AAT3688 データシートの表示（PDF） - Advanced Analogic Technologies
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AAT3688 Datasheet PDF : 21 Pages
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BatteryManagerTM
Pin Descriptions
Pin #
1
2
3
4
5
6
7
8
9
10
11
12
EP
Name
USB
BAT
GND
CHR
EN
TS
DATA
STAT2
STAT1
USBSEL
USBL
USBH
Type
In
In/Out
Ground
In/Out
In
In/Out
In/Out
Out
Out
In
In/Out
In/Out
PRODUCT DATASHEET
AAT3688
USB Port Lithium-Ion/Polymer Battery Charger
Function
USB power supply input.
Battery charging and sensing.
Ground connection.
Resistor divider to set USB voltage regulation for charge reduction mode. Leave this
pin open for default 4.5V USB regulation point. Tie to USB pin to disable this function.
Enable pin. Logic high enables the IC.
Connect to 10kΩ NTC thermistor.
Status report to microcontroller via serial interface, open-drain.
Battery charge status indicator pin to drive an LED: active low, open-drain.
Battery charge status indicator pin to drive an LED: active low, open-drain.
When USB is present, use this pin to toggle between USBH and USBL charging levels.
Connect resistor here to set charge current for low-current USB port.
Connect resistor here to set charge current for high-current USB port.
Exposed paddle (bottom); connect to GND directly beneath package.
Pin Configuration
TDFN33-12
(Top View)
USB 1
BAT 2
GND 3
CHR 4
EN 5
TS 6
12 USBH
11 USBL
10 USBSEL
9 STAT1
8 STAT2
7 DATA
2
www.analogictech.com
3688.2007.12.1.6
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