AAT3681 AAT, AAT3681 Datasheet - Page 4

• Manufacturer Part Number: AAT3681
• Description: USB Port or AC Adapter Lithium-Ion/Polymer Battery Charger
• Manufacturer: AAT

Electrical Characteristics
V
1. The AAT3681 output charge voltage is specified over the 0° to 70°C ambient temperature range; operation over the -25°C to +85°C
4
Operation
Voltage Regulation
Current Regulation
Charging Devices
Logic Control/Protection
ADP
temperature range is guaranteed by design.
I
ΔV
Symbol
SHUTDOWN
V
I
I
TERM
ΔI
R
LEAKAGE
V
I
V
BAT _ EOC
V
V
V
V
V
TK
V
V
I
K
DS(ON)
CH
= 5V, T
CH
STAT
UVLO
I
I
EN(H)
EN(L)
STAT
RCH
OVP
ADP
OP
CH
SET
MIN
I _ A
/I
/V
/I
CH
/I
CH
CH
CH
A
= -25°C to +85°C, unless otherwise noted. Typical values are T
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
CH
/I
SET
1
Lithium-Ion/Polymer Battery Charger
Conditions
Rising Edge
Charge Current = 200mA
V
V
AAT3681 Only
Measured from V
V
STAT Pin Sinks 4mA
I
CH
BAT
BAT
ADP
= 100mA; AAT3681 Only
= 4.25V, EN = GND
= 4V, ADP Pin Open
= 5.5V
BAT _ EOC
USB Port or AC Adapter
A
= 25°C.
4.158
Min
2.85
4.0
1.6
15
3
Typ
4.20
-0.1
150
800
0.5
0.3
0.4
0.5
3.0
0.9
4.4
10
10
10
2
4.242
Max Units
3.15
300
3681.2007.01.1.2
6.5
1.1
0.4
0.4
4
1
1
2
8
mV
mA
mA
mA
µA
µA
%
%
%
%
Ω
V
V
V
V
V
V
V
V
V
V