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AAT3686_08 Datasheet, PDF (4/23 Pages) Advanced Analogic Technologies – USB Port/AC Adapter Lithium-Ion/Polymer Battery Charger
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BatteryManagerTM
PRODUCT DATASHEET
AAT3686
USB Port/AC Adapter Lithium-Ion/Polymer Battery Charger
Electrical Characteristics1
VADP = 5V, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = 25°C.
Symbol Description
Operation
USB, ADP USB Port or Adapter Voltage Range
Conditions
Min
4.0
VADPP
Adapter Present Indicator Threshold Voltage USB Present
4.25
VU_DSBL
VUVLO
IOP
ADP Voltage Level to Disable USB Charging
Under-Voltage Lockout
Under-Voltage Lockout Hysteresis
Operating Current
ISLEEP
Sleep Mode Current
ILeakage Reverse Leakage Current from BAT Pin
Voltage Regulation
V1
BAT_EOC
∆VBAT/VBAT
VMIN
End of Charge Voltage Accuracy
EOC Voltage Tolerance
Preconditioning Voltage Threshold
Rising Edge
4.25
CC Charge Current = 500mA
AAT3686, AAT3686-3: VBAT = 4.25V
AAT3686-1: VBAT = 4.25V
VBAT = 4V, USB, ADP Pins Open
4.158
2.8
VRCH
Battery Recharge Voltage Threshold
VUSB_CHR USB Charge Reduction Regulation
VCHR
CHR Pin Voltage Accuracy
Current Regulation
ICH
Charge Current
∆ICH/ICH Charge Current Regulation Tolerance
VADPSET ADPSET Pin Voltage
VUSBH
USBH Pin Voltage
VUSBL
USBL Pin Voltage
KIA
Current Set Factor: ICHARGE/IADPSET
KIUH
Current Set Factor: ICHARGE/IUSBH
KIUL
Current Set Factor: ICHARGE/IUSBL
Charging Devices
RDS(ON)A
RDS(ON)U
Adapter Charging Transistor On Resistance
USB Charging Transistor On Resistance
No Connection on CHR Pin
CC Mode
CC Mode
CC Mode
VIN = 5.5V
VIN = 5.5V
4.3
1.9
100
0.2
0.4
Typ
4.5
4.5
3.0
150
0.75
0.3
1
1.0
4.2
0.5
3.0
VBAT_EOC -
0.1
4.5
2.0
10
2.0
2.0
2.0
4000
2000
2000
0.25
0.5
Max
5.5
4.7
4.7
1.5
1.0
3
4.242
3.15
4.64
2.1
1500
0.35
0.65
Units
V
V
V
V
mV
mA
µA
µA
V
%
V
V
V
V
mA
%
V
V
V
Ω
Ω
1. The AAT3686 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.
4
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3686.2007.12.1.11
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