Gigabyte GA-880GM-D2H Wiring Diagram page 30

5
5VDUAL
R344 R344 8.2K/4/1 8.2K/4/1
3
VCC
2
R349 R349 C176 C176
12.1K/4/1 12.1K/4/1 1u/6/Y5V/10V/Z 1u/6/Y5V/10V/Z
D
R351 R351 10K/4/1 10K/4/1
5VSB
R339 R339 C172 C172
10K/4/1 10K/4/1 0.1U/4/X7R/16V/K 0.1U/4/X7R/16V/K
R345 R345 8.2K/4/1 8.2K/4/1
5
+12V
6
R353 R353 C173 C173
2.74K/4/1 2.74K/4/1 0.1U/4/X7R/16V/K 0.1U/4/X7R/16V/K
5VSB
C
R350 R350 8.2K/4/1 8.2K/4/1
<14,24,28> -SLP_S3
B
R2794 R2794
C1401 C1401 20K/4/1 20K/4/1
0.047u/4/X7R/16V/K 0.047u/4/X7R/16V/K
C1402 C1402 10p/4/NPO/50V/J 10p/4/NPO/50V/J
8
PHASE
7
<28> DDR15V_EN COMP/SD
DDR18V_EN_WIN 6
FB
+12V
R2802 R2802
5
VCC
5VDUAL 2.2/6 2.2/6
BAT54C/SOT23/200mA BAT54C/SOT23/200mA BC933 BC933
Q394 Q394 0.1u/6/X7R/25V/K 0.1u/6/X7R/25V/K
VREF IS 0.6v
A
5
4
5VSB +12V
R341 R341 2SK3918/TO252/1300pF/7.5m 2SK3918/TO252/1300pF/7.5m
U9A U9A 8.2K/4/1 8.2K/4/1
Q30 Q30
5VDUAL
+ +
5VDUAL_GATE
1 1
2
- -
KA393D/SO8 KA393D/SO8 3
VCC
R2853 R2853 P06P03LCG/SOT89/530pF/45m P06P03LCG/SOT89/530pF/45m
5VSB R2854 R2854 8.2K/4/X 8.2K/4/X Q31 Q31
1K/4/1 1K/4/1 P_GATE
1
2 4
5VDUAL
3
5VSB
U9B U9B
+ +
1 1
+ +
EC31 EC31
+ +
100u/OS/D/16V/66/24m 100u/OS/D/16V/66/24m
7
- -
KA393D/SO8 KA393D/SO8
D D
G G S S
SOT23 SOT23 Q34 Q34
2N7002/SOT23/25pF/5 2N7002/SOT23/25pF/5
R366 R366
1K/4/1 1K/4/1
C180 C180
Q35 Q35 1n/4/X7R/50V/K/X 1n/4/X7R/50V/K/X
SOT23 SOT23
MMBT2222A/SOT23/600mA/40 MMBT2222A/SOT23/600mA/40
BC29 BC29
0.1U/4/X7R/16V/K 0.1U/4/X7R/16V/K
U99 U99
1
BOOT
PWM18_1 2.2/6 2.2/6 DDR18VU_G
2
UG
3 R2799 R2799
GND
C1404 C1404
R2803 R2803 0.1u/6/X7R/25V/K 0.1u/6/X7R/25V/K
4
LG/OCSET
8.2K/4/1 8.2K/4/1 25V
DDR18V_PHASE
ISL6545CBZ/S ISL6545CBZ/S
R2804 R2804
12K/4/1 12K/4/1
2SK3918/TO252/1300pF/7.5m 2SK3918/TO252/1300pF/7.5m
DDR18VL_G
R3207 R3207 6.04K/4/1 6.04K/4/1
2
<15> DDR18V_OV1
R3208 R3208 2.87K/4/1 2.87K/4/1 1
<15> DDR18V_OV2
4
3
5VSB
R2855 R2855
8.2K/4/1 8.2K/4/1
5VSB
Q361 Q361
R2856 R2856
68K/4/1 68K/4/1
1 1
EC24 EC24 3V
560u/FP/D/6.3V/89/8m 560u/FP/D/6.3V/89/8m
5VDUAL
R2857 R2857 C216 C216
100K/4/1 100K/4/1 1u/6/Y5V/10V/Z 1u/6/Y5V/10V/Z
5VDUAL
L3 L3
1.2uH/20A/PMU109/W/D 1.2uH/20A/PMU109/W/D
1 1 1 1
+ + + +
BC44 BC44 EC44 EC44 EC45 EC45
1U/6/Y5V/10V/Z 1U/6/Y5V/10V/Z
560u/FP/D/6.3V/89/8m 560u/FP/D/6.3V/89/8m 560u/FP/D/6.3V/89/8m 560u/FP/D/6.3V/89/8m
D D
Q25 Q25
2SK3918/TO252/1300pF/7.5m 2SK3918/TO252/1300pF/7.5m
G G S S
DDR15V
L4 L4
1.5V@20A
2uH/20A/IEP109/D 2uH/20A/IEP109/D
1 1
D D
+ + + +
R2805 R2805 EC46 EC46
Q26 Q26 2.2/6 2.2/6 R2806 R2806
1.5K/4/1 1.5K/4/1
C1405 C1405
G G S S
1n/4/X7R/50V/K 1n/4/X7R/50V/K
560u/FP/D/6.3V/89/8m 560u/FP/D/6.3V/89/8m
R2810 R2810 560u/FP/D/6.3V/89/8m 560u/FP/D/6.3V/89/8m
1K/4/1 1K/4/1
D44 D44
3
BAT54A/SOT23/200mA BAT54A/SOT23/200mA
3
2
3VDUAL
Q14 Q14
P_GATE
1
0.1u/4/Y5V/16V/Z 0.1u/4/Y5V/16V/Z
3
2
Q358 Q358
BAW56/SOT23/300mA BAW56/SOT23/300mA
2
3VDUAL
SOT23 SOT23
MMBT2907A/SOT23/-600mA/50 MMBT2907A/SOT23/-600mA/50
APE1084GH/TO252/5A/[10GL6-501085-01R] APE1084GH/TO252/5A/[10GL6-501085-01R]
5VSB
0.1U/4/Y5V/16V/Z/X 0.1U/4/Y5V/16V/Z/X
MMBT2222A/SOT23/600mA/40 MMBT2222A/SOT23/600mA/40
SOT23 SOT23
DDR15V
DDR15V
R3186 R3186
1K/4/1 1K/4/1
DDRVTT
R3187 R3187
1K/4/1 1K/4/1
BC100 BC100
0.1U/4/Y5V/16V/Z 0.1U/4/Y5V/16V/Z
1 1 1 1
+ +
EC47 EC47 EC48 EC48
560u/FP/D/6.3V/89/8m/X 560u/FP/D/6.3V/89/8m/X
2
1
5VDUAL
3VDUAL
C234 C234
1 1
+ +
C236 C236 EC40 EC40
Q36 Q36 R1735 R1735
301/4/1 301/4/1 560u/FP/D/6.3V/89/8m 560u/FP/D/6.3V/89/8m
3
0.1u/4/Y5V/16V/Z 0.1u/4/Y5V/16V/Z
1
R1737 R1737
1.25*(1+169/100)=3.36V
BC3 BC3 510/4/1 510/4/1
BC98 BC98 BC102 BC102
0.1U/4/Y5V/16V/Z 0.1U/4/Y5V/16V/Z 4.7U/8/Y5V/10V/Z 4.7U/8/Y5V/10V/Z
VCC
U199 U199
1 8
VIN VREF2
2 7
GND ENABLE
3 6
VREF1 VCNTL
4 5
VOUT BOOT_SEL
1 1 BC99 BC99
+ +
EC42 EC42 W83310DG/SOP8 W83310DG/SOP8
0.1U/4/Y5V/16V/Z 0.1U/4/Y5V/16V/Z
100u/OS/D/16V/66/24m/X 100u/OS/D/16V/66/24m/X
4 VIA to GND
0.6*(1+3K/1.43K)=1.859V
DDR18V_OV1 DDR18V_OV2 DDR18V
L X 1.90V
X L 2.00V
L L 2.10V
Title Title Title
DDRII POWER , VCC18 DDRII POWER , VCC18 DDRII POWER , VCC18
Size Size Size Document Number Document Number Document Number Rev Rev Rev
Custom Custom Custom GA-880GM-D2H GA-880GM-D2H GA-880GM-D2H 1.32 1.32 1.32
Date: Date: Date: Friday, July 23, 2010 Friday, July 23, 2010 Friday, July 23, 2010 Sheet Sheet Sheet 30 30 30 of of of 30 30 30
1
D
C
B
A