Nvidia Power Sequence - Clevo NH77DBQ Service Manual

NVIDIA Power Sequence

1 2
A
From EC
C1183 *0.1u_10V_X7R_04
R263 0_04
45,52,56,59 EC_GPIO
Q73A Q73B
SMC_BAT MTDK3S6R 6 1 4 3 MTDK3S6R
45,52,55,56 SMC_BAT
R817 *1K_04
R816 *1K_04
SMD_BAT
6 1 4 3
45,52,55,56 SMD_BAT
Q74B
Q74A
EC SM_BUS
MTDK3S6R MTDK3S6R
GPU
B
NVIDIA GPIO LEVEL SHIFT
3.3VS
3.3VS
R567
*100K_04
R575
Q54A
*100K_04
34 DGPU_PWRGD_R
*MTDK3S6R 38 GPIO4_1V8_MAIN_EN_R
D
G 2
S
Q54B
D *MTDK3S6R
G 5
DGPU_PWRGD 59
S
C
D
1 2
3 4 5
24,33 NV_EN_DOWN
23
60 1V8_AON_PWRGD
10,56 NVVDD_PWRGD
23 GPIO1_GC6_FB_EN_R
34,45 GC6_FB_EN_PCH
I2CC_SCL_PP 23,56,59
30,31,44 PLT_RST#
23,34 DGPU_RST#_PCH
10,23 GPU_PEX_RST#
I2CC_SDA_PP 23,56,59
SM_BUS
24,33 NV_EN_DOWN
3.3VS
3.3VS
R560
*100K_04
R564
Q57A *100K_04
*MTDK3S6R
D
G 2
S
Q57B
D *MTDK3S6R
G 5
GPIO4_1V8_MAIN_EN 23,24
S
*0.1u_10V_X7R_04
3 4 5
6 7
DEFAULT HW POWER SEQUENCE
U6
3.3V
1 20
NV_FBVDDQ_EN 59
VDD FBVDDQ_EN
2 19
VIN_DOWN PEX_VDD_EN NV_PEXVDD_EN 58
3 18 NV_NVVDDS_EN
OVERT# OVERT# NVVDDS_EN
4 17
NV_NVVDD_EN 56,57
SUSB# NVVDD_EN
5 16
NVVDDS_PWRGD 3V3_SYS_EN NV_NV3V3_EN 60
6 15
GC6_FB_EN 1V8_MAIN_EN NV_1V8RUN_EN 57,60
7 14
GC6_FB_EN_PCH 1V8_AON_EN NV_1V8AON_EN 60
8 13
PLT_RST# GPIO4_1V8_MAIN_EN GPIO4_1V8_MAIN_EN
9 12
DGPU_PWR_EN 34,45
dGPU_RST#_PCH dGPU_PWR_EN
10 11
GPU_PEX_RST# GND
SLG4U41681
DGPU_PWR_EN R55 100K_04
GC6_FB_EN_PCH
R57 *100K_04
DGPU_RST#_PCH R58 100K_04
HW POWER DOWN SEQUENCE
NV_1V8RUN_EN
NV_NV3V3_EN
NV_NVVDD_EN
Q10
NV_EN_DOWN G
Q12
NV_EN_DOWN G *2SK3018S3
*2SK3018S3 NV_EN_DOWN
C67
C71 *0.1u_10V_X7R_04
C81
*0.1u_10V_X7R_04
*0.1u_10V_X7R_04
NV_NVVDDS_EN
NV_FBVDDQ_EN
NV_PEXVDD_EN
Q8
Q6 NV_EN_DOWN G NV_EN_DOWN
NV_EN_DOWN
G *2SK3018S3
*2SK3018S3
C72 C68
C95
*0.1u_10V_X7R_04 *0.1u_10V_X7R_04
8,9,23,27,28,29,30,31,32,33,34,35,38,39,40,42,43,44,45,47,48,52,59,70,71 3.3VS
2,28,41,43,47,48,50,51,54,57,58,59,68,69 3.3V
10,23,29,56,59,60,72 NV3V3
Title Title Title
[24] NVIDIA POWER SEQUENCE [24] NVIDIA POWER SEQUENCE [24] NVIDIA POWER SEQUENCE
10,11,21,23,60 1V8_RUN
10,12,13,14,15,17,18,20,21,22,23,25,56,59,60,72 1V8_AON
Size Size Size Document Number Document Number Document Number
Custom Custom Custom SCHEMATIC1 SCHEMATIC1 SCHEMATIC1
Date: Date: Date: Friday, February 07, 2020 Friday, February 07, 2020 Friday, February 07, 2020
6 7
Schematic Diagrams
8
A
23,24
1V8_AON
GPU_PEX_RST# R60 10K_04
GPU_PEX_RST#
R59 *100K_04
Sheet 24 of 67
NVIDIA Power
B
Sequence
Q9
G
2SK3018S3
Q7
G
2SK3018S3
C
D
Rev Rev Rev
6-71-NH5D0-D02 6-71-NH5D0-D02 6-71-NH5D0-D02
D02 D02 D02
Sheet Sheet Sheet 24 24 24 of of of 74 74 74
8
NVIDIA Power Sequence B - 25