AAT3681AIJS-4.2-2-T1 ANALOGICTECH [Advanced Analogic Technologies], AAT3681AIJS-4.2-2-T1 Datasheet - Page 4

• Manufacturer Part Number: AAT3681AIJS-4.2-2-T1
• Description: 500mA USB Port or AC Adapter Lithium-Ion/Polymer Battery Charger
• Manufacturer: ANALOGICTECH [Advanced Analogic Technologies]

Electrical Characteristics
V
1. The AAT3681A output charge voltage is specified over the 0° to 70°C ambient temperature range; operation over the -25°C to +85°C
2. Achievable charge current may be limited by power dissipation capability of the package under certain operating conditions. See
4
Operation
Voltage Regulation
Current Regulation
Charging Devices
Logic Control/Protection
ADP
I
ΔV
Symbol
SHUTDOWN
V
I
temperature range is guaranteed by design.
“Thermal Considerations” section of this datasheet.
I
TERM
ΔI
R
LEAKAGE
I
V
V
BAT _ EOC
V
V
V
V
V
TK
V
V
I
CH
K
DS(ON)
CH
STAT
UVLO
I
I
EN(H)
EN(L)
STAT
RCH
OVP
= 5V, T
ADP
OP
CH
SET
MIN
/I
I _ A
/V
/I
CH
/I
CH
CH
CH
A
Description
Adapter Voltage Range
Under-Voltage Lockout (UVLO)
UVLO Hysteresis
Operating Current
Shutdown Current
Reverse Leakage Current from BAT Pin
End of Charge Accuracy
Output Charge Voltage Tolerance
Preconditioning Voltage Threshold
Battery Recharge Voltage Threshold
Charge Current Programmable Range
Charge Current Regulation Tolerance
ISET Pin Voltage
Current Set Factor: I
Charging Transistor On Resistance
Input High Threshold
Input Low Threshold
Output Low Voltage
STAT Pin Current Sink Capability
Over-Voltage Protection Threshold
Pre-Charge Current
Charge Termination Threshold Current
= -25°C to +85°C, unless otherwise noted. Typical values are T
CH
/I
SET
1
2
Conditions
Rising Edge
Charge Current = 200mA
V
(AAT3681A, AAT3681A-1)
V
(AAT3681A-2, AAT3681A-3)
V
AAT3681A, AAT3681A-2,
and AAT3681A-3 Only
Measured from V
AAT3681A, AAT3681A-1,
and AAT3681A-2 Only
V
STAT Pin Sinks 4mA
I
AAT3681A-2, and
AAT3681A-3 Only
AAT3681A, AAT3681A-1, and
AAT3681A-2 Only
CH
BAT
BAT
BAT
ADP
Lithium-Ion/Polymer Battery Charger
= 100mA; AAT3681A,
= 4.25V, V
= 4.25V, V
= 4V, ADP Pin Open
= 5.5V
500mA USB Port or AC Adapter
EN
EN
BAT _ EOC
= GND
= 5V
A
= 25°C.
4.158
Min
2.85
4.0
1.6
15
3
AAT3681A
Typ
4.20
-0.1
150
800
0.5
0.3
0.4
0.5
3.0
0.6
4.4
10
10
10
2
3681A.2007.10.1.2
4.242
Max Units
3.15
500
7.5
0.4
0.4
4
1
1
2
1
8
mV
mA
mA
mA
µA
µA
%
%
%
%
Ω
V
V
V
V
V
V
V
V
V
V