Table of Contents
Advertisement
1
2
GND
POWER +
POWER -
3
4
Adapter power 20V IN
CN1
CN1
20227-044L1
20227-044L1
4200mA/180mil
1
TP68
TP68
2
TP69
TP69
C4
C4
3
TP70
TP70
0.1uF/50V
0.1uF/50V
4
TP71
TP71
GND
GND
Cu 1oz : 8mil VIA/1.09A
Charger Circuit
ADP_20V
Q3
Q3
Q4
Q4
5
1
1
D1
S1
S1
D1
6
2
2
D2
S2
S2
D2
R14
R14
7
3
3
D3
S3
S3
D3
8
D4
D4
P
P
4
G
2.2ohm
2.2ohm
AP4435GM-HF
AP4435GM-HF
AP4435GM-HF
AP4435GM-HF
C22
C22
R15
R15
430K
430K
R16
R16
GND
66.5K
66.5K
ACGOOD
R18
R18
422K
422K
R20
R20
Vref
71.5K
71.5K
Vref
ADP_20V
Vref
Vref
Vref
R32
R32
R24
R24
R25
R25
R26
R26
@10K
@10K
@10K
@10K
10K
10K
0ohm
0ohm
CHGEN
LEARN
CELLS
VDAC
R378
R378
R27
R27
R28
R28
R29
R29
10K
10K
10K
10K
@10K
@10K
@10K
@10K
Cells= Float : 2 Cell
VADJ = REGN
Cells= AGND : 3 Cell
VBATT defaults to
Cells= VREF : 4 Cell
4.2 V × cell count
when VADJ is
connected to REGN
V_SYS
R30
R30
0ohm
0ohm
C35
C35
R31
R31
0ohm
0ohm
C34
C34
10uF/35V
10uF/35V
0.1uF/50V
0.1uF/50V
1206
GND
GND
R40
R40
24.9K ohm
24.9K ohm
GND
GND
STBY POWER
5
ADP_20V
TP1
TP1
D2
D2
R1
R1
100K
100K
3.6V
1
3
ADP_IN
+1
NC
2
+2
C7
C7
BAV70-7-F
BAV70-7-F
R9
R9
C5
C5
+
+
R4
R4
100K
100K
1uF/50V
1uF/50V
27K
27K
100uF/35V
100uF/35V
GND
GND
GND
GND
5
RAC1
RAC1
0.01ohm
0.01ohm
6
U2
U2
7
C18
C18
C17
C17
0.1uF/50V
0.1uF/50V
8
2
ACN
28
0.1uF/50V
0.1uF/50V
PVCC
C21
C21
4
G
3
ACP
0.1uF/50V
0.1uF/50V
GND
14
BATDRV#
4
ACDRV#
5
26
ACDET
HIDRV
Vref
9
AGND
R17
R17
25
PH
13
ACGOOD#
10K
10K
8
OVPSET
27
BTST
R19
R19
100K
100K
16
D5
D5
SRSET
R21
R21
9.1K
9.1K
BAT54
BAT54
R22
R22
100K
100K
6
24
REGN
ACSET
REGN
Vref
C26
C26
R23
R23
33.2K
33.2K
1uF/25V
1uF/25V
10
23
VREF
LODRV
C28
C28
0.1uF/50V
0.1uF/50V
LEARN
21
22
LEARN
PGND
CELLS
20
19
CELLS
SRP
CHGEN
1
18
CHGEN#
SRN
VDAC
11
17
VDAC
BAT
R45
R45
REGN
0ohm
0ohm
12
7
VADJ
ACOP
R46
R46
IADAPT
15
29
IADAPT
THERMAL PAD
C31
C31
C32
C32
0.47uF/25V
0.47uF/25V
BQ24753ARHDR
BQ24753ARHDR
@10K
@10K
100pF/25V
100pF/25V
DC-DC
VSYS-->12V
C33
C33
0.1uF/50V
0.1uF/50V
R34
R34
U3
U3
100K
100K
L5
L5
2
1
1
EN
SW
22uH +-30%
22uH +-30%
R39
R39
6
4
FREQ
FB
C39
C39
R42
R42
562K ohm
562K ohm
MP1584EN-LF-Z
MP1584EN-LF-Z
R44
R44
D6
D6
B360A-013-F
B360A-013-F
200K
200K
C43
C43
40.2K ohm
40.2K ohm
150pF/50V
150pF/50V
GND
GND
GND
GND
R49
R49
C49
C49
147K ohm
147K ohm
GND
33
6
7
170mil
230mil
C19
C19
C20
C20
10uF/35V
10uF/35V
10uF/35V
10uF/35V
Q5
Q5
AP4435GM-HF
AP4435GM-HF
GND
GND
P
Q6
Q6
N
230mil
FDS8880
FDS8880
107A1200281D
RSR
VBAT
L4
L4
RSR1
RSR1
C23
C23
0.1uF/50V
0.1uF/50V
1
2
10uH +-20%
10uH +-20%
Q7
Q7
0.01ohm
0.01ohm
C24
C24
C25
C25
10uF/35V
10uF/35V
N
10uF/35V
10uF/35V
GND
FDS8880
FDS8880
GND
GND
C27
C27
0.1uF/50V
0.1uF/50V
C29
C29
0.1uF/50V
0.1uF/50V
GND
C30
C30
0.1uF/50V
0.1uF/50V
GND
TP86
TP86
12V
922.85mA
20mil
CN4
CN4
20277-024L1
20277-024L1
1
R35
R35
0ohm
0ohm
2
TP87
TP87
1206
2
TP88
TP88
C42
C42
R37
R37
1206
C41
C41
C40
C40
0ohm
0ohm
GND
GND
Change in DVT
GND
GND
SCHEMATIC DIAGRAMS (1/12)
CHAPTERAI UNIT
8
A
B
V_SYS
Q11
Q11
1
5
S1
D1
2
6
S2
D2
R70
R70
3
7
S3
D3
8
D4
4
G
100K
100K
AP4435GM-HF
AP4435GM-HF
R33
R33
C37
C37
150pF/50V
150pF/50V
10K
10K
PWR_ON: NC --> OFF
GND
PWR_ON
PWR_ON: Low --> ON
C
Battery Connector
CN3
CN3
1
TP72
TP72
2
1
TP73
TP73
3
2
SMBC
TP74
TP74
3
SMBD
4
TP75
TP75
5
4
VBAT
TP76
TP76
5
6
TP77
TP77
6
50320-0060N-001
50320-0060N-001
GND
D
CN7
CN7
1
1
2
2
SMBD
3
3
SMBC
4
4
5
TP82
TP82
5
CHGEN
6
6
TP83
TP83
PWR_ON
7
7
TP85
TP85
8
8
ADP_IN
9
12
9
NC2
10
11
10
NC1
88511-1001
88511-1001
GND
GND
E
F
Hide quick links:
Advertisement
Table of Contents
