Pex_Vdd - Clevo NH77DBQ Service Manual

PEX_VDD

8 7
PEX_VDD
3.3V
D
PR145 0_04
24 NV_PEXVDD_EN
*0.1u_16V_X7R_04
C
Cold boot/Optimus: 1V8_AON→1V8_RUN→NVVDD→NVVDDS →PEX_VDD→FBVDDQ
GC6 2.1 Exit: 1V8_RUN→NVVDD_L→NVVDD_S→PEX_VDD or 1V8_RUN→NVVDD_L→NVVDD_S & PEX_VDD
B
A
8 7
6 5
PU12
AOZ2261NQI-11
5V
7
VIN
21 8
VCC VIN
VIN 9
VIN 22 D02_1115_Power
24
PC12 VIN
1u_16V_X7R_06
PR20 TON 6 PR178 100K_1%_04
*10K_1%_04
BST 20 PR13 0_04
0.1u_16V_X7R_04
PEX_VDD_PWRGD 1
PGOOD
PR153 *10K_1%_04
5V
10
SW
3 SW 11
PFM*
16
SW
PR160 17
SW
18
SW
25
10K_1%_04 SW
PS_1V8_EN_R 2 PR143 *6.8K_1%_04
EN/DSG
ISET 19 PC140 100p_50V_NPO_04
PR146 15K_1%_04
?
23 5
SS FB
PC141 PR150 PC138
2200p_50V_X7R_04 12
PGND
*10K_1%_04 4 13
AGND PGND
PGND 14
15
PGND
6 5
4 3 2
PWR_SRC_NV_FB
PC124 PC129 PC139
+ +
PC14
PEX_VDD
8A
PL7
2 1
BCIHP5420HC-1ROM
PC36 PC189 PC203 PC196 PC29
D02_Gary
*10u_6.3V_X5R_06
PC147
PR174
100p_50V_NPO_04
10K_1%_04
PR164
NV_PEXVDD_EN
14.7K_1%_04
10,22 PEX_VDD
28,41,43,47,48,50,53,69 5V
4,23,30,31,33,36,39,40,42,44,45,46,47,48,49,52,53,55,56,57,59,60,63,70,71,72 VDD3
2,24,28,41,43,47,48,50,51,54,57,59,68,69 3.3V
28,33,47,48,49,50,51,52,53,54,55,57,72 VIN
59,72 PWR_SRC_NV_FB
4 3 2
Schematic Diagrams
1
D
PEX_VDD
PR26 PR29 PR27 PR28
VDD3
1.5_06 1.5_06 1.5_06 1.5_06
PC18
Sheet 58 of 67
PR22
2K_04
PQ2
4
PDC3906Z
PEX_VDD
PQ1
C
2SK3018S3
G PC16
*10u_6.3V_X5R_06
B
A
Title Title Title
[58] PEX_VDD [58] PEX_VDD [58] PEX_VDD
Size Size Size Document Number Document Number Document Number Rev Rev Rev
6-71-NH5D0-D02 6-71-NH5D0-D02 6-71-NH5D0-D02
D02 D02 D02
A2 A2 A2 SCHEMATIC1 SCHEMATIC1 SCHEMATIC1
Date: Date: Date: Friday, February 07, 2020 Friday, February 07, 2020 Friday, February 07, 2020 Sheet Sheet Sheet 58 58 58 of of of 74 74 74
1
PEX_VDD B - 59