AAT3672 Datasheet, PDF (4/27 Pages) Skyworks Solutions Inc. – 1.6A Dynamic Battery Charger and Power Manager

DATA SHEET
AAT3672
1.6A Dynamic Battery Charger and Power Manager
Electrical Characteristics¹
V_ADP = 5V, T_A = -25°C to +85°C; unless otherwise noted, typical values are T_A = 25°C.
Symbol Description
Conditions
Operation
V_ADP
AC Adapter Operating Voltage Range
V_BAT
Battery Operating Voltage Range
V_{UVLO_ADP} ADP Under-Voltage Lockout
V_{UVLO_BAT} BAT Under-Voltage Lockout
I_{ADP_OP} ADP Normal Operating Current
I_{ADP_SHDN1/2} ADP Shutdown Mode Current for AAT3672-1/-2
I_{ADP_SHDN3} ADP Shutdown Mode Current for AAT3673-3
I_{BAT_OP} Battery Operating Current
I_{BAT_SLP} Battery Sleep Current
I_{BAT_SHDN} Leakage Current from BAT Pin
Power Switches
R_{DS(ON)_SWA} ADP-to-OUT FET On Resistance
R_{DS(ON)_SWB} BAT-to-OUT FET On Resistance
R_{DS(ON)_CHA} ADP Battery Charging FET On Resistance
Battery Charge Voltage Regulation
V_CO(REG)
V_MIN
Output Charge Voltage Regulation
Preconditioning Voltage Threshold
Rising Edge
Hysteresis
Rising Edge
Hysteresis
V_ADP = V_EN = 5V, I_CC = 1A
V_ADP = 5V, V_EN = 0V, V_ENBAT = 0V,
No Load
V_ADP = V_EN1 = V_EN2 = 5V, V_ENO =
0V, V_ENBAT = 0V
V_BAT = V_CO(REG), V_ADP = GND,
V_USB = GND, V_ENBAT = 5V, No Load
V_BAT = V_CO(REG), V_ADP = 5V,
V_EN = V_ENBAT = 5V
V_BAT = V_CO(REG), V_ENBAT = 0V
V_ADP = 5.0V
V_BAT = 4.1V
V_ADP = 5.0V
V_RCH
Battery Recharge Voltage Threshold
V_{CHR_TH} Default ADP Charge Reduction Threshold
V_{CHR_REG} CHRADP and CHRUSB Pin Voltage Accuracy
Current Regulation
I_{LIM_ADP} ADP Current Limit (Fixed)
I_{LIM_BAT} BAT_OUT Current Limit (Fixed)
CHRADP Open; Reduce Charge
Current When ADP is Below
V_{CHR_TH}
I_{CH_CC_ADP} ADP Charge Constant Current Charge Range
ΔI_{CH_CC}/
I_{CH_CC}
Constant Current Charge Current
Regulation Tolerance
I_{CH_CC_ADP} = 1A
I_{CH_TKL_ADP} ADP Charge Trickle Charge
V_ADPSET
V_TERM
ADPSET Pin Voltage Regulation
TERM Pin Voltage Regulation
K_{I_CC_ADP}
Constant Current Charge Current Set
Factor: I /I _{CH_CC_ADP ADPSET}
K_{I_TERM}
Termination Current Set Factor:
I_{CH_TERM}/I_TERM
AAT3672-3 Only
I_{CH_LO} USB Low Level Charge Current (Fixed)
I_{CH_HI} USB High Level Charge Current (Fixed)
V_EN1 = V_EN2 = 0
V_EN1 = 0; V_EN2 = 5V
Min Typ Max Units
4.0
6.5
3.0
V_CO(REG)
3.4
3.9
V
0.1
2.8
2.9
3.0
0.1
0.5
1
mA
1
5
60
120
μA
4
10
1
600
80
mΩ
600
4.158 4.20 4.242
2.8
2.9
3.0
V V V _CO(REG)
CO(REG)
CO(REG)
- 0.17 - 0.1 - 0.05
V
4.5
1.9
2.0
2.1
1.6
2.3
A
100
1600
mA
-12
12
%
10
%
I_{CH_CC_ADP}
2
V
2
29300
2000
70
85
100
mA
400
450
500
1. The AAT3672 is guaranteed to meet performance specifications over the -25°C to +85°C operating temperature range and is assured by design, characterization, and correla-
tion with statistical process controls.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
4
201880B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 25, 2012