AAT2552 Datasheet, PDF (26/33 Pages) Advanced Analogic Technologies – Total Power Solution for Portable Applications

AAT2552
Total Power Solution for Portable Applications
JP1
2 1 ^EN_BAT
Sync/Mode
D1
RED
LED
R6
1.5K
VoB
C4
100pF R2
(Optional)
C3
4.7μF
L1
R3
59k
ADP
3 2 1 _{Power Selection}
BAT
C1
C6
10μF
10μF
(at bottom layer)
U1
15 _ADP
16 _STAT
1 _{EN_BAT}
6 _MODE
12 _LX
4 _FBB
3 _AGND
13 _PGND
INA ¹⁰
INB ¹¹
ENA ⁷
ENB ⁵
BAT ¹⁴
ISET ²
OUTA ⁹
FBA ⁸
JP2
1
2
EN_LDO
JP3
1
2
EN_BUCK
VoA
R1
R4
8.06K
C5
4.7μF
R5
59k
C2
10μF
VOUTB (V) R2 (Ω)
L1
0.6 R2 short, R3 open
13
9.2K
1.5μH (CDRH2D09/HP; DCR 88mΩ; 730mA @ 20°C)
1.2
59K
2.2μH (CDRH2D09/HP; DCR 115mΩ; 600mA @ 20°C)
1.8 118K
3.0μH (CDRH2D09/HP; DCR 150mΩ; 470mA @ 20°C)
2.5 187K
3.9μH (CDRH2D09/HP; DCR 180mΩ; 450mA @ 20°C)
3.0 237K
4.7μH (CDRH2D09/HP; DCR 230mΩ; 410mA @ 20°C)
3.3 267K
5.6μH (CDRH2D09/HP; DCR 260mΩ; 370mA @ 20°C)
VOUTA (V)
1.24
1.5
1.8
2.0
2.5
2.8
3.0
R4 (Ω)
R4 short, R5 open
12.4K
26.7K
36.5K
60.4K
75.0K
97.6K
Figure 5: AAT2552 Evaluation Board Schematic.
Figure 6: AAT2552 Evaluation Board
Top Side Layout.
Figure 7: AAT2552 Evaluation Board
Bottom Side Layout.
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2552.2007.04.1.0