AAT2552 Datasheet, PDF (6/33 Pages) Advanced Analogic Technologies – Total Power Solution for Portable Applications

AAT2552
Total Power Solution for Portable Applications
Electrical Characteristics¹
V_ADP = 5V; T_A = -40°C to +85°C, unless otherwise noted. Typical values are T_A = 25°C.
Symbol Description
Conditions
Battery Charger
Operation
V_ADP
V_UVLO
Adapter Voltage Range
Under-Voltage Lockout (UVLO)
UVLO Hysteresis
I_OP
Operating Current
I_SHUTDOWN Shutdown Current
I_LEAKAGE
Reverse Leakage Current from BAT Pin
Voltage Regulation
V_{BAT_EOC} End of Charge Accuracy
V_MIN
Preconditioning Voltage Threshold
V_RCH
Battery Recharge Voltage Threshold
Current Regulation
I_CH
Charge Current Programmable Range
ΔI_CH/I_CH Charge Current Regulation Tolerance
V_SET
ISET Pin Voltage
K_{I_A}
Current Set Factor: I_CH/I_SET
Charging Devices
R_DS(ON)
Charging Transistor On Resistance
Logic Control/Protection
V_EN(H)
V_EN(L)
V_STAT
I_STAT
V_OVP
I_TK/I_CHG
I_TERM/I_CHG
Enable Threshold High
Enable Threshold Low
Output Low Voltage
STAT Pin Current Sink Capability
Over-Voltage Protection Threshold
Pre-Charge Current
Charge Termination Threshold Current
Rising Edge
Charge Current = 200mA
V_BAT = 4.25V, V_{EN_BAT} = GND
V_BAT = 4V, ADP Pin Open
Measured from V_{BAT_EOC}
I_CHARGE = 200mA
V_ADP = 5.5V
STAT Pin Sinks 4mA
I_CH = 100mA
Min Typ Max Units
4.0
6.5
V
3
4
V
150
mV
0.5 1 mA
0.3
1
µA
0.4
2
µA
4.158 4.20 4.242 V
2.8 3.0 3.2
V
-0.1
V
30
500 mA
-10
10
%
2
V
800
0.5 0.8 Ω
1.6
V
0.4
V
0.4
V
8 mA
4.4
V
10
%
10
%
1. The AAT2552 is guaranteed to meet performance specifications over the -40°C to +85°C operating temperature range and is assured
by design, characterization, and correlation with statistical process controls.
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2552.2007.04.1.0