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ETA4056 Datasheet(PDF) 3 Page - ETA SOLUTIONS CO. LIMITED

Part # ETA4056
Description  1.2A/16V Fully Integrated Linear Charger for 1 Cell Li-ion Battery
PDF  12 Pages
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Manufacturer  ETA [ETA SOLUTIONS CO. LIMITED]
Direct Link  http://www.etasolution.com
Logo ETA - ETA SOLUTIONS CO. LIMITED

ETA4056 Datasheet(HTML) 3 Page - ETA SOLUTIONS CO. LIMITED

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ETA4056
www.etasolution.com
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PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Riset = 1K, Current Mode
820
920
1020
mA
Standby Mode, VBAT = 4.2V
From battery to BAT Pin
2
3
μA
Shutdown Mode, ISET Not
Connected
From battery to BAT Pin
0
0.25
0.35
μA
Sleep Mode, VIN = 0V
From battery to BAT Pin
0
0.25
0.35
μA
Trickle Charge Current
VBAT < VTRIKL, Rset = 2K
20
50
110
mA
Trickle Charge Threshold Voltage
VBAT Rising
2.75
2.93
3.1
V
Trickle Charge Hysteresis Voltage
100
130
165
mV
VIN Under-voltage Lockout
Threshold
From VIN Low to High
3.05
3.35
3.6
V
VIN Under-voltage Lockout
Hysteresis
0.4
0.55
0.65
V
EN Pull-Up Current
0.5
1
μA
Enable Charger
EN Pin Rising
1.6
V
Disable Charger
EN Pin Falling
0.6
V
VIN–VBAT Lockout Threshold
Voltage
VIN from Low to High
50
100
140
mV
VIN from High to Low
5
30
mV
C/10 Termination Current Threshold
0.085
0.1
0.115
mA/mA
ISET Pin Voltage
Current Mode, VBAT=4V
1
V
STAT/STDBY Pin Weak Pull-Down
Current
V_STAT = 5V
0.1
μA
STAT/STDBY Pin Output Low
Voltage
I_STAT or I_STDBY= 5mA
0.35
0.6
V
Recharge BAT Threshold Voltage
VFLOAT - VRECHRG
90
120
150
mV
Junction Temperature in Constant
Temperature Mode
120
°C
Power FET “ON” Resistance
(Between VCC and BAT)
0.5
ohm
Soft-Start Time
IBAT=0 to IBAT=1000V/RSET
100
μs
Termination Comparator Filter Time
IBAT Falling Below ICHG/10
400
1000
2500
μs
ISET Pin Pull-Up Current
1
μA
NTC Threshold, Cold
Charger Suspended
77
80
81
% VIN
NTC Threshold, Hot
Charger Suspended
43
45
46.5
% VIN
NTC Threshold Hysteresis
2
% VIN
NTC Disable Threshold
Tie NTC to GND
NTC Input Leakage
0
1
μA



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