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5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
1%
1%
0.287V
1%
1%
1%
1%
1%
1%
1%
1%
50V
50V
CHARGER MB3878 2.2
J2N
Custom
38 43Tuesday, August 17, 2004
Title
Size Document Number Rev
Date: Sheet
of
ICHG_OUT
ICHG_OUT
ICHG_SET
ICHG_SET
CS_SET
CS_SET
BAT_SET
BAT_SET
+2.5VREF
+5VLCM
5VREF
5VREF
+5VS
BAT
AC_BAT_SYS
BAT
A/D_VIN_D
A/D_VIN
A/D_VIN
C11
4.7UF/25V
12
C42
0.1UF
12
C16
1U
12
C53
47pF/50V
1 2
R70
51KOhm
1 2
R64
150KOhm
1 2
Q13B
UM6K1N
5
34
C18
47pF/50V
12
C17
0.01UF
12
T50
TPC28
1
R24
100KOhm
1 2
C22
0.1UF
12
T9
TPC28
1
C57
0.01uF
12
D7
1SS355
12
R36
13KOhm
1 2
R74
100KOhm
1 2
C21
0.1UF
1 2
T85
TPC28
1
R60
10KOhm
1 2
C48
47pF/50V
1 2
R22
50mOhm
1 2
R54
20KOhm
1 2
+
7343
5750
C13
15UF/25V
12
+
-
V+
GND
U3
LMV331
1
3
4
52
R26
10Ohm
12
R61
13KOhm
1 2
R38
100KOhm
1 2
C52
4.7U
12
C26
0.1UF
12
R65
8.2KOhm
1 2
R55
11KOhm
1 2
T52
TPC28
1
R67
150KOhm
1 2
T81
TPC28
1
C54
0.01UF
12
U4
MB3878
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
-INC2
OUTC2
+INE2
-INE2
FB2
VREF
FB1
-INE1
+INE1
OUTC1
OUTD
-INC1
+INC2
GND
CS
VCC(O)
OUT
VH
VCC
RT
-INE3
FB3
CTL
+INC1
R40
1MOhm
1 2
T80
TPC28
1
D3
EC31QS04
1 2
C23
1uF
12
L45
10UH
21
S D
G
Q6
SI4425DY
1
2
3
5
6
7
8
4
R62
4.7KOhm
1 2
C20
0.1UF
12
R39
4.7KOhm
1 2
R72
8.2KOhm
1 2
Q13A
UM6K1N
2
61
R25
8.2KOhm
1 2
R37
10KOhm
1 2
EOC#32 BAT_A/B#32,37
CHG_EN32,37