PRODUCT DATASHEET
AAT2601178
Total Power Solution for Portable Applications
Electrical Characteristics1
VIN = 5V, VBAT = 3.6V, -40°C ≤ TA ≤ +85°C, unless noted otherwise. Typical values are TA = 25°C.
Symbol Description
Power Supply
Conditions
Min
Typ
Max Units
VIN
IQ
CHGIN Input Voltage
Battery Standby Current
4.5
6
V
μA
Buck, LDO1 + LDO2, no load
170
EN_TEST, EN_HOLD, EN2, EN3, EN4, EN5
= GND, EN_KEY floating
CHGIN rising
CHGIN falling
BAT rising
ISHDN
Battery Shutdown Current
10.0
4.5
μA
4.25
4.15
2.6
2.35
2
V
V
V
V
μA
Under-Voltage Lockout for CHGIN
UVLO
IBAT
Battery Under-Voltage Lockout
Leakage Current from BAT Pin
BAT falling
VBAT = 4V, VCHGIN = 0V
5
Startup Timers
RESET
Reset Timer
Initiated when OUT1 = 90% of final value
35
ms
Charger Voltage Regulation
VBAT_REG
VMIN
Output Charge Voltage Regulation
Preconditioning Voltage Threshold
0°C ≤ TA ≤ +70°C
4.158 4.200 4.242
V
V
V
V
V
V
(No trickle charge option available)
I2C Recharge Code = 00 (default)
I2C Recharge Code = 01
I2C Recharge Code = 10
I2C Recharge Code = 11
2.6
2.8
3.0
4.00
4.05
4.10
4.15
VRCH
Battery Recharge Voltage Threshold
Charger Current Regulation
RISET = 1.24k (for 0.8A), USE_USB = Low,
I2C ISET code = 000, VBAT = 3.6V, VCHGIN
= 5.0V
USE_USB = High, I2C ISET Code = 000,
VBAT = 3.6V
720
85
800
880
115
ICH_CC
Constant-Current Mode Charge Current
mA
mA
%
ICH_CC
100
800
12
KI_SET
ICH_PRE
Charge Current Set Factor: ICH_CC/IISET
Preconditioning Charge Current
Constant Current Mode, VBAT = 3.6V
RISET = 1.24kΩ, USE_USB = Low
I2C ISET Code = 000, USE_USB = High
I2C Term Code = 00 (default)
I2C Term Code = 01
I2C Term Code = 10
I2C Term Code = 11
50
5
10
15
20
mA
%
ICH_CC
ICH_TERM
Charge Termination Threshold Current
Charging Devices
RDS(ON)
Charging Transistor ON Resistance
VIN = 5V
0.6
0.9
0.4
Ω
Logic Control / Protection
VEN_HOLD,
VEN_KEY,
VEN_TEST
Input High Threshold
Input Low Threshold
1.4
V
V
VADPP
IADPP
VSTAT
ISTAT
VOVP
Output Low Voltage
Output Pin Current Sink Capability
Output High Voltage
Output Pin Current Source Capability
Over-Voltage Protection Threshold
Pin Sinks 4mA
0.4
8
VOUT1
1.5
V
mA
V
mA
V
4.3
1. Specification over the –40°C to +85°C operating temperature range is assured by design, characterization and correlation with statistical process controls.
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6
2601.2008.01.1.0
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
