18, DA, DB, D8, D9, D3, D25, D22 Diode FR102(1A/100V)

34 7 D4, D5, D6, D7, D2, D20,D12 Diode 1N4148 35 1 F1 Fuse 8A/250V

36 3 Q1, Q2,Q9 Transister PN2222A(NPN)

37 1 Q10

MOSFET 2NA60(TO-220)

38 3 Q11, Q5, Q5A Diode D83-004(To-3P)

39 2 Q3, Q4 Transister 2SC2625(TO-3P;NPN)

40 1 Q6 Diode SF163 orD92-02(TO-3P)

41 1 Q7

Transister BD140(TO-225AA;PNP)

42 1 R1 CR 470K_1/4W 43 2 R10, R11 CR 33R_1/8W 44 2 R12, R14 CR 2.2R_1/4W 45 1 R62 CR 2R_1/2W 46 1 R62A CR 4.7R_1/2W 47 2 R13, R15 CR 1.8K_1/8W 48 1 R43 CR 24K_1/8W 49 1 R16 CR 27K//510K_1/8W 50 2 R18, R19 CR 10R_1/4W(Mini) 51 1 R20 MR 10R_2W(Mini) 52 1 R22 CR 47R_1/4W 53 2 R24, R23 CR 4.7R_1/4W(Mini) 54 1 R25 MR 33R_2W(Mini) 55 1 R26 MR 100R_2W(Mini) 56 1 R27 MR 470R_2W(Mini) 57 1 R29 ER 910R_1/8W 58 2 R3, R4 CR 330K_1/4W

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59 2 R30,R44 ER 75K_1/8W 60 1 R32 CR 20R_1/8W 61 1 R33 CR 4.7R_1/2W 62 3 R8,R34, R37 CR 1K_1/8W 63 3 R6,R35,R39 ER 2.7K_1/8W 64 1 R38 CR 4.7K_1/8W 65 4 R40,R58, R59,RB ER 24K_1/8W 66 1 R41 ER 120K_1/8W 67 1 R42 ER 13K_1/8W 68 1 R45 CR 100K_1/8W 69 1 R46 CR 47K_1/4W 70 1 R47 CR 2M_1/4W 71 1 R49 CR 33K_1/8W 72 2 R17,R55 CR 3.3K_1/8W 73 1 R5 MR 47R_3W 74 1 R50 CR 560R_1/4W 75 1 R54 MR 100R_1W 76 1 R56 CR 120R_1/8W 77 1 R60 CR 34.8R_1/8W 78 1 R61 MR 1K_1W 79 1 R7 ER 27K_1/8W 80 1 R9 CR 1.5K_1/4W 81 1 RA MR 1R_2W 82 1 Rc CR 22R_1/8W 83 1 J10 5mm 84 3 J11, J12, J18 6.5mm 85 1 J13 9mm 86 3 J14, j19, JS2 7.5mm 87 1 J15 12mm 88 1 J16 3.8mm 89 1 J2 19.7mm 90 1 J20 4.7mm 91 1 J21 8.5mm 92 1 J3 16.5mm 93 1 J4A 19mm

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94 7 J5, J5A, J6, J6A, JS1, JS3, J17 9.5mm

95 2 J7,J7A 10.5mm 96 1 J8 7mm 97 1 J9 15mm 98 1 JS4 31mm 99 1 JS5 9mm 100 1 L10 TRN0143(Ver:1.0) 101 1 L11 TRN0168(Ver:1.0) 102 2 L3, L3A TRN0137(Ver:1.1) 103 1 L4 TRN0170(Ver:1.0) 104 1 L5 TRN0139(Ver:1.0) 105 1 L7 TRN0005(Ver:1.0) 106 1 L8 TRN0139(Ver:1.0) 107 1 L9 TRN0142(Ver:1.0) 108 1 PCB PC-2136 Rev:C 109 1 T1 EEL-25 110 1 T3 TRN0167_EE-16(Ver:1.0) 111 1 T4 TRN0169_EE-16(Ver:1.0) 112 1 T8 TRN0166_ERL-35(Ver:1.0) 113 1 TR1 Rhermistor SCK056 114 1 TR3 Thermister TTC103

115 1 U1 Regulator LM7905(TO-220)

116 1 U3 Control IC SG6105

117 1 U4 Phtocouple PC-817(Type-A 4Pin)

118 1 VR1 CR 200R_1/8W 119 2 VZ1, VZ1 MOV TNP9G271K 120 1 AC INLET CN P-JA-PRO 121 1 IC 20Pin 122 1 Q10(TO-220) 123 1 Q10(TO-220)

124 6

Q3,Q4,Q5, Q5A,Q11, Q6(TO-3P)

125 2

3*18mm( Q5,Q5A)

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126 4

3*12mm( Q3,Q4, Q11, Q6)

127 2

3*8mm( U1, Q10)

128 4 Screw 3*4 () 129 4 Screw 3*4 () PCB

130 2 Screw 3*5 () (115/230)

131 4 Screw FTS-4 5*10 Fan-Case 132 1 8*8*25 133 1

134 c 1 Case

135 1 Switch BR-22C-11L 136 1 P3,P4 Switch(115V/ 230V) L21-22 137 3 P1, P2, CN2, CN5 Jumper Wire 138 1 CN4 FAN Connect(3PIN) 139 1 Heat Sink U ( U1) 140 1 Heat Sink Q11, Q5, Q5A, Q6 141 1 Heat Sink Q3,Q4,Q10 142 1 Mylar Pad MCH0346A

143 1 18AWG 105 600V Switch(115/230) PCB

144 1 18AWG 105 600V Switch(115/230) PCB

145 1 Output Cable (For 3.3V) 146 1 Output Cable (For PCB) 147 2 Output Cable (For HD) 148 1 Output Cable(For 12V) 149 1 AC AC Inlet PCB 150 1 151 1 () K 8#-32

152 1 7R-7 ( )

153 1 DCBS-4 ( )

154 4 (YJ98) 155 9 620mm

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System General Corp.

BOM LIST:ATX 300W

Item Quantity Reference Part Note 1 3 C1,C2,C5 X7R 104P/50V 2 1 C3 EC 10uF/50V

3 1 C4 EC 1uF/50V

4 2 D1,D2 1N4148

5 1 JP1 Pin 11

6 1 Q1 PN2907

7 1 Q2 PN2222A

8 1 RB1 CR 220R 1/8W

9 2 RC1,R7 CR 4.7K 1/8W

10 1 RD1 CR 150R 1/8W

11 1 RE1 CR 470R 1/4W

12 3 R1,R5,R10 CR 10K 1/8W

13 2 R2A,R8A ER 19.18K(20K//470K)

14 6 R2,R4A,R4,R8,R9A,R9 ER 20K 1/8W

15 1 R3 CR 3.3K 1/8W

16 3 R4B,R12B,R9B Open

17 1 R6 CR 470R 1/8W

18 2 R11A,R11 ER 10K 1/8W

19 1 R12 ER 1K 1/8W

20 1 R12A ER 1.03K

21 1 U1 LM339 Dip

22 1 PCB PC-2137 Ver:B 23 24 25

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/Description >>> setdistillerparams> setpagedevice