参数资料
型号: LTC4155IUFD#TRPBF
厂商: Linear Technology
文件页数: 7/52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
V WALLGTPROT WALLGT Output Voltage Protected
WALLSNS > V WALLOVLO
0
V
V USBGTLOAD ,
USBGT, WALLGT Voltage Under
5V Through 3.6k into WALLSNS, USBSNS,
8.4
8.9
V
V WALLGTLOAD Load
I USBGT , I WALLGT = 1μA
I USBSNSQ
I WALLSNSQ
USBSNS Quiescent Current
WALLSNS Quiescent Current
V USBSNS = 5V, V USBSNS > V WALLSNS
V USBSNS = 5V, V WALLSNS > V USBSNS
V WALLSNS = 5V, V WALLSNS > V USBSNS
V WALLSNS = 5V, V USBSNS > V WALLSNS
27
54
27
54
μA
μA
μA
μA
t RISE
OVGCAP Time to Reach Regulation C OVGCAP = 1nF
1.2
ms
IRQ Pin Characteristics
I IRQ
IRQ Pin Leakage Current
V IRQ = 5V
1
μA
V IRQ
IRQ Pin Output Low Voltage
I IRQ = 5mA
75
100
mV
ID Pin Characteristics
I ID
V ID_OTG
ID Pin Pull-Up Current
ID Pin Threshold Voltage
V ID = 0V
ID Pin Falling
35
0.5
55
0.86
85
0.95
μA
V
Overtemperature Battery Conditioner
Hysteresis
0.2
V
I BATOVERTEMP Overtemp Battery Discharge
Only When Enabled via I 2 C Control
125
mA
Current
V BATOVERTEMP Overtemp Battery Voltage Target
Only When Enabled via I 2 C Control
3.85
V
Thermistor Measurement System
κ OFFSET
κ HIGH
V NTC / V NTCBIAS A/D Lower Range
End
V NTC / V NTCBIAS A/D Upper Range
End
V NTC / V NTCBIAS Ratio Below Which Only 0x00
Is Returned
V NTC / V NTCBIAS Ratio Above Which Only 0x7F
Is Returned
0.113
0.895
V/V
V/V
κ SPAN
A/D Span Coefficient
(Decimal Format)
6.091
6.162
6.191
mV/V/LSB
d TOO_COLD
d TOO_WARM
d HOT_FAULT
I NTC
NTCVAL at NTC_TOO_COLD
(Decimal Format)
NTCVAL at NTC_TOO_WARM
(Decimal Format)
NTCVAL at HOT_FAULT
(Decimal Format)
NTC Leakage Current
Warning Threshold
Reset Threshold
Warning Threshold
Reset Threshold
Fault Threshold
Reset Threshold
102
98
41
45
19
23
–100
102
98
41
45
19
23
102
98
41
45
19
23
100
Count
Count
Count
Count
Count
Count
nA
Ideal Diode
V FWD
Forward Voltage Detection
Input Power Available, Battery Charger Off
15
mV
I 2 C Port
DVCC
I DVCCQ
V DVCC_UVLO
I 2 C Logic Reference Level
DVCC Current
DVCC UVLO
(Note 3)
SCL/SDA = 0kHz
1.7
0.25
1.0
V MAX
V
μA
V
ADDRESS
I 2 C Address
0001_001[R/ W ]b
V IH , SDA,SCL
V IL , SDA,SCL
Input High Threshold
Input Low Threshold
70
30
% DVCC
% DVCC
I IH , SDA,SCL
Input Leakage High
SDA, SCL = DVCC
–1
1
μA
4155fc
7
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