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参数资料
| 型号： | LTC4160EUDC-1#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 4/32页 |
| 文件大小： | 0K |
| 描述： | IC SWITCH POWER MANAGER 20-QFN |
| 标准包装： | 2,500 |
| 系列： | Bat-Track™, PowerPath™ |
| 功能： | 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 ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-WFQFN 裸露焊盘 |
| 供应商设备封装： | 20-QFN（3x4） |
| 包装： | 带卷 (TR) |
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LTC4160/LTC4160-1
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T A = 25°C (Note 2). V BUS = 5V, BAT = 3.8V, R CLPROG = 3.01k, unles s otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V PROG
V PROG_TRKL
V C/10
h PROG
PROG Pin Servo Voltage
PROG Pin Servo Voltage in Trickle Charge BAT < V TRKL
C/10 Threshold Voltage at PROG
Ratio of I BAT to PROG Pin Current
1
0.1
100
1030
V
V
mV
mA/mA
I TRKL
Trickle Charge Current
BAT < V TRKL
100
mA
V TRKL
Trickle Charge Threshold Voltage
BAT Rising
2.7
2.85
3
V
?V TRKL
Trickle Charge Hysteresis Voltage
135
mV
?V RECHRG
t TERM
t BADBAT
h C/10
Recharge Battery Threshold Voltage
Safety Timer Termination Period
Bad Battery Termination Time
End of Charge Current Ratio
Threshold Voltage Relative to V FLOAT
Timer Starts when V BAT = V FLOAT
BAT < V TRKL
(Note 7)
–75
3.9
0.4
0.085
–100
4.3
0.5
0.1
–125
5.4
0.6
0.115
mV
Hour
Hour
mA/mA
R ON_CHG
T LIM
Battery Charger Power FET
On-Resistance (Between V OUT and BAT)
Junction Temperature in Constant
Temperature Mode
0.18
110
?
°C
NTC
V COLD
Cold Temperature Fault Threshold
Voltage
Rising Threshold
Hysteresis
75
76.5
1.5
78
%NTCBIAS
%NTCBIAS
V HOT
Hot Temperature Fault Threshold Voltage Falling Threshold Hysteresis
33.4
34.9
1.8
36.4
%NTCBIAS
%NTCBIAS
V DIS
I NTC
NTC Disable Threshold Voltage
NTC Leakage Current
Falling Threshold
Hysteresis
NTC = NTCBIAS = 5V
0.7
–50
1.7
50
2.7
50
%NTCBIAS
mV
nA
Ideal Diode
V FWD
R DROPOUT
I MAX_DIODE
Forward Voltage Detection
Internal Diode On-Resistance, Dropout
Diode Current Limit
V BUS = 0V, I VOUT = 10mA
I VOUT = 10mA
I VOUT = 200mA
2
2
15
0.18
mV
mV
?
A
Always On 3.3V LDO Supply
V LDO3V3
Regulated Output Voltage
0mA < I LDO3V3 < 20mA
3.1
3.3
3.5
V
R CL_LDO3V3
R OL_LDO3V3
Closed-Loop Output Resistance
Dropout Output Resistance
2.7
23
?
?
Logic (I LIM0 , I LIM1 , ID, ENOTG, ENCHARGER )
V IL
V IH
I PD1
I PU1
Logic Low Input Voltage
Logic High Input Voltage
I LIM0 , I LIM1 , ENOTG, ENCHARGER
Pull-Down Current
ID Pull-Up Current
1.2
1.8
2.5
0.4
V
V
μA
μA
Status Outputs ( CHRG , VBUSGD , FAULT )
V VBUSGD
V CHRG , V FAULT
I CHRG , I VBUSGD ,
I FAULT
Output Low Voltage
Output Low Voltage
Leakage Current
I VBUSGD = 5mA, V BUS = 5V
I CHRG = I FAULT = 5mA, V OUT = 3.8V
V CHRG = V VBUSGD = V FAULT = 5V
65
100
100
150
1
mV
mV
μA
41601fa
4
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