AAT3690 Datasheet, PDF (4/20 Pages) Advanced Analogic Technologies – 1.0A USB Port/Adapter Lithium-Ion/Polymer Battery Charger

AAT3690
1.0A USB Port/Adapter
Lithium-Ion/Polymer Battery Charger
Electrical Characteristics¹
V_ADP = 5V, T_A = -40°C to +85°C, unless otherwise noted. Typical values are at T_A = 25°C.
Symbol Description
Conditions
Min
Typ
Max Units
Operation
USB, ADP USB Port or Adapter Voltage Range
4.0
5.5 V
ADP Voltage Level to Disable
V_{U_DSBL USB Charging}
4.25
4.5
4.7 V
V_UVLO
Under-Voltage Lockout
Under-Voltage Lockout Hysteresis
Rising Edge
3.0
V
150
mV
I_OP
I_SLEEP
I_Leakage
Operating Current
Sleep Mode Current
Reverse Leakage Current from
BAT Pin
CC Charge Current = 500mA
V_BAT = 4.25V
V_BAT = 4V, USB,
ADP Pins Open
0.75
1.5 mA
2.0
5.0 μA
1.0
μA
Voltage Regulation
V_{BAT_EOC}¹ End of Charge Voltage Accuracy
ΔV_BAT/V_BAT EOC Voltage Tolerance
V_RCH Battery Recharge Voltage Threshold
V_{USB_CHR} USB Charge Reduction Regulation
Current Regulation
4.158
4.2
4.242 V
0.5
%
V_{BAT_EOC} - 0.1
V
4.3
4.5
4.64 V
I_CH
Charge Current
ADP Input
100
1000 _mA
USB Input
50
1000
ΔI_CH/I_CH Charge Current Regulation Tolerance
V_ADPSET ADPSET Pin Voltage
In CC Mode
V_USBSET USBSET Pin Voltage
In CC Mode
K_IADP
Current Set Factor: I_CHARGE/I_ADPSET
K_IUSB
Current Set Factor: I_CHARGE/I_USBSET
Charging Devices
10
%
2.0
V
2.0
V
4000
2000
Adapter Charging Transistor
R_{DS(ON)A On Resistance}
V_IN = 5.5V
0.2
0.25
0.35 Ω
USB Charging Transistor
R_{DS(ON)U On Resistance}
V_IN = 5.5V
0.4
0.5
0.65 Ω
1. The AAT3690 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
3690.2007.01.1.2