
Schematic Diagrams
POWER 1.8V/0.9VSM B - 29
B.Sch
e
m
a
tic D
iag
rams
POWER 1.8V/0.9VSM
V1 .8
5V
5V
0. 9VSM
3. 3V
5 V
5 V
1 .8 V
V 1. 8
V1. 8
VI N
VIN
DD _ON#
26,2 7
VIN
1 8, 25 ,2 6, 27 ,2 9, 30
V1. 8
27
SUSBL
27
1. 8V
5, 7, 8, 10 ,1 1
1. 8V _PW RGD 1 6
5V
15 ,1 8, 23 ,2 4, 26 ,2 7, 29
3. 3V
2, 12 ,1 3, 1 4, 15 ,1 6, 18 ,1 9, 23 ,2 4, 27
0. 9VSM
10,1 1
VDD 3
12,2 2, 24,2 5, 26 ,2 7, 30
1. 8VEN
VSSA
VTTEN
VSSA
PR 67
0 _0 6
PC 64
1 00 P_5 0V_ 04
PR 50
2 0K_ 1%_ 04
PR8 0
10 K_1 %_0 4
PC6 2
10 00 P_5 0V_ X7R _0 4
PC 54
1 U_ 10V_06
PQ 14
2 N7 00 2W
G
D
S
PR7 2 10_06
PR 81
0 _0 6
PC5 6
0. 1U _ 50 V_0 6
PR 79
1 0_ 06
PC 52
0 .1 U_ 25 V_ X7 R_ 06
PQ13
AO4474
4
6
2
5
7
3
1
8
PC5 5
0. 1U _1 6V_ 04
PC166
*10 u_ 10V_08
PC1 6 7
22 u_ 6 .3 V_0 8
PR7 5
4 7K_ 04
PR7 8
1M_0 4
PR 73
1 0_ 06
PJ 4
*OPEN_ 8mm
1
2
+
PC1 37
15 U_ 25 V_6 X4 .5
1
2
PC 69
1 U_ 10 V_0 6
PR 74
0 _0 6
PC 45
1U_ 10 V_0 6
PJ 3
*OP EN_ 3mm
1
2
PC49
0. 1U _1 6V_ 04
PR 8 2
0 _ 06
PR 77
1 0_ 06
+
PC 13 9
2 20 U_ 4 V_D
PD 21
FM58 22
A
C
PC4 0
10 U _1 0V_ 08
PC5 1
*0. 06 8 U_ 50 V_0 4
PC 50
*0 .1 U_ 50V_04
PC 59
0 .0 1U _5 0V_ X7 R_04
PQ10
AO4456
4
6
2
5
7
3
1
8
PC6 0
1U _1 0V_ 06
PL 7
2 .5 UH SMD( 6. 5*6 .9 *3MM)
1
2
PR68
47K_ 04
PQ 9
2 N7 00 2W
G
D
S
PC1 38
4. 7U _6 .3 V_X5R _0 6
PU 4
SC 48 6
11
2
3
4
5
6
7
8
9
10
1
12
13
14
15
1 6
1 7
1 8
1 9
2 0
2 1
2 2
2 3
2 4
VTTEN
TON
VDD QS
VSSA
VCC A
FB
PG D
REF
CO MP
VTTS
EN/ PSV
VDD P2
VDD P2
VTT
VTT
PGND 1
PGND 2
PGND 1
D L
VDD P1
I LI M
L X
D H
BST
PR7 6
100K_ 04
PR8 3
2K_ 1%_ 04
PD 3
FM054 0- N
A
C
PC 63
1 U_ 10 V_0 6
PC57
0. 1U _1 6V_ 04
PC5 8
1U _1 0V_ 0 6
PR 69
4 .7 K_0 4
PC39
*10 U_ 10 V_0 8
1.8V,0.9VSM
Rb
Ra
1.5A
8A
Sheet 28 of 37
POWER 1.8V/
0.9VSM
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