AAT3698 Datasheet, PDF (19/21 Pages) Skyworks Solutions Inc. – 1.6A Linear Li-Ion Battery Charger in a 3x3 TDFN Package

DATA SHEET
AAT3698
1.6A Linear Li-Ion Battery Charger in a 3x3 TDFN Package
5V ^TP6 _JP2
NOBAT
VIN 1
GND 2
JP1
EN
TP2
5V
U1
C1
1μF ^TP1
INCHR
2 _IN
NOBAT
1 _INCHR
BAT
C2
1μF
AAT3698-X
ABO
9 _EN
ABI
IC
+5 _D1
R1
Red LED
D2
R2
Green LED
LDOOUT
4 _POK
ISET
5 _STAT
GND
AAT3698-TDFN33-14
8
TERM
12
C4
1μF
14
+5
6 ^{R5 (optional)}
13
11 ^{R6 (optional)}
3
10
7
R3
13.3k
C3
1μF
R4
3.16k
1 BAT
2 _BATGND
TP5
ABO
TP4
ABI
LDOOUT
TP3
C1
C2, C3, C4
1206 X7R 1μF 50V GRM31MR71H105KA88
0603 X5R 1μF 10V GRM188R61A105KE34
Figure 7: AAT3698-1/-2 Evaluation Board Schematic.
Component
U1
C1
C2, C3, C4
R1, R2
R3
R4
R5
R6
D1
D2
JP1, JP2
Part Number
AAT3698IWO-1/-2
GRM31MR71H105KA88
GRM188R61A105KE34
Chip Resistor
Chip Resistor
Chip Resistor
Chip Resistor
Chip Resistor
LST-C190CKT
LST-C190GKT
PRPN401PAEN
Description
1.6A Linear Li-Ion/Polymer Battery Charger in TDFN33-14 Package
Ceramic 1μF/50V, 10%, X7R, 1206
Ceramic 1μF/10V, 10%, X5R, 0603
1.5kΩ, 5%, 1/4W, 0603
13.3kΩ, 1%, 1/4W, 0603
1.58kΩ, 1%, 1/4W, 0603
10kΩ, 1%, 1/4W, 0603
0Ω, 5%, 1/4W, 0603
Red LED, 0603
Green LED, 0603
Conn. Header, 2mm zip
Manufacturer
Skyworks
Murata
Murata
Vishay
Vishay
Vishay
Vishay
Vishay
Lite-On Inc.
Lite-On Inc.
Sullins Electronics
Table 6: AAT3698-1/-2 Evaluation Board Bill of Materials (BOM).
Product
AAT3698-1
AAT3698-2
Constant Regulated
Output Voltage (V)
4.2
4.2
Automatic Charge Termination
and Recharge Sequencing
when I_BAT ≤ I_TERM
Yes
No
Input OVP
Trip Point (V)
7.25
7.25
Preconditioning
Voltage Threshold (V)
2.6
2.6
Table 7: AAT3698 Options.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
201902B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 27, 2012
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