PRODUCT DATASHEET
AAT2601178
Total Power Solution for Portable Applications
Typical Application
To AVIN1,AVIN2, PVIN
SYSOUT
System
Supply
SYSOUT
LDO
500mΩ
100mΩ
BAT
CHGIN
5V from
AC Adapter or USB Port
+
-
1 cell
Li+
battery
10μF
To SYSOUT
10μF
100k
ADPP
STAT
Charger
Control
ISET
TS
CT
10kΩ
ENBAT
1.24k
NTC
Ref
For BAT
Temp sense
USE_USB
100k
To
SYSOUT
0.1μF
SDA
SCL
100k
To
SYSOUT
To SYSOUT
EN_TEST
EN_HOLD
PVIN
μC
UVLO
Core : 1.8V
300mA
10μF
3.3μH
LX
I2C
and
Enable
Control
VIN
Step-down
EN_KEY
ON_KEY
4.7μF
BUCK
Ref
Enable
OUTBUCK
PGND
RESET
EN2
To OUT1
100k
VIN
REF
EN3
EN4
EN5
CNOISE
AVIN2
AVIN1
To SYSOUT
To SYSOUT
0.01μF
AGND
OUT5
OUT4
OUT3
OUT2
OUT1
TX
PowerDigital
RX
TCXO
PowerAnalog
3.0V
300mA
3.0V
3.0V
3.0V
3.0V
150mA
150mA
150mA
150mA
4.7μF
4.7μF
22μF
4.7μF
4.7μF
w w w . a n a l o g i c t e c h . c o m
2
2601.2008.01.1.0
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
