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LTC4156IUFD View Datasheet(PDF) - Linear Technology

Part Name
Description
MFG CO.
'LTC4156IUFD' PDF : 52 Pages View PDF
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LTC4156
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the specified operating
junction temperature range, otherwise specifications are at TA TJ = 25°C (Note 2). VBUS = 5V, BATSNS = 3.3V, DVCC = 3.3V,
RCLPROG1 = RCLPROG2 = 1.21k, RPROG = 499Ω, unless otherwise noted.
SYMBOL PARAMETER
CONDITIONS
MIN
TYP MAX
UNITS
Switching Battery Charger
VBUS
Input Supply Voltage
l 4.35
5.5
V
VBUSREG
Undervoltage Current Reduction Input Undervoltage Current Limit Enabled
4.30
V
IVBUSQ
Input Quiescent Current
USB Suspend Mode
0.060
mA
100mA IVBUS Mode, IVOUT = 0µA, Charger Off
0.560
mA
500mA – 3A IVBUS Modes, IVOUT = 0µA, Charger Off
17
mA
CLPROG1 Mode, IVOUT = 0µA, Charger Off
17
mA
IBATQ
Battery Drain Current
VBUS > VUVLO, Battery Charger Off, IVOUT = 0µA
VBUS = 0V, IVOUT = 0µA
Storage and Shipment Mode, DVCC = 0V
7.0
µA
2.0
3.0
µA
0.6
1.25
µA
IVBUSLIM
Total Input Current When Load
100mA IVBUS Mode (USB Lo Power) (Default)
l 65
80
100
mA
Exceeds Power Limit
500mA IVBUS Mode (USB Hi Power)
l 460
480
500
mA
600mA IVBUS Mode
550
570
600
mA
700mA IVBUS Mode
650
670
700
mA
800mA IVBUS Mode
745
770
800
mA
900mA IVBUS Mode (USB 3.0)
l 800
850
900
mA
1.00A IVBUS Mode
950 1000 1025
mA
1.25A IVBUS Mode
1150 1230 1300
mA
1.50A IVBUS Mode
1425 1500 1575
mA
1.75A IVBUS Mode
1650 1750 1875
mA
2.00A IVBUS Mode
1900 2000 2125
mA
2.25A IVBUS Mode
2050 2175 2300
mA
2.50A IVBUS Mode
2350 2475 2600
mA
2.75A IVBUS Mode
2550 2725 2900
mA
3.00A IVBUS Mode (Default)
2800 2950 3100
mA
2.5mA IVBUS Mode (USB Suspend)
1.8
2.5
mA
VFLOAT
BATSNS Regulated Output Voltage
Selected by I2C Control.
Switching Modes
3.45V Setting (Default)
3.55V Setting
3.60V Setting
3.80V Setting
l 3.42 3.45 3.48
V
l 3.52 3.55 3.58
V
l 3.57 3.60 3.63
V
l 3.77 3.80 3.83
V
ICHARGE
Regulated Battery Charge Current
Selected by I2C Control
12.50% Charge Current Mode
18.75% Charge Current Mode
25.00% Charge Current Mode
31.25% Charge Current Mode
37.50% Charge Current Mode
43.75% Charge Current Mode
50.00% Charge Current Mode
56.25% Charge Current Mode
62.50% Charge Current Mode
68.75% Charge Current Mode
75.00% Charge Current Mode
81.25% Charge Current Mode
87.50% Charge Current Mode
93.75% Charge Current Mode
100.0% Charge Current Mode (Default)
290
315
340
mA
430
465
500
mA
590
620
650
mA
730
770
810
mA
880
925
970
mA
1025 1075 1125
mA
1180 1230 1280
mA
1330 1385 1440
mA
1485 1535 1585
mA
1635 1685 1735
mA
1780 1835 1890
mA
1915 1980 2045
mA
2065 2130 2195
mA
2210 2280 2350
mA
2350 2430 2500
mA
ICHARGE(MAX) Regulated Battery Charge Current 100.0% Charge Current Mode, RPROG = 340Ω
3.44 3.57 3.70
A
VOUT
PowerPath Regulated Output
Suspend Mode, IVOUT = 1mA
Voltage (VBUS Power Available) Battery Charger Enabled, Charging, BATSNS ≥ 3.19V
Battery Charger Terminated or Battery Charger
Disabled
4.35
4.5
V
BATSNS
V
4.35
4.5
V
VOUT(MIN) Low Battery Instant-On Output
Battery Charger Enabled, Charging, BATSNS ≤ 3.0V
3.10 3.19
V
Voltage (VBUS Power Available)
4156f
4
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