201882C • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • February 7, 2013
DATA SHEET
AAT3681
USB Port or AC Adapter Li-Ion/Polymer Battery Charger
AAT3681 Feature Options
Product
AAT3681
AAT3681-1
Trickle Charge
Yes
No
Absolute Maximum Ratings
1
Symbol
V
P
V
N
T
J
T
LEAD
Description
ADP Continuous
BAT, STAT, ISET, EN
Operating Junction Temperature Range
Maximum Soldering Temperature (at Leads)
Value
-0.3 to 8.0
-0.3 to V
P
+ 0.3
-40 to 150
300
Units
V
°C
Thermal Information
2
Symbol
P
D
JA
Description
Maximum Power Dissipation
Maximum Thermal Resistance
Value
0.687
160
Units
W
°C/W
1. Stresses above those listed in Absolute Maximum Ratings may cause permanent damage to the device. Functional operation at conditions other than the operating conditions
specified is not implied. Only one Absolute Maximum Rating should be applied at any one time.
201882C • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • February 7, 2013
3
DATA SHEET
AAT3681
USB Port or AC Adapter Li-Ion/Polymer Battery Charger
Electrical Characteristics
1
V
ADP
= 5V, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are T
A
= 25°C.
Symbol
Operation
V
ADP
V
UVLO
Description
Conditions
Min
4.0
3
Typ
Max
7.5
4
Units
V
mV
mA
μA
V
%
V
mA
%
V
Adapter Voltage Range
Under-Voltage Lockout (UVLO)
UVLO Hysteresis
Operating Current
I
OP
Shutdown Current
I
SHUTDOWN
Reverse Leakage Current from BAT Pin
I
LEAKAGE
Voltage Regulation
End of Charge Accuracy
V
BAT_EOC
V
CH
/V
CH
Output Charge Voltage Tolerance
Preconditioning Voltage Threshold
V
MIN
V
RCH
Battery Recharge Voltage Threshold
Current Regulation
Charge Current Programmable Range
I
CH
I
CH
/I
CH
Charge Current Regulation Tolerance
ISET Pin Voltage
V
SET
K
I_A
Current Set Factor: I
CH
/I
SET
Charging Devices
Charging Transistor On-Resistance
R
DS(ON)
Logic Control/Protection
Input High Threshold
V
EN(H)
V
EN(L)
Input Low Threshold
Output Low Voltage
V
STAT
STAT Pin Current Sink Capability
I
STAT
V
OVP
Over-Voltage Protection Threshold
Pre-Charge Current
I
TK
/I
CH
I
TERM
/I
CH
Charge Termination Threshold Current
Rising Edge
Charge Current = 200mA
V
BAT
= 4.25V, EN = GND
V
BAT
= 4V, ADP Pin Open
150
0.5
0.3
0.4
4.158
4.20
0.5
3.0
-0.1
1
1
2
4.242
3.15
AAT3681 Only
Measured from V
BAT_EOC
2.85
15
10
2
800
V
ADP
= 5.5V
1.6
STAT Pin Sinks 4mA
4.4
10
10
0.9
300
1.1
0.4
0.4
8
V
mA
V
%
I
CH
= 100mA; AAT3681 Only
1. The AAT3681 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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