AAT2550_08 ANALOGICTECH [Advanced Analogic Technologies], AAT2550_08 Datasheet - Page 27

• Manufacturer Part Number: AAT2550_08
• Description: Total Power Solution for Portable Applications
• Manufacturer: ANALOGICTECH [Advanced Analogic Technologies]

SystemPower
SystemPower
2550.2008.02.1.3
2550.2008.02.1.3
TM
TM
EnVoA
VIN
VoA
1
2
3
Data Strobe
SW1
GND
4.7μF
C8
VoA, VoB (V)
VoA
VoB
Data
R10
118k
Figure 4: AAT2550 Evaluation Board Schematic.
L2
1.0
1.2
1.5
1.8
2.5
3.0
3.3
R3
4.7μH
(open)
1k
GND
C10
100pF
(opt.)
C14
BAT
LX A
TS
C6
120μF
R8, R10 (Ω)
(opt)
9.2k
59k
88.7k
118k
187k
237k
267k
Battery
R6
8.06k
1
2
3
C4
10μF
1
2
3
4
5
6
GND
w w w . a n a l o g i c t e c h . c o m
w w w . a n a l o g i c t e c h . c o m
ENA
LXA
PGND
DATA
N/C
ADPSET
24
C13
10μF
7
R9
59k
L1, L2
2.2μH (CDRH2D14; DCR 75mΩ; 1200mA @ 20°C)
2.2μH (CDRH2D14; DCR 75mΩ; 1200mA @ 20°C)
4.7μH (CDRH2D14; DCR 135mΩ; 1000mA @ 20°C)
4.7μH (CDRH2D14; DCR 135mΩ; 1000mA @ 20°C)
6.8μH (CDRH2D14; DCR 170mΩ; 850mA @ 20°C)
6.8μH (CDRH2D14; DCR 170mΩ; 850mA @ 20°C)
6.8μH (CDRH2D14; DCR 170mΩ; 850mA @ 20°C)
23
8
22
AAT2550
9
Total Power Solution for Portable Applications
Total Power Solution for Portable Applications
U1
21
10
C3
10μF
R7
59k
11
20
STAT1
STAT2
PGND
19
12
GND
LXB
CT
TS
18
17
16
15
14
13
C5
10μF
LX B
L1
R4
10k
C11
100pF
(opt)
6.8μH
Charger Enable
1
2
3
R2
1.5k
D2
STAT2
Green
EnVoB
3
2
1
PRODUCT DATASHEET
PRODUCT DATASHEET
R8
187k
C9
4.7μF
R1
1.5k
D1
STAT1
Red
Adapter
1
2
C12
0.1μF
AAT2550178
AAT2550178
ADP
GND
VoB
CT
27
27