AAT3687_08 Datasheet, PDF (4/20 Pages) Advanced Analogic Technologies – Lithium-Ion/Polymer Battery Charger

BatteryManager^TM
PRODUCT DATASHEET
AAT3687
Lithium-Ion/Polymer Battery Charger
Electrical Characteristics¹
V_ADP = 5V, T_A = -40°C to +85°C, unless otherwise noted. Typical values are at T_A = 25°C.
Symbol Description
Operation
ADP
V_ADPP
V_UVLO
I_OP
Adapter Voltage Range
Adapter Present Threshold Voltage
Under-Voltage Lockout (UVLO)
UVLO Hysteresis
Operating Current
I_SLEEP
Sleep Mode Current
I_Leakage
Reverse Leakage Current from BAT Pin
Voltage Regulation
V1
BAT_EOC
∆V_CH/V_CH
V_MIN
End of Charge Voltage Accuracy
Output Charge Voltage Tolerance
Preconditioning Voltage Threshold
V_RCH
Battery Recharge Voltage Threshold
Current Regulation
I_CH
Charge Current
∆I_CH/I_CH Charge Current Regulation Tolerance
V_ADPSET
ADPSET Pin Voltage
K_IA
Current Set Factor: I_CH/I_ADPSET
Charging Devices
R_DS(ON)
Adapter Charging Transistor
On Resistance
Conditions
Rising Edge
Charge Current = 100mA
AAT3687: V_BAT = 4.25V
AAT3687-1, AAT3687-2: V_BAT = 4.25V
V_BAT = 4V, ADP Pin Open
AAT3687, AAT3687-1 Only
CC Mode
V_IN = 5.5V
Min Typ Max Units
4.0
5.5
V
3.0
V
3.0
V
150
mV
0.75
1.5
mA
0.3
1.0
µA
1
3
1.0
µA
4.158
4.20
4.242
V
0.5
%
2.8
3.0
3.15
V
V_{BAT_EOC} -
0.1
V
100
1500 mA
10
%
2.0
V
4000
0.2
0.25
0.35
Ω
1. The AAT3687 output charge voltage is specified over the 0° to 70°C ambient temperature range; operation over the -40°C to +85°C temperature range is guaranteed by
design.
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3687.2008.04.1.12