AAT3673 Datasheet, PDF (4/28 Pages) Skyworks Solutions Inc. – 1.6A Dynamic Battery Charger and Power Manager

DATA SHEET
AAT3673
1.6A Dynamic Battery Charger and Power Manager
Electrical Characteristics
V_ADP = 5V, T_A = -25°C to +85°C; unless otherwise noted, typical values are T_A = 25°C.
Symbol
Operation
V_OVP
V_ADP
V_BAT
Description
Input Over Voltage Protection Range
AC Adapter / USB Operating Voltage Range
Battery Operating Voltage Range
V_OUT
ADP to OUT Voltage Regulation
V_DO
V_{UVLO_ADP}
ADP to OUT Regulator Dropout¹
ADP Under-Voltage Lockout
V_{UVLO_BAT}
I_{ADP_OP}
I_{ADP_SHDN}
I_{BAT_OP}
BAT Under-Voltage Lockout
ADP Normal Operating Current
ADP Shutdown Mode Current
(OVP is Still Active)
Battery Operating Current
I_{BAT_SLP}
Battery Sleep Current
I_{BAT_SHDN}
Leakage Current from BAT Pin
Over-Voltage Protection
V_OVPT
Over-Voltage Protection Trip Voltage
V_{DO_OVP}
Dropout Voltage Between ADP and BYP Pins
T_RESPOV
Over-Voltage Protection Response Time
Options -1, -2, -3
T_{OVPON_130μs} OVP Switch Release Delay Time
T_{OVPSTARTON_130μs} OVP Switch Start Up Delay Time
Options -4, -5, -6
T_{OVPON_80ms} OVP Switch Release Delay Time
T_{OVPSTARTON_80ms} OVP Switch Start Up Delay Time
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
V_RCH
Battery Recharge Voltage Threshold
V_{CHR_TH}
V_{CHR_REG}
Default ADP Charge Reduction Threshold
CHRADP Pin Voltage Accuracy
Conditions
V_ADP = 5V, I_OUT = 100mA, T_A = 25°C
V_ADP = 4.8V to 6.5V, I_OUT = 0mA to
400mA, T_A = -25°C to +85°C
I_OUT = 400mA
Rising Edge
Hysteresis
Rising Edge
Hysteresis
V_ADP = 5V, V_EN = 0V, I_CC = 1A
V_ADP = 5V, V_EN = 5V, V_ENBAT = 5V,
No Load
V_BAT = V_CO(REG), V_ADP = V_ENBAT = GND
No Load
V_BAT = V_CO(REG), V_ADP = 5V,
V_EN = V_ENBAT = 5V
V_BAT = V_CO(REG), V_ENBAT = V_ADP = 5V
V_ADP Rising Edge
Hysteresis
V_ADP = 5V, I_ADP = 500mA
Step up V_ADP from 6V to 8V
V_ADP voltage step down from 8V to
6V, R_LOAD = 100Ω, C_BYP = 1μF
V_ADP voltage step up from 0V to
5V, R_LOAD = 100Ω, C_BYP = 1μF
V_ADP voltage step down from 8V to
6V, R_LOAD = 100Ω, C_BYP = 1μF
V_ADP voltage step up from 0V to
5V, R_LOAD = 100Ω, C_BYP = 1μF
V_ADP = 5.0V
V_BAT = 4.1V
V_ADP = 5.0V
CHRADP Open; Reduce Charge
Current When ADP is Below V_{CHR_TH}
V_ADP = 4.5V
Min
4.0
3.0
4.33
4.26
2.8
6.5
4.158
2.8
V_CO(REG)
- 0.17
1.9
Typ
4.40
4.4
150
3.1
0.1
2.9
0.1
0.8
100
5
6.75
100
100
0.5
130
150
80
80
600
60
600
4.20
2.9
V_CO(REG)
- 0.1
4.5
2.0
Max
28
6.5
V_CO(REG)
4.47
4.54
250
3.9
3.0
1.6
360
250
10
2
7.0
200
4.242
3.0
V_CO(REG)
- 0.05
2.1
Units
V
mV
V
mA
μA
V
mV
μs
μs
ms
mΩ
V
1. VDO is defined as VADP - VOUT when VOUT is 98% of normal.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
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201881B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 25, 2012