AAT3688 データシートの表示（PDF） - Analog Technology Inc
部品番号
コンポーネント説明
メーカー
AAT3688 Datasheet PDF : 23 Pages
| |||
AAT3688
USB Port Lithium-Ion/Polymer Battery Charger
Pin Descriptions
Pin #
1
2
3
4
Name
USB
BAT
GND
CHR
Type
In
In/Out
Ground
In/Out
5
EN
In
6
TS
In/Out
7
DATA
In/Out
8
STAT2
Out
9
STAT1
Out
10
USBSEL
In
11
USBL
In/Out
12
USBH
In/Out
EP
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
3688.2006.04.1.3
Share Link: 