AAT2550
Total Power Solution for Portable Applications
J1
J8
C6
GND GND
100µF
TB1
J2
GND
3
2
1
C4
R9
R7
C5
J3
VIN
10µF 59.0k
59.0k
10µF
VOB
TB2
1
2
3
VOA
J4
LXB
C11
n/a
R8
267k
R10
118k
C10
n/a
J5
L1 6.8µH
1
18
VOB
ENA
LXB
L2 4.7µH
VOA
C9
4.7µF
2
17
16
15
14
13
LXA
PGND
CT
C8
4.7µF
LXA
3
U1
AAT2550
J7
CT
PGND
DATA
N/C
4
5
6
C12
0.1µF
STAT1
STAT2
TS
SW1
Data Strobe
R1
4.7k
ADPSET
R2
R3
1k
4.7k
D1
C14
R6
STAT1
Red
0.01µF
8.06k
D2
STAT2
Green
TB3
ADP
GND
1
2
C3
10µF
TB4
Adapter Input
1
2
3
1
2
3
BAT
GND
TS
Charger Enable
TB5
Battery
R4
10k
Figure 4: AAT2550 Evaluation Board Schematic.
2550.2006.07.1.0
29