参数资料
型号: LTC4155IUFD#TRPBF
厂商: Linear Technology
文件页数: 4/52页
文件大小: 0K
描述: IC I2C POWER MANAGER DUAL 28QFN
标准包装: 2,500
系列: PowerPath™
功能: 充电管理,电源管理
电池化学: 锂离子(Li-Ion)、锂聚合物(Li-Pol)
电源电压: 4.35 V ~ 5.5 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 28-WFQFN 裸露焊盘
供应商设备封装: 28-QFN(4x5)
包装: 带卷 (TR)
LTC4155
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the specified operating
junction temperature range, otherwise specifications are at T A ≈ T J = 25°C (Note 2). V BUS = 5V, BATSNS = 3.7V, DVCC = 3.3V,
R CLPROG1 = R CLPROG2 = 1.21k, R PROG = 499Ω, unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Switching Battery Charger
V BUS
V BUSREG
I VBUSQ
Input Supply Voltage
Undervoltage Current Reduction
Input Quiescent Current
Input Undervoltage Current Limit Enabled
USB Suspend Mode
l
4.35
4.30
0.060
5.5
V
V
mA
100mA I VBUS Mode, I VOUT = 0μA, Charger Off
500mA – 3A I VBUS Modes, I VOUT = 0μA, Charger Off
0.560
17
mA
mA
I BATQ
Battery Drain Current
V BUS > V UVLO , Battery Charger Off, I VOUT = 0μA
V BUS = 0V, I VOUT = 0μA
Storage and Shipment Mode, DVCC = 0V
7.0
2.0
0.6
3.0
1.25
μA
μA
μA
I VBUSLIM
Total Input Current When Load
Exceeds Power Limit
100mA I VBUS Mode (USB Lo Power) (Default)
500mA I VBUS Mode (USB Hi Power)
l
l
65
460
80
480
100
500
mA
mA
600mA I VBUS Mode
700mA I VBUS Mode
550
650
570
670
600
700
mA
mA
800mA I VBUS Mode
900mA I VBUS Mode (USB 3.0)
1.00A I VBUS Mode
1.25A I VBUS Mode
1.50A I VBUS Mode
1.75A I VBUS Mode
2.00A I VBUS Mode
2.25A I VBUS Mode
2.50A I VBUS Mode
2.75A I VBUS Mode
3.00A I VBUS Mode (Default)
2.5mA I VBUS Mode (USB Suspend)
l
745
800
950
1150
1425
1650
1900
2050
2350
2550
2800
770
850
1000
1230
1500
1750
2000
2175
2475
2725
2950
1.8
800
900
1025
1300
1575
1875
2125
2300
2600
2900
3100
2.5
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
V FLOAT
I CHARGE
BATSNS Regulated Output Voltage
Selected by I 2 C Control.
Switching Modes
Regulated Battery Charge Current
Selected by I 2 C Control
4.05V Setting (Default)
4.10V Setting
4.15V Setting
4.20V Setting
12.50% Charge Current Mode
18.75% Charge Current Mode
l
l
l
l
4.02
4.07
4.12
4.17
290
430
4.05
4.10
4.15
4.20
315
465
4.08
4.13
4.18
4.23
340
500
V
V
V
V
mA
mA
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)
590
730
880
1025
1180
1330
1485
1635
1780
1915
2065
2210
2350
620
770
925
1075
1230
1385
1535
1685
1835
1980
2130
2280
2430
650
810
970
1125
1280
1440
1585
1735
1890
2045
2195
2350
2500
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
I CHARGE(MAX)
V OUT
Regulated Battery Charge Current
PowerPath Regulated Output
100.0% Charge Current Mode, R PROG = 340Ω
Suspend Mode, I VOUT = 1mA
3.44
3.57
4.35
3.70
4.5
A
V
Voltage (V BUS Power Available)
Battery Charger Enabled, Charging, BATSNS ≥ 3.5V
BATSNS
V
Battery Charger Terminated or Battery Charger
4.35
4.5
V
Disabled
V OUT(MIN)
Low Battery Instant-On Output
Battery Charger Enabled, Charging, BATSNS ≤ 3.3V
3.40
3.50
V
Voltage (V BUS Power Available)
4155fc
4
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