AAT3680 Datasheet, PDF (4/18 Pages) Advanced Analogic Technologies – Lithium-Ion Linear Battery Charge Controller

AAT3680
Lithium-Ion/Polymer
Linear Battery Charge Controller
Electrical Characteristics
V_IN = 4.5V to 5.5V, T_A = -20°C to 70°C, unless otherwise noted; typical values are at T_A = 25°C.
Symbol
I_P
I_SLEEP
I_STAT(HI)
V_STAT(LOW)
I_SINK
V_OL@DRV
V_CH
V_CS
V_MIN
V_TRICKLE
T_2X
V_TS1
V_TS2
V_TERM
V_RCH
V_UVLO
V_OVP
V_OCP
Description
Conditions
Min
Operating Current
Sleep Mode Current
STAT High-Level Output
Leakage Current
V_IN = 5.5V, V_CH = 4.1V, V_CH = 4.2V
V_IN = 3.5V, V_CH = 4.1V, V_CH = 4.2V
V_IN = 5.5V
-1
STAT Low-Level Sink Current
DRV Pin Sink Current
DRV Pin Output Low
Output Charge Voltage
V_IN = 5.5V, I_SINK = 5mA
V_IN = 5.5V
I_SINK = 5mA, V_IN = 5.5V
AAT3680-4.1 ^{TA = 25°C}
See Note 1
AAT3680-4.2 ^{TA = 25°C}
See Note 1
20
4.075
4.059
4.175
4.158
Charge Current Regulation
Preconditioning Voltage Threshold
V_IN = 5.5V, V_CH = 4.1V, V_CH = 4.2V
AAT3680-4.1
AAT3680-4.2
90
2.94
3.04
Trickle-Charge Current Regulation T2X Floating, V_CH = 4.1V, V_CH = 4.2V
Trickle Charge Current Gain
T2X = V_SS
Low-Temperature Threshold
V_IN = 5.5V
29.1
High-Temperature Threshold
V_IN = 5.5V
58.2
Charge Termination Threshold Voltage
4
Battery Recharge Voltage Threshold
Under-Voltage Lockout
Over-Voltage Protection Threshold
V_CH = 4.1V
V_CH = 4.2V
V_IN Rising, T_A = 25°C
3.92
4.018
3.5
Over-Current Protection Threshold
Typ
0.5
2
0.3
0.4
4.100
4.100
4.200
4.200
100
3.0
3.1
10
1.8
30
60
12
4.00
4.10
4.0
4.4
200
Max Units
3 mA
6
µA
+1 µA
0.6 V
mA
1.0 V
4.125
4.141 _V
4.225
4.242
110 mV
3.06
3.16 ^V
mV
30.9
61.8
24
4.08
4.182
4.5
% V_P
% V_P
mV
V
V
V
% V_CS
1. The AAT3680 output charge voltage is specified over 0° to 50°C ambient temperature; operation over -20°C to +70°C is guaranteed
by design.
4
3680.2006.03.1.6