AAT3692 Datasheet, PDF (2/19 Pages) Skyworks Solutions Inc. – Dual Input 1.6A Linear Charger with 28V OVP in a 3x4 TDFN Package

DATA SHEET
AAT3692
Dual Input 1.6A Linear Charger with 28V OVP in a 3x4 TDFN Package
Pin Descriptions
Pin #
1
2.
3
4
5
6
7
8, 9
10
11
12
13
14
15
16
Name
USB
USBCH
ADP
ADPCH
POK
STAT
TERM
GND
IC
EN
ADPSET
USBSET
NOBAT
N/C
BAT
Type
I
I/O
I
I/O
O
O
I
I
I
I
I
I
O
Function
Input from USB port connector
Output from USB OVP stage, input to battery charger. Decouple with 2.2μF capacitor.
Input from adapter port connector
Output from ADP OVP stage, input to battery charger. Decouple with 2.2μF capacitor.
Input power status Indication pin, open drain. A 10kΩ pull-up resistor is recommended.
Charge status indication pin, open drain.
Termination current percentage programming input pin. Typical 13.3kΩ for 10% termination
current of fast charging current.
Connect to power ground
Internally used. Connect to GND or leave floating.
Active low enable with internal 200kΩ resistor pull-down to GND.
ADP charge current programming input pin.
USB charge current programming input pin.
No battery present input. Logic “High“ indicates no battery. Internal 1.6MΩ pull-high resistor.
No connection.
Connect to lithium-ion battery.
Pin Configuration
TDFN34-16
(Top View)
USB ¹
USBCH ²
ADP ³
ADPCH ⁴
POK ⁵
STAT ⁶
TERM ⁷
GND ⁸
16 _BAT
15 _N/C
14 _NOBAT
13 _USBSET
12 _ADPSET
11 _EN
10 _IC
9 _GND
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
2
201895B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 27, 2012