AAT3681-1 ANALOGICTECH [Advanced Analogic Technologies], AAT3681-1 Datasheet - Page 4

• Manufacturer Part Number: AAT3681-1
• Description: USB Port or AC Adapter Lithium-Ion/Polymer Battery Charger
• Manufacturer: ANALOGICTECH [Advanced Analogic Technologies]

Electrical Characteristics
V
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
4
4
BatteryManager
BatteryManager
ADP
Operation
Voltage Regulation
Current Regulation
Charging Devices
Logic Control/Protection
design.
Symbol
ΔV
I
I
V
SHUTDOWN
I
ΔI
R
I
TERM
= 5V, T
LEAKAGE
V
V
V
BAT_EOC
V
TK
V
V
V
I
V
V
K
CH
DS(ON)
I
I
CH
EN(H)
UVLO
EN(L)
STAT
STAT
RCH
ADP
MIN
CH
SET
OVP
/I
OP
I_A
/V
/I
/I
CH
CH
CH
CH
A
= -40°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
TM
TM
CH
/I
USB Port or AC Adapter Lithium-Ion/Polymer Battery Charger
USB Port or AC Adapter Lithium-Ion/Polymer Battery Charger
SET
1
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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
A
= 25°C.
4.158
PRODUCT DATASHEET
PRODUCT DATASHEET
2.85
Min
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
AAT3681
AAT3681
4.242
Max
3.15
300
7.5
1.1
0.4
0.4
4
1
1
2
8
3681.2007.12.1.5
3681.2007.12.1.5
Units
mV
mA
mA
mA
μA
μA
%
%
%
%
V
V
V
V
V
V
Ω
V
V
V
V