AAT3685 Datasheet, PDF (5/23 Pages) Advanced Analogic Technologies – Lithium-Ion/Polymer Battery Charger

AAT3685
Lithium-Ion/Polymer Battery Charger
Electrical Characteristics¹
V_ADP = 5V, T_A = -25°C to +85°C, unless otherwise noted. Typical values are at T_A = 25°C.
Symbol Description
Logic Control / Protection
V_PWRSEL(H)
V_PWRSEL(L)
V_EN(H)
V_EN(L)
I_EN(H)
V_STAT
I_STAT
V_OVP
Input High Threshold
Input Low Threshold
Input High Threshold
Input Low Threshold
EN Input Current
Output Low Voltage
STAT Pin Current Sink Capability
Over-Voltage Protection Threshold
I_TK/I_CHG Pre-Charge Current
I_TERM/I_CHG
I_TERM/I_CHG
I_TS
Charge Termination Threshold Current
Charge Termination Threshold Current
Current Source from TS Pin
TS1
TS Hot Temperature Fault
TS2
TS Cold Temperature Fault
I_DATA
V_DATA(H)
V_DATA)(L)
SQ_PULSE
t_PERIOD
f_DATA
T_OVSD
DATA Pin Sink Current
Input High Threshold
Input Low Threshold
Status Request Pulse Width
System Clock Period
Data Output Frequency
Over-Temperature Shutdown Threshold
Conditions
Min Typ Max Units
1.6
V
0.4 V
1.6
V
0.4 V
AAT3685-1 Only, V_EN = 5V
STAT Pin Sinks 4mA
10 μA
0.4 V
8.0
mA
4.4
V
For SETH Mode
For SETL Mode
10
%
50
For SETH Mode
7.5
%
For SETL Mode
35
%
70 80 90 μA
Threshold
Hysteresis
310 330 350 _mV
15
Threshold
2.2 2.3 2.4 V
Hysteresis
10
mV
DATA Pin is Active Low State 3.0
mA
1.6
V
0.4 V
Status Request
200
ns
50
μs
20
kHz
145
°C
1. The AAT3685 output charge voltage is specified over the 0° to 70°C ambient temperature range; operation over the -25°C to +85°C
temperature range is guaranteed by design.
3685.2006.10.1.3
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