AAT3686 Datasheet, PDF (5/24 Pages) Advanced Analogic Technologies – USB Port/AC Adapter Lithium-Ion/Polymer Battery Charger

AAT3686
USB Port/AC Adapter
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
Conditions
Min Typ
Logic Control / Protection
V_USBSEL(H)
V_USBSEL(L)
V_EN(H)
V_EN(L)
I_EN(H)
V_ADPP#
T_P
T_C
Input High Threshold
Input Low Threshold
Input High Threshold
Input Low Threshold
EN Input Current
Output Low Voltage
Preconditioning Time Out (ADP mode only)
Preconditioning and Constant Current Mode
Time Out (ADP mode only)
AAT3686-1 Only; V_EN = 5V
ADPP# Pin Sinks 4mA
C_CT = 100nF, V_ADP = 5.5V
C_CT = 100nF, V_ADP = 5.5V
1.6
1.6
25
3.0
T_V
Constant Voltage Mode Time Out
(ADP mode only)
C_CT = 100nF, V_ADP = 5.5V
3.0
V_STAT
Output Low Voltage
STAT Pin Sinks 4mA
I_STAT
STAT Pin Current Sink Capability
8.0
V_OVP
Over-Voltage Protection Threshold
4.4
I_TK/I_CHG Pre-Charge Current
For Adapter or USBH Mode
10
For USBL Mode
50
I_TERM/I_CHG Charge Termination Threshold Current
For Adapter or USBH Mode
For USBL Mode
7.5
35
I_TS
Current Source from TS Pin
TS1
TS Hot Temperature Fault
Threshold
Hysteresis
70 80
310 330
15
TS2
TS Cold Temperature Fault
Threshold
Hysteresis
2.2 2.3
10
I_DATA DATA Pin Sink Current
DATA Pin is Active Low State 3
I_ADPP# ADPP# Current Sink Capability
ADPP# Pin is Active Low State
8
V_DATA(H)
V_DATA)(L)
SQ_PULSE
t_PERIOD
f_DATA
T_REG
T_{LOOP_IN}
T_{LOOP_OUT}
T_OVSD
Input High Threshold
Input Low Threshold
Status Request Pulse Width
System Clock Period
Data Output Frequency
Thermal Loop Regulation
Thermal Loop Entering Threshold
Thermal Loop Exiting Threshold
Over-Temperature Shutdown Threshold
Status Request
1.6
200
50
20
90
110
85
145
Max Units
V
0.4
V
V
0.4
V
10 µA
0.4
V
Minute
Hour
Hour
0.4
V
mA
V
%
%
90 µA
350 _mV
2.4
V
mV
mA
mA
V
0.4
V
ns
µs
kHz
°C
°C
°C
°C
1. The AAT3686 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.
3686.2006.10.1.9
5