AAT3686
USB Port/AC Adapter
Lithium-Ion/Polymer Battery Charger
Electrical Characteristics1
VADP = 5V, TA = -25°C to +85°C, unless otherwise noted. Typical values are at TA = 25°C.
Symbol Description
Conditions
Min Typ Max Units
Logic Control / Protection
VUSBSEL(H) Input High Threshold
VUSBSEL(L) Input Low Threshold
1.6
1.6
V
0.4
V
V
VEN(H)
VEN(L)
IEN(H)
VADPP#
TP
Input High Threshold
Input Low Threshold
EN Input Current
0.4
10
V
AAT3686-1 Only; VEN = 5V
ADPP# Pin Sinks 4mA
µA
V
Output Low Voltage
0.4
Preconditioning Time Out (ADP mode only) CCT = 100nF, V_ADP = 5.5V
25
Minute
Preconditioning and Constant Current Mode
CCT = 100nF, V_ADP = 5.5V
TC
TV
3.0
Hour
Hour
Time Out (ADP mode only)
Constant Voltage Mode Time Out
CCT = 100nF, V_ADP = 5.5V
(ADP mode only)
3.0
VSTAT
ISTAT
Output Low Voltage
STAT Pin Sinks 4mA
0.4
V
mA
V
STAT Pin Current Sink Capability
Over-Voltage Protection Threshold
8.0
4.4
10
VOVP
For Adapter or USBH Mode
For USBL Mode
ITK/ICHG
Pre-Charge Current
%
50
For Adapter or USBH Mode
For USBL Mode
7.5
35
ITERM/ICHG Charge Termination Threshold Current
%
µA
mV
ITS
Current Source from TS Pin
TS Hot Temperature Fault
70
80
90
Threshold
310 330
350
TS1
Hysteresis
15
Threshold
2.2 2.3
2.4
V
mV
mA
mA
V
TS2
TS Cold Temperature Fault
DATA Pin Sink Current
Hysteresis
10
I_DATA
DATA Pin is Active Low State
ADPP# Pin is Active Low State
3
I_ADPP# ADPP# Current Sink Capability
8
VDATA(H)
VDATA)(L)
SQPULSE
tPERIOD
fDATA
Input High Threshold
1.6
Input Low Threshold
0.4
V
Status Request Pulse Width
System Clock Period
Status Request
200
50
ns
µs
kHz
°C
°C
°C
°C
Data Output Frequency
Thermal Loop Regulation
Thermal Loop Entering Threshold
20
TREG
90
TLOOP_IN
110
85
TLOOP_OUT Thermal Loop Exiting Threshold
TOVSD Over-Temperature Shutdown Threshold
145
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
AAT [ ADVANCED ANALOG TECHNOLOGY, INC. ]
