AAT3684 Datasheet, PDF (4/17 Pages) Advanced Analogic Technologies – 500mA USB Port or AC Adapter Lithium-Ion/Polymer Battery Charger

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PRODUCT DATASHEET
AAT3684
500mA USB Port or AC Adapter Lithium-Ion/Polymer Battery Charger
Electrical Characteristics
V_ADP = 5V, T_A = -40°C to +85°C, unless otherwise noted. Typical values are T_A = 25°C.
Symbol Description
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
ΔV_CH/V_CH Output Charge Voltage Tolerance
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_CH
I_TERM/I_CH
Input High Threshold
Input Low Threshold
Output Low Voltage
STAT Pin Current Sink Capability
Over-Voltage Protection Threshold
Pre-Charge Current
Charge Termination Threshold Current
Conditions
Rising Edge
Charge Current = 200mA
V_BAT = 4.25V, EN = GND
V_BAT = 4V, ADP Pin Open
T_A = 25°C
AAT3684 Only
Measured from V_{BAT_EOC}
V_IN = 5.5V
STAT Pin Sinks 4mA
I_CH = 100mA; AAT3684 Only
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
0.5
%
2.85
3.0
3.15
V
-0.1
V
15
500
mA
10
%
2
V
800
0.9
1.1
Ω
1.6
V
0.4
V
0.4
V
8
mA
4.4
V
10
%
10
%
4
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3684.2007.12.1.2