1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
A A
B B
C C
D D
NVVDD POWER GOOD LOOPBACK
From NV
NV_FBVDDQ_EN
HW POWER DOWN SEQUENCE
NVVDDS_EN
NV_PEXVDD_EN
1V8_RUN_EN
PCH GPIO
NV_NV3V3_EN
NVVDD_EN
PCH GPIO
PCH GPIO
PCH GPIO
PCH GPIO
4/25 modify timing 20k change to 1k
婧㔜
NV3V 3 PW R O N SEQ(3.4ms→ 544u s)
4/25 modify timing 15k change to 10k
⮯
NVVDDS
㍸⇵
(2.25ms → 1.79m s)
D02A
4/25 modify timing 0.47u change to 0.1u
㍸⇵
NV3V 3 PW R OF F timing(13.7ms→ 7ms)
PCH GPIO
D02
D02
D02
D02
D02
D02
D02
D02
NV_FBVDDQ_EN_A ND
NV_FBVDDQ_EN
GC6_FB_EN
PEX_VDD_PWRGD
NVVDD_PWRGD
NVVDD_PWRGD
GC6_FB_EN
NVVDD_PWRGD_L OOP_ OVE RT
OVERT#
NV_NVVDDS_EN
PS_NV3V3_EN
NVVDD_PWRGD
NV_1V8 RUN_E N
NV_NVVDDS_EN
NV_EN_DOWN
NV_EN_DOWN
NV_PEXVDD_EN
NV_EN_DOWN
NV_FBVDDQ_ENNV_NVVDD_EN
NV_EN_DOWN
NV_NV3V3_EN
NV_EN_DOWN
NV_EN_DOWN
NV_1V8 RUN_E N
NVVDD_PWRGD
1V8_AON_PWRGD
PEX_VDD_PWRGD
NVVDDS_PWRGD
GFX_ ON
NV_FBVDDQ_EN_A ND
NV_FBVDDQ_EN
1V8_AON_PWRGD
GFX_ ON
1V8_AON_PWRGD
NV_NV3V3_EN
OVERT#
NV_1V8 RUN_E N
NV_NVVDD_EN
NVVDD_PWRGD
GFX_ ON
GFX_ ON
NVVDDS_PWRGD
GFX_ ON
OVERT#
NV_NV3V3_EN
NV_1V8 RUN_E N
NV_NVVDD_EN
NV_NVVDDS_EN
NV_PEXVDD_EN
GC6_FB_EN
GPIO4_1V8_MAIN_EN
NV_PEXVDD_EN
3.3VS
3.3VS
3.3VS
3.3VS
3.3VS
3.3VS
3.3VS
3.3VS
3.3VS
3.3V
3.3VS
3.3VS
3.3VS
3.3VS
3.3VS
3.3VS
3.3VS
3.3VS
3.3VS
NV3V3
NV3V3
1V8_AON
1V8_RUN
1V8_AON
3.3VS8,9,18,20,21,22,23,24,26,27,28,29,30,32,34,35,38,39,40,41,42,43,44,49,53,54,55,56
NV3V310,16,56
1V8_RUN10,11,56
1V8_AON10,16,18,28,53,54,55,56
VDD34,24,25,27,30,32,34,38,39,42,44,45,46,50,51,52,53,54,55,56
PEX_VDD_PWRGD56
NV_FBVDDQ_EN 55
GC6_FB_EN18,28,42
NVVDD_PWRGD10,53
GPPG1_PCH_FBVDDQ_EN26
NVVDDS_PWRGD54
OVERT# 16,42
GPU_PEX_RST#10,16
GPPG11_PCH_NVVDDS_EN26
NV_NVVDDS_EN 54
GPPG0_PCH_PEXVDD_EN26
NV_PEXVDD_EN 56
GPPG2_PCH_1V8 RUN_E N26
NV_1V8 RUN_E N 56
NV_EN_DOWN27
3.3V2,22,33,34,35,36,37,44,45,47,56
1V8_AON_PWRGD56
NV_NV3V3_EN 56
GPPG9_PCH_NV3V3_EN26
NV_NVVDD_EN 53
NV_NVVDDS_EN_CT L 54
GPIO4_1V8_MAIN_EN16,18
DGPU_PWR_EN28,42,56
GPPG10_PCH_NVVDD_EN26
DGPU_PWRGD 18,55
Ti tl e
Size Document Number R e v
Date: Sheet
of
6-71-N85H0-D01
D01
[17] NVIDIA POWER SEQUENCE
Custom
17 63Tuesday, October 11, 2016
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
SCHEMAT IC1
Ti tl e
Size Document Number R e v
Date: Sheet
of
6-71-N85H0-D01
D01
[17] NVIDIA POWER SEQUENCE
Custom
17 63Tuesday, October 11, 2016
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
SCHEMAT IC1
Ti tl e
Size Document Number R e v
Date: Sheet
of
6-71-N85H0-D01
D01
[17] NVIDIA POWER SEQUENCE
Custom
17 63Tuesday, October 11, 2016
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
SCHEMAT IC1
U164
*74AHC1G08GW
3.3V
1
2
5
4
3
U163
SN74LV1T08DCKR
1.8V
1
2
5
4
3
U174
*74AHC1G08GW
3.3V
1
2
5
4
3
R734
10K_04
C858
0.01u_50V_X7R_04
C865
*0.1u_10V_X7R_04
U176
SN74LV1T32DCKR
1.8V
4
53
1
2
R755 *10K_04
R752 *0_04
C866*0.1u_10V_X7R_04
Q62
2SK3018S3
G
DS
C862
0.1u_10V_X7R_04
R751 0_04
U170
SN74LV1T08DCKR
1.8V
1
2
5
4
3
R753 *0_04
R730
*20mil short-p
R745
1K_1%_04
C853 *0.1u_10V_X7R_04
R735
10K_1%_04
R731 10K_04
R729
10K_04
U175
*74AHC1G08GW
3.3V
1
2
5
4
3
U167
*74AHC1G08GW
3.3V
1
2
5
4
3
R742 10K_1%_04
R737
*20mil short-p
R748 10K_1%_04
U162
SN74LV1T32DCKR
1.8V
4
53
1
2
R754 *20mil short-p
A
C
C
D62
BAT54AN3
1
2
3
A
C
C
D61
BAT54AN3
1
2
3
D60*RB751S-40H
A C
Q60
2SK3018S3
G
DS
C860
0.1u_10V_X7R_04
R736 1K_1%_04
U173
74AHC1G08GW
3.3V
1
2
5
4
3
R732 *0_04
C854 0.1u_10V_X7R_04
A
C
C
D58
BAT54AN3
1
2
3
R746
*100K_04
R747
20K_1%_04
Q61
2SK3018S3
G
DS
U165
74AHC1G08GW
3.3V
1
2
5
4
3
D59 RB751S-40H
AC
C867 0.1u_10V_X7R_04
Q53
2SK3018S3
G
DS
C861
0.01u_50V_X7R_04
Q55
2SK3018S3
G
DS
U169
SN74LV1T08DCKR
1.8V
1
2
5
4
3
Q59
2SK3018S3
G
DS
C856
0.1u_10V_X7R_04
R744 *0_04
C857
0.1u_10V_X7R_04
U172
SN74LV1T32DCKR
1.8V
4
53
1
2
U166
SN74LV1T32DCKR
1.8V
4
53
1
2
U168
*SLG4U41161
GPI
2
GPO
3
GPI
4
GPI
5
GPI
6
GPI
7
GPI(1.8V)
9
GPI
10
GND
11
GPO
12
GPO
13
GPI
8
GPO
14
GPO
15
GPI
16
GPO
17
GPI(1.8V)
18
GPI(1.8V)
19
VDD
1
GPI
20
S
D
G
Q56B
MTDK3S6R
5
34
R750
*20mil short-p
C8590.1u_10V_X7R_04
C8550.1u_10V_X7R_04
Q58
2SK3018S3
G
DS
R756 *0_04
R733 0_04
R739 *0_04
C863
0.22u_10V_X5R_04
R741 *20mil short-p
S
D
G
Q56A
MTDK3S6R
2
61
C864
0.1u_10V_X7R_04
Q57
2SK3018S3
G
DS
R738 *0_04
Q54
2SK3018S3
G
DS
R749 *20mil short-p
U171
*74AHC1G08GW
3.3V
1
2
5
4
3
R740 *0_04
U161
74AHC1G08GW
3.3V
1
2
5
4
3
R743 0_04
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