AAT3689 Ver la hoja de datos (PDF) - Advanced Analogic Technologies
Número de pieza
componentes Descripción
Fabricante
AAT3689 Datasheet PDF : 20 Pages
| |||
AAT3689
0.5A/1.0A USB Port/Adapter
Lithium-Ion/Polymer Battery Charger
Electrical Characteristics1
VADP = 5V, TA = -25°C to +85°C, unless otherwise noted. Typical values are TA = 25°C.
Symbol Description
Conditions
Min
Typ
Max Units
Operation
USB Port or Adapter Voltage
VUSB, VADP Range
4.0
5.5 V
ADP Voltage Level to Disable
VU_DSBL USB Charging
4.25
4.5
4.7 V
VUVLO
Under-Voltage Lockout
Rising Edge
Under-Voltage Lockout Hysteresis
3.0
V
150
mV
IOP
ISLEEP
ILeakage
Operating Current
Sleep Mode Current
Reverse Leakage Current from
BAT Pin
CC Charge Current = 500mA
VADP = 5V, USB = EN = GND
VUSB = 5V, ADP = EN = GND
VBAT = 4V, USB,
ADP Pins Open
0.75
1.5 mA
0.3
1
μA
12
1.0
μA
Voltage Regulation
VBAT_EOC1
ΔVBAT/VBAT
VMIN
VRCH
End of Charge Voltage Accuracy
EOC Voltage Tolerance
Preconditioning Voltage Threshold
Battery Recharge Voltage
Threshold
4.158
4.2
4.242 V
0.5
%
2.8
3.0
3.15 V
VBAT_EOC - 0.1
V
Current Regulation
ICH
ΔICH/ICH
Charge Current
Charge Current Regulation
Tolerance
100
1000 mA
10
%
VADPSET ADPSET Pin Voltage
In CC Mode
VUSBSET USBSET Pin Voltage
In CC Mode
KIADP
Current Set Factor: ICHARGE/IADPSET
KIUSB
Current Set Factor: ICHARGE/IUSBSET
Charging Devices
2.0
V
2.0
V
4000
2000
Adapter Charging Transistor
RDS(ON)A On Resistance
VIN = 5.5V
0.2
0.25
0.35 Ω
USB Charging Transistor
RDS(ON)U On Resistance
VIN = 5.5V
0.4
0.5
0.65 Ω
1. The AAT3689 output charge voltage is specified over the 0° to 70°C ambient temperature range; operation over the -25°C to +85°C
temperature range is guaranteed by design.
4
3689.2006.11.1.0
Share Link: 