AAT3783_12 Datasheet, PDF (4/20 Pages) Skyworks Solutions Inc. – 1-A Linear Li-Ion/Polymer Battery Charger with 28V Over-Voltage Protection

DATA SHEET
AAT3783
1-A Linear Li-Ion/Polymer Battery Charger with 28V Over-Voltage Protection
Electrical Characteristics¹
V_IN = 5V, T_A = -40°C to +85°C; unless otherwise noted, typical values are at T_A = 25°C.
Symbol Description
Operation
V_{IN_MAX} Input Over-Voltage Protection Range
V_IN
Normal Operating Input Voltage Range
Over-Voltage Protection
V_UVLO
Under-Voltage Lockout Threshold
UVLO Hysteresis
I_Q
Operating Quiescent Current
I_SD(OFF) Shutdown Supply Current
V_OVPT
Over-Voltage Protection Trip Voltage
Battery Charger
V_UVLO
Under-Voltage Lockout Threshold
UVLO Hysteresis
V_{ADPP_TH}
Adapter Present Indicator Threshold
Voltage, V_IN - V_BAT
I_OP
Operating Current
I_SHUTDOWN Shutdown Mode Current
I_BAT
Leakage Current from BAT Pin
Voltage Regulation
V_{BAT_EOC}
V_CH/V_CH
V_MIN
Output Charge Voltage Regulation
Output Charge Voltage Tolerance
Preconditioning Voltage Threshold
V_RCH
Battery Recharge Voltage Threshold
Current Regulation
I_{CC_RANGE} Charge Current Programmable Range
I_{CH_CC}
Constant-Current Mode Charge Current
V_ISET
ISET Pin Voltage
KI_SET
Charge Current Set Factor: I_{CH_CC}/I_ISET
V_TERM
TERM Pin Voltage
I_{CH_TRK} Trickle Charge Current
I_{CH_TERM} Charge Termination Threshold Current
Battery Charging Device
R_DS(ON) Total ON Resistance (IN to BAT)
Conditions
Min Typ Max Units
28
V
4.0
7.5
V
Rising Edge
V_IN = 5V, ENOVP = 0V, I_OUT = 0,
ENCHG = 0V
ENOVP = V_IN = 5.5V, V_OUT = 0V,
ENCHG = 0V
Rising Edge, OVP = Not Connected
3
V
60
mV
30
50
μA
4
8
μA
6.5
V
Rising Edge
3
V_IN > V_UVLO
Charge Current = 100mA,
ENOVP = 0V, ENCHG = V_IN
V_BAT = 4.25V, ENOVP = ENCHG = 0V²
V_BAT = 4V, ENOVP = V_IN
4
V
150
mV
60
150 mV
0.5
1
mA
0.4
1
μA
0.4
2
μA
4.158 4.20 4.242 V
0.5
%
(Option available for no trickle charge) 2.5
2.6
2.7
V
V_{BAT_EOC} -
0.1
V
V_BAT = 3.6V
Constant Current Mode, V_BAT = 3.6V
R_TERM = 13.3k
TERM Pin Open
R_TERM = 13.3 k, I_{CH_CC}  800mA
V_IN = 5V, I_OUT = 1A
100
-10
5
5
8
2
800
0.2
10
10
10
550
1000 mA
10
%
V
V
15
%
I_{CH_CC}
15
%
I_{CH_CC}
12
%
m
1. The AAT3783 is guaranteed to meet performance specifications over the -40°C to +85°C operating temperature range and is assured by design, characterization and correla-
tion with statistical process controls.
2. Current into charge.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
4
201903B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 27, 2012