H
NTAIN KNOWN AND UNKNOWN VIOLATIONS OR DEVIATIONS OF INDUSTRY STANDARDS AND SP ECIFICATIONS. NVIDIA MAKES NO WARRANTIES, EXPRESSED, IMPLIED, STATUTORY OR OTHERWISE WITH RESPECT TO THE MA TERIALS OR OTHERWISE, AND EXPRESSLY DISCLAIMS ALL
2
3
4
5
FDBA
A B C D E F G H
C E
1
PAGE DETAIL
ASSEMBLY
G
BASE LEVEL GENERIC SCHEMATIC ONLY
PS: NVVDD Controller
Page25: POWER SUPPLY: NVVDD Controller
Output choke : 0.15uH / 0.47m ohm
set loadline=0.3m ohm
OCP: 300A
Q509 For unde r power boos t
ST
UFF FOR 180W SKU
To cover both 3-R and 5-R configuartions
from nVIDIA, the external resistor can cap
network at pin VREF, REFIN and VIDBUF
needs to be modified.
LOADLINE~0.3m OHM
Work F=350Khz
5x5 QFN
BOTTOM PAD
CONNECT TO
GND Through
4 VIAs
VBOOT SET AT 1V
OCP ~ 300A
Check PSI Function
GPIO6_PSI*
GP
IO6_PSI_R*
12V
_PEX6_2_EN
12V_PEX6_2_G
12V
_PEX6_2_Q
INPUT_PEX6_DT2*
PS_
NVVDD_ENABLE
GP
IO6_PSI*
PS_NVVDD_DRVON_A
DRV
ON_R
GPIO8_THERM_OVERT*
DRVON
PS_
NVVDD_PG
VREF
DRVON
VREF
PS_NVVDD_PG
PS_NVVDD_ENABLE
GPIO6_PSI_R*
NCP81174_VCC5
NCP81174_VCC5
NCP81174_VCC5
NCP81174_VCC5
DRV
ON
3V
3_F
GN
D
12V_PEX6_F2
GND
3V
3_F
GN
D
GNDGN
D
3V3_F
GN
D
3V
3_F
GN
D
12V
_F
12V
_F
NVVDD
NVVDD
3V
3_F3V3_F
3V
3_F3V3_F3V3_F
IN
21,25,30
IN
28,30
IN
21,28,29
IN
21,25,30
OU
T
27,32
OU
T
24
CSP1
26
CSN4
26
81174_PWM1
26
CSN1
26
GND_SENSE
3
NVVDD_SENSE
3
GPIO0_NVAPI_1
21
CSP5
27
CSP2
27
CSN2
27
81174_PWM2
27
CSN5
27
CSN3
32
CSN6
32
CSP3
32
CSP6
32
81174_PWM3
32
CSP4
26
OU
T
21,26,27,28,30,32
OU
T
26
Title
Size Document Number Rev
Date: Sheet of
PO
WER SUPPLY: NVVDD Controller
1.0
GV-N970G1 GAMING-4GD
GIGABYTE
Custom
25 34Friday, Septemb er 05, 2014
Title
Size Document Number Rev
Date: Sheet of
PO
WER SUPPLY: NVVDD Controller
1.0
GV-N970G1 GAMING-4GD
GIGABYTE
Custom
25 34Friday, Septemb er 05, 2014
Title
Size Document Number Rev
Date: Sheet of
PO
WER SUPPLY: NVVDD Controller
1.0
GV-N970G1 GAMING-4GD
GIGABYTE
Custom
25 34Friday, Septemb er 05, 2014
R128
1K/4/X
R128
1K/4/X
R134 20/4R134 20/4
R208
11K/4/1
R208
11K/4/1
R6
40
COMMON
5%
10K/4/X
0402
R6
40
COMMON
5%
10K/4/X
0402
R242
470/8
R242
470/8
R335 20/4R335 20/4
R337 100K/4/XR337 100K/4/X
C244
0.1u/4/X7R/16V/K
C244
0.1u/4/X7R/16V/K
C243
4.7n/4/X7R/50V/K
C243
4.7n/4/X7R/50V/K
R6
68
CO
MMON
1%
0/
4
0402
R6
68
CO
MMON
1%
0/
4
0402
Q509
CO
MMON
1B1C1E
SOT23_1B1C1E
Q509
CO
MMON
1B1C1E
SOT23_1B1C1E
1
B
2
E
3
C
Q5
37
1G
1D1S
SOT23_1G1D1S
60V
0.35W
0.3A
0.8A
2R@10V
CO
MMON
+/
-20V
Q5
37
1G
1D1S
SOT23_1G1D1S
60V
0.35W
0.3A
0.8A
2R@10V
CO
MMON
+/
-20V
1
G
2
S
3
D
R338
1K/4
R338
1K/4
C245
10u/6/X5R/6.3V/M
C245
10u/6/X5R/6.3V/M
R129 6.8K/4/1R129 6.8K/4/1
C238
0.1U/4/X
C238
0.1U/4/X
R258
470/8
R258
470/8
R331 6.8K/4/1R331 6.8K/4/1
R157
11.8K/4/1
R157
11.8K/4/1
R343 1K/4R343 1K/4 C234
1n/4/X
C234
1n/4/X
R302
470/8
R302
470/8
R6
62
1K/4/1
1%
0402
CO
MMON
R6
62
1K/4/1
1%
0402
CO
MMON
R6
66
0402
CO
MMON
1%
10K
/4/1
R6
66
0402
CO
MMON
1%
10K
/4/1
R339 20/4R339 20/4
R131 100K/4/XR131 100K/4/X
C237
0.1u/4/X7R/16V/K
C237
0.1u/4/X7R/16V/K
R352 6.8K/4/1R352 6.8K/4/1
R193
3.6K/4/1
R193
3.6K/4/1
C235
1n/4/X7R/50V/K
C235
1n/4/X7R/50V/K
R6
44 0/4
CO
MMON0402
+0.05R
R6
44 0/4
CO
MMON0402
+0.05R
R347 6.8K/4/1R347 6.8K/4/1
C232
1.8n/4/X7R/50V/K/X
C232
1.8n/4/X7R/50V/K/X
R6
59
CO
MMON
0402
1%
7.
5K/4/1
R6
59
CO
MMON
0402
1%
7.
5K/4/1
R733 0/4
04025%CO
MMON
R733 0/4
04025%CO
MMON
C241
0.1u/4/X7R/16V/K
C241
0.1u/4/X7R/16V/K
C246
0.1U/4/X
C246
0.1U/4/X
C12 2.2n/4/X7R/50V/KC12 2.2n/4/X7R/50V/K
C8
22
X7
R
0402
0.22u/4/X5R/6.3V/K
10%
CO
MMON
16V
C8
22
X7
R
0402
0.22u/4/X5R/6.3V/K
10%
CO
MMON
16V
R336
1K/4
R336
1K/4
R344
470K/4/X
R344
470K/4/XR231
0/4
R231
0/4
U13 NCP81174MNTXG/QFN32U13 NCP81174MNTXG/QFN32
CS2
20
ROSC
7
VCC
30
VFB
13
VR_RDY
3
COMP
12
VSP
9
G2
26
G1
25
CS1
18
DIFFOUT
11
VSN
10
CS3
22
G3
27
CS4
24
G4
28
VDRP
14
CS3N
21
CS1N
17
CS2N
19
CS4N
23
ILIM
8
DRVON
29
GND
33
12VMON
6
EN
4
VDFB
15
CSSUM
16
VID
2
VIDBUF
1
PSI
5
VREF
31
REFIN
32
R330
75/4/1
R330
75/4/1
C247 47p/4/NPO/50V/JC247 47p/4/NPO/50V/J
R7
43
CO
MMON
0402
5%
10K/4
R7
43
CO
MMON
0402
5%
10K/4
R814
47K/4
CO
MMON
5%
0402
R814
47K/4
CO
MMON
5%
0402
R348
100K/4/X
R348
100K/4/X
R6
57
1%
10K
/4/1
0402
CO
MMON
R6
57
1%
10K
/4/1
0402
CO
MMON
NTC1
100K/1/4/S
NTC1
100K/1/4/S
1 2
R332 100K/4/XR332 100K/4/X
R345 0/4R345 0/4
R353
3.3K/4/1
R353
3.3K/4/1
R233 0/4R233 0/4
Q5
54
1G
1D1S
SOT23_1G1D1S
60V
0.
35W
0.3A
0.8A
2R@10V
CO
MMON
+/
-20V
Q5
54
1G
1D1S
SOT23_1G1D1S
60V
0.
35W
0.3A
0.8A
2R@10V
CO
MMON
+/
-20V
1
G
2
S
3
D
C236 470p/4/X7R/50V/KC236 470p/4/X7 R/50V/K
R132
11.3K/4/1
R132
11.3K/4/1
R5
360 0/4R5360 0/4
R209
30K/4/1
R209
30K/4/1
R340 6.8K/4/1R340 6.8K/4/1
Q5
28
1B
1C1E
SOT23_1B1C1E
COMMON
Q5
28
1B
1C1E
SOT23_1B1C1E
COMMON
1
B
2
E
3
C
C239
0.1u/4/X7R/16V/K
C239
0.1u/4/X7R/16V/K
R194
100/4
R194
100/4
R349
20K/4/X
R349
20K/4/X
R235
9.76K/4/1
R235
9.76K/4/1
R354 4.99K/4/1R354 4.99K/4/1
R735
7.5K/4
CO
MMON
5%
0402
R735
7.5K/4
CO
MMON
5%
0402
R341 6.8K/4/1R341 6.8K/4/1
C1
4.7u/6/X5R/6.3V/K
C1
4.7u/6/X5R/6.3V/K
R350 10K/4/1R350 10K/4/1
R205 1K/4/1R205 1K/4/1
R6
71
04025%CO
MMON
10K/4R6
71
04025%CO
MMON
10K
/4
R333 20/4R333 20/4
R351 10K/4/1R351 10K/4/1
R206
10K/4/1
R206
10K/4/1
Q529
1B
1C1E
SOT23_1B1C1E
COMMON
Q529
1B
1C1E
SOT23_1B1C1E
COMMON
1
B
2
E
3
C
R346
10.5K/4/1
R346
10.5K/4/1
R641
0402
CO
MMON
10K/4/1
5%
R641
0402
CO
MMON
10K/4/1
5%
R223
10K/4/1
R223
10K/4/1
R133 20/4R133 20/4
R237
470/8
R237
470/8
R6
47
CO
MMON
0402
5%
1K
/4
R6
47
CO
MMON
0402
5%
1K
/4
R207
100/4
R207
100/4
R342 20/4R342 20/4
C6
0.1u/4/X7R/16V/K/X
C6
0.1u/4/X7R/16V/K/X
R334 6.8K/4/1R334 6.8K/4/1
C240
0.1U/4/X
C240
0.1U/4/X
C233
22p/4/NPO/50V/J
C233
22p/4/NPO/50V/J
C242
1u/4/X5R/6.3V/K
C242
1u/4/X5R/6.3V/K