AAT2550 Datasheet, PDF (27/34 Pages) Advanced Analogic Technologies – Total Power Solution for Portable Applications

DATA SHEET
AAT2550
Total Power Solution for Portable Applications
VIN
GND
C6
GND
120μF
(opt)
C4
10μF
R9
59k
GND
R7
59k
C5
10μF
EnVoB
3
2
1
EnVoA
1
2
3
R10
118k
C10
100pF
(opt.)
24 23 22 21 20 19
LX B ^C11
100pF
(opt)
R8
187k
LX A
1 _ENA
LXB ¹⁸
L1 6.8μH
VoB
VoA
L2 4.7μH
C8
4.7μF
2 _LXA
PGND ¹⁷
3 _PGND
U1
CT ¹⁶
C9
4.7μF
CT
Data
SW1
Data Strobe
C14
(open)
4 _DATA AAT2550
5 _N/C
6 _ADPSET
R6
8.06k
STAT1 ¹⁵
STAT2 ¹⁴
TS ¹³
7 8 9 10 11 12
R3 1k
C12
0.1μF
R1
1.5k
R2
R4
1.5k
10k
D1
STAT1
D2
Red
STAT2
Green
C13
10μF
BAT 1
GND 2
TS 3
C3
10μF
1
2
3
Charger Enable
1 ^ADP
2 _GND
Adapter
Battery
VoA, VoB (V)
1.0
1.2
1.5
VoA 1.8
VoB _2.5
3.0
3.3
R8, R10 (Ω)
9.2k
59k
88.7k
118k
187k
237k
267k
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)
Figure 4: AAT2550 Evaluation Board Schematic.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
202174B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • March 19, 2013
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