Power 1.8Vs - Clevo W270BUQ Series Service Manual

Schematic Diagrams

POWER 1.8VS

23, 25,26
11 1.8V_PWRGD
Sheet 27 of 43
POWER 1.8VS
B - 28 POWER 1.8VS
5V
PR40
E N_1.8V
100K_1% _04
P Q20 P C56
SUS B G
P R42 10K _1% _04
S USB
M TN7002Z HS 3 *0.1u_10V _X 7R_04
P C57
0.01u_16V _X 7R_04
3.3V
P R43
220K _1% _04
1. 8V _P WRGD
P R44
P C62
*10mil _ shor t
*0. 1u_10V _X 7R_04
P C64
*0.01u_16V _X 7R_04
0.1u_16V_Y 5V_04
3. 3V
P C217 P C221
10u_6.3V _X 5R_06
1.8V _PW RGD
E N_1.8V
5V
OCP=10uA X RILIM / Rdson
PR 41 *15K _1%_04
P D10
*RB 0540S2
P Q21A
*AP 6901GS M
8
PU3 P C58
*uP 6127
*0.1u_10V_X 7R_04
12 1
EN LX
11 2
PG D B S T
10 3
VO UT VCC
9 4 3
FB D L
17
P AD
PC61
*1u_10V_Y 5V_06
PR 45 PC 63
*14K _1% _04 *20p_50V _NP O_04
PR 46 PC 65
*10K _1% _04 *20p_50V _NP O_04
5V
PC224
1u_10V_Y5V _06
3 A PU 12
5 6
VIN VC NTL
9 3A
VIN
7 4
PO K VO UT
3
VO UT
8
PR204 P C222 P C223
EN
Ra
1 2
12. 7K _1% _1/ 16W _04 10u_6.3V _X 5R_06
GND V FB
82p_50V _NP O_04
AX 6610
PR205
Rb
10K_1% _04
Vout = 0.8V ( 1 + Ra / Rb )
V IN
P C52 P C53 P C54
P L3 V1.8S PJ6
*TMPC 0603 H - 4R 7M-Z01
4A
1 2 1 2
5m m
+
P Q21B
*AP 6901GS M
V1.8 S_REG P J22 1.8VS
1 2
3mm
P C220
10u_6.3V _X 5R_06
1.8V S
1.8VS