AAT2554 Datasheet, PDF (6/33 Pages) Advanced Analogic Technologies – Total Power Solution for Portable Applications

AAT2554
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
Rising Edge
I_OP
Operating Current
I_SHUTDOWN Shutdown Current
I_LEAKAGE
Reverse Leakage Current from BAT Pin
Voltage Regulation
Charge Current = 200mA
V_BAT = 4.25V, EN_BAT = GND
V_BAT = 4V, ADP Pin Open
V_{BAT_EOC}
End of Charge Accuracy
ΔV_CH/V_CH Output Charge Voltage Tolerance
V_MIN
Preconditioning Voltage Threshold
V_RCH
Battery Recharge Voltage Threshold
Current Regulation
Measured from V_{BAT_EOC}
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_ADP = 5.5V
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
STAT Pin Sinks 4mA
I_CH = 100mA
Min
4.0
3
4.158
2.85
15
1.6
Typ
150
0.5
0.3
0.4
4.20
0.5
3.0
-0.1
10
2
800
0.9
4.4
10
10
Max Units
6.5
V
4
V
mV
1
mA
1
µA
2
µA
4.242 V
%
3.15 V
V
500 mA
%
V
1.1
Ω
V
0.4
V
0.4
V
8
mA
V
%
%
1. The AAT2554 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.
6
2554.2007.01.1.2