Gigabyte GA-880GM-D2H Wiring Diagram page 29

5
0.047u/4/X7R/16V/K 0.047u/4/X7R/16V/K
C1394 C1394 R3197 R3197 20K/4/1 20K/4/1
U97 U97
D
C1395 C1395
8 1
PHASE BOOT
10p/4/NPO/50V/J 10p/4/NPO/50V/J
7 2
<28> NB_VCC_EN COMP/SD UG
NB_VCC_EN_WIN
6 3
FB GND
R2773 R2773 2.2/6 2.2/6
5 4
+12V
VCC LG/OCSET
ISL6545CBZ/S ISL6545CBZ/S
BC931 BC931
0.1u/6/X7R/25V/K 0.1u/6/X7R/25V/K
VREF IS 0.6v
C
5VSB
R93 R93
220/6 220/6 2_5LEVEL
1 1
+ +
CE4 CE4
Q2 Q2 100u/OS/D/16V/66/24m 100u/OS/D/16V/66/24m
AP431N/SOT23/150mA AP431N/SOT23/150mA Normal 100U/D/10V/57
2_5LEVEL
VCC18
R515 R515
B
390/4/1 390/4/1
VCC18_EN
<28> VCC18_EN
R514 R514
1K/4/1 1K/4/1 BC107 BC107
0.1U/4/Y5V/16V/Z 0.1U/4/Y5V/16V/Z
2_5LEVEL
VCC_SB
R521 R521
1.3K/4/1 1.3K/4/1
SB_VCC_EN
<28> SB_VCC_EN
A
R520 R520 BC108 BC108
1.24K/4/1 1.24K/4/1 0.1U/4/Y5V/16V/Z 0.1U/4/Y5V/16V/Z
D42 D42
R3203 R3203 8.66K/4/1 8.66K/4/1 2
<15> VCC_SB_OV1
3
R3204 R3204 4.64K/4/1 4.64K/4/1
1
<15> VCC_SB_OV2
BAT54A/SOT23/200mA BAT54A/SOT23/200mA
5
4
VCC3
BC39 BC39 L27 L27
0.1U/4/X7R/16V/K 0.1U/4/X7R/16V/K
1.2uH/20A/PMU109/W/D 1.2uH/20A/PMU109/W/D
BC40 BC40
1U/6/Y5V/10V/Z 1U/6/Y5V/10V/Z
Q22 Q22
D D
R2763 R2763 2.2/6 2.2/6 NBVCCU_G
2SK3918/TO252/1300pF/7.5m 2SK3918/TO252/1300pF/7.5m
G G S S
R3198 R3198 C1397 C1397
8.2K/4/1 8.2K/4/1 0.1u/6/X7R/25V/K 0.1u/6/X7R/25V/K
25V
NBVCCPHASE
D D
R2774 R2774 Q23 Q23
4.7K/4 4.7K/4
G G S S
NBVCCL_G
2SK3918/TO252/1300pF/7.5m 2SK3918/TO252/1300pF/7.5m
D40 D40
R3199 R3199 8.66K/4/1 8.66K/4/1
2
<15> NB_VCC_OV1
3
R3200 R3200 4.12K/4/1 4.12K/4/1
1
<15> NB_VCC_OV2
BAT54A/SOT23/200mA BAT54A/SOT23/200mA
VCC18 VCC3
1 1
+ + EC28 EC28
U148 U148
BAV99/SOT23/300mA BAV99/SOT23/300mA
560u/FP/D/6.3V/89/8m 560u/FP/D/6.3V/89/8m
ATI for vcc3/vcc18 power ramp-up 2.1V
VCC3
+12V
C217 C217
Q330 Q330 1u/6/Y5V/10V/Z 1u/6/Y5V/10V/Z
U146B U146B
1.8V 2SK3918/TO252/1300pF/7.5m 2SK3918/TO252/1300pF/7.5m
5
+ +
7 R510 R510 100/4/1 100/4/1
VCC18
6
- -
LM358DR/SO8 LM358DR/SO8
C5 C5
1n/4/X7R/50V/K 1n/4/X7R/50V/K
R2 R2
40.2K/4/1 40.2K/4/1
R517 R517 1K/4/1 1K/4/1
DDR15V
+12V C223 C223
Q331 Q331 1u/6/Y5V/10V/Z 1u/6/Y5V/10V/Z
U146A U146A
1.2V 2SK3918/TO252/1300pF/7.5m 2SK3918/TO252/1300pF/7.5m
3
+ +
1 R511 R511 100/4/1 100/4/1
VCC_SB
2
- -
LM358DR/SO8 LM358DR/SO8 C6 C6
1n/4/X7R/50V/K 1n/4/X7R/50V/K
R4 R4
40.2K/4/1 40.2K/4/1
R519 R519 1K/4/1 1K/4/1
4
3
1 1 1 1
+ + + +
EC34 EC34 EC35 EC35
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
L2 L2 NB_VCC
2uH/20A/IEP109/D 2uH/20A/IEP109/D
1.1V@15.8A
1 1 1 1
+ + + +
R2775 R2775 EC36 EC36 EC21 EC21
2.2/6 2.2/6 R2778 R2778
560u/FP/D/6.3V/89/8m 560u/FP/D/6.3V/89/8m
2K/4/1 2K/4/1
C1398 C1398 560u/FP/D/6.3V/89/8m 560u/FP/D/6.3V/89/8m
1n/4/X7R/50V/K 1n/4/X7R/50V/K
RS740 Stuff 2K/4/1
R2783 R2783
2K/4/1 2K/4/1
0.6*(1+1.69K/2K)=1.107V
0.6*(1+2K/2K)=1.20V
NB_VCC_OV1 NB_VCC_OV2 NB_VCC
L X 1.20V
X L 1.30V
L L 1.40V
VCC_SB
1.2V@1.69A
1 1 1 1 1 1
+ + + + EC50 EC50 + + EC25 EC25
EC39 EC39 560u/FP/D/6.3V/89/8m/X 560u/FP/D/6.3V/89/8m/X 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
SD1 SD1 0/8/X 0/8/X
VCC_SB VCC_SB
VCC_SB_OV1 VCC_SB_OV2 VCC_SB
L X 1.30V
X L 1.40V
L L 1.50V
3
2
VCC3
1 1
+ +
EC27 EC27
560u/FP/D/6.3V/89/8m 560u/FP/D/6.3V/89/8m
For 1.2V Dual_Power.
Q73 Q73
3
4 2
VCC12_DUAL
1
BC692 BC692
1U/6/Y5V/10V/Z 1U/6/Y5V/10V/Z
AZ1117H-1.2TR/SOT223/1A AZ1117H-1.2TR/SOT223/1A
VCC
1 1
+ + EC26 EC26
560u/FP/D/6.3V/89/8m 560u/FP/D/6.3V/89/8m
Q62 Q62
3
4 2
VDDA25
1
L1117LG/N/SOT223/1A L1117LG/N/SOT223/1A
1.25*(1+100/100)=2.5V
BC2 BC2
0.1U/4/Y5V/16V/Z/X 0.1U/4/Y5V/16V/Z/X
Asus-used
Title Title Title
NB/SB POWER,VCC12HT,VDDA25,VCC12Dual NB/SB POWER,VCC12HT,VDDA25,VCC12Dual NB/SB POWER,VCC12HT,VDDA25,VCC12Dual
Size Size Size
Date: Date: Date:
2
1
5VDUAL
BC202 BC202
VCC12_DUAL
1U/6/Y5V/10V/Z 1U/6/Y5V/10V/Z
600mA MAX
VCC12_DUAL
R48 R48
10/6/X 10/6/X
BC17 BC17 EC29 EC29
22u/8/X5R/6.3V/M 22u/8/X5R/6.3V/M 100u/OS/D/16V/66/24m/X 100u/OS/D/16V/66/24m/X
BC132 BC132
0.1U/4/Y5V/16V/Z 0.1U/4/Y5V/16V/Z
250mA
VDDA25
R394 R394
100/4/1 100/4/1 BC136 BC136 BC18 BC18 BC19 BC19
0.1U/4/Y5V/16V/Z 0.1U/4/Y5V/16V/Z 22U/8/X5R/6.3V/M 22U/8/X5R/6.3V/M 22U/8/X5R/6.3V/M/X 22U/8/X5R/6.3V/M/X
R395 R395
100/4/1 100/4/1
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
Friday, July 23, 2010 Friday, July 23, 2010 Friday, July 23, 2010 Sheet Sheet Sheet 29 29 29 of of of 30 30 30
1
D
C
B
A