AAT3685IWP-4.2-1-T1 Advanced Analog Technology, Inc., AAT3685IWP-4.2-1-T1 Datasheet - Page 4

• Manufacturer Part Number: AAT3685IWP-4.2-1-T1
• Description: Lithium-Ion/Polymer Battery Charger
• Manufacturer: Advanced Analog Technology, Inc.

Electrical Characteristics
V
1. The AAT3685 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
V
Current Regulation
Charging Devices
ADP
ΔV
ADP/USB
temperature range is guaranteed by design.
V
Symbol
ADP/USB _ CHR
R
ΔI
I
BAT _ EOC
V
I
V
Leakage
V
BAT
DS(ON)U
V
V
SLEEP
V
K
K
CH
UVLO
I
I
SETH
= 5V, T
SETL
RCH
CHR
OP
CH
MIN
IUH
IUL
/V
/I
CH
BAT
1
A
Description
Input Voltage Range
Under-Voltage Lockout
Under-Voltage Lockout Hysteresis
Operating Current
Sleep Mode Current
Reverse Leakage Current from
BAT Pin
End of Charge Voltage Accuracy
EOC Voltage Tolerance
Preconditioning Voltage Threshold
Battery Recharge Voltage Threshold
Charge Reduction Regulation
CHR Pin Voltage Accuracy
Charge Current
Charge Current Regulation
Tolerance
SETH Pin Voltage
SETL Pin Voltage
Current Set Factor: I
Current Set Factor: I
Charging MOSFET Transistor
On Resistance
= -25°C to +85°C, unless otherwise noted. Typical values are at T
CHARGE
CHARGE
1
/I
/I
SETH
SETL
Conditions
Rising Edge
CC Charge Current = 500mA
AAT3685: V
AAT3685-1: V
V
Open
No Connection on CHR Pin
CC Mode
CC Mode
V
BAT
IN
= 5.5V
= 4V, ADP/USB Pin
Lithium-Ion/Polymer Battery Charger
BAT
BAT
= 4.25V
= 4.25V
4.158
Min
4.0
2.8
4.3
1.9
0.4
50
A
= 25°C.
V
BAT _ EOC
2000
2000
Typ
0.75
150
3.0
0.3
1.0
4.2
0.5
3.0
4.5
2.0
2.0
2.0
0.5
10
1
- 0.1
AAT3685
4.242
3685.2006.10.1.3
1000
Max Units
4.64
3.15
0.65
5.5
1.5
1.0
2.1
3
mV
mA
mA
μA
μA
%
%
Ω
V
V
V
V
V
V
V
V
V