Schematic Diagrams

C - 42 System Power 2 SCH (71-888E0-D04) - For 888E

888E Schematic Diags
System Power 2 SCH
VIN
2.5V
VCC5
SYS3V
VCC1.8S2.5V
VIN
VIN
VCC1.5S
VCC5
SYS5V
VCC5
1.25V2.5V
PGOOD[10]
SUSB#[10,19,29,37,43,44]
PGOOD[10]
VR_ON[42]
INTVCC
INTVCC
VD
VD
SUSB#
PU11 MAX1809
14
3
15
2 16
13
11
4
10
5 9
1
12
6
7
8
LX
LX
PGND
IN LX
PGND
GND
IN
REF
SS GND
SHDN
VCC
EXTREF
TOFF
FB
PR146
1M
PC132
0.1U
PR143
10K
PU9 LTC1735-1
16
15
14
13 12
11
10
9
7
8 6
1
2
3
4
5
TG
BOOST
SW
VIN INTVCC
BG
PGND
EXTVCC
VOSENSE
SGND SENSE+
COSC
RUN/SS
ITH
PGOOD
SENSE-
PL8
1UH(SJ54)
PC76
0.1U(0805)
PD22
RB751V
AC
PQ30
SI4416
4
62
5
73
1
8PR105
1M
PR68
2.7 PC60
0.1U
PC56
47P
PC55
470P
PC77
0.1U
PC80
220P
PR112 33K
PR104 100K
PC48
0.1U(0805)
PL4CDRH-1205-4R7 PR48
5m(2512)
PR93
24K 1%
PC66
30P
PR74
11K 1%
PC65
*C
PR25
10K 1%
PR29
10K 1%
PC35
1000P
PC29
1000P
+
PC109
47U
+
PC44
220U
PC70
1000P
PR98 10
PR101 10
PC64
10U
PR95 0
+
PC134
220U
PQ49
2N7002
G
DS
PQ38
2N7002
G
DS
PR64
100K
PR79
0
PD24
1SS355
A C
PR100
10
PD16
*20QS04
A C
PQ21
Si4812
4
62
5
73
1
8
PR173
10K 1%
PR170 10K
PC166
0.1U
PR174
19.1K 1%
PC2
10U
PC165
0.1U
PC3
10U
PC163
10U
PR172
1M
PU2
MIC29302BU(TO263)
2
1 5
4
3
VI
ON/OFF ADJ
VO
GND
PR171
200
PC4
10U
TP22
PC32
1U
PR22
10
+
PC104
*47U
PR147
0(1206)
PC49
*1000P
PR55
*1M
+
PC86
6.8U/25V(O)
PR27
100
PC138
10U
PC39
1U
PR198 0
PR199
*0
PC30
0.01U
PC176
0.1U
PR176 0
PC172
10U
PR179 0
PC178
1U
PC136
0.1U
PR186 *0
PR177
10
PR185
*0
PU10
MAX1714
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
DH
NC
/SHDN
FB
OUT
ILIM
REF
AGND
NC
PGOOD
NC
PGND
DL
VDD
VCC
TON
V+
/SKIP
BST
LX
PD36
RB751V
AC
PR21
10K 1%
PQ64A
SI4818
8
2
1
PR181
10K
+
PC18347U
PQ64B
SI4818
5
4
3
6
7
PC174
10U
PR180*0
PR184
100K
PC171
10U
PL11 SD104-100
PR183
100K
PC129
10U
PR33 10K PC124
10U
PC120
10U
PC128
10U
PC179
30P
PR182 0
PR178 5.1
PR26 5.1K 1%
PC175
0.1U(0805)
PR30
120K
PC180
0.1U
PC177
0.1U
PR31
100K
PC173
0.1U
PD9
RB751V
AC
PC36
0.1U
TP23
TP21
TP24
U29
TC7S08F
1
2
3
5
4
IN
IN
GND
VCC
OUT
PR42
10K
PC45
0.1U
PC126
10U
PC130
10U
VCC1.8
2.5V[6,9,21,26,37]
1.25V[3,6,7,8]
VCC1.5
DD_ONH[42,44]
VIN1[40,44]
VIN1[40,44]
SUSB[44]
SUSB[44]
DD_ONH[42,44]
VIAS AT
LEAST6-Ó
3A
VIAS AT
LEAST6-Ó
4A
2.5A
6A

Sheet 41 of 44

System Power 2

SCH (+2.5V, +18V,

+1.5V, +1.25V) -

(888E)