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参数资料
| 型号： | DS2741N+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/10页 |
| 文件大小： | 0K |
| 描述： | IC MONITOR/ACCUMULATOR 14-TDFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 功能： | 燃料，电量检测计/监控器 |
| 电池化学： | 锂离子（Li-Ion） |
| 电源电压： | 2.5 V ~ 4.5 V |
| 工作温度： | -20°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 14-WFDFN 裸露焊盘 |
| 供应商设备封装： | 14-TDFN-EP（3x3） |
| 包装： | 带卷 (TR) |
Current Monitor and Accumulator with
Integrated Sense Resistor
ABSOLUTE MAXIMUM RATINGS
Voltage Range on V CC Relative to GND ...............-0.5V to +6.0V
Voltage Range on SDA, SCL,
RS+, RS-, SLP Relative to GND.....-0.5V to (V CC + 0.5V), not to
exceed +6.0V
Continuous Internal Sense Resistor Current ...................... ± 2.7A
Pulsed Internal Sense Resistor
Current .................................. ± 10A for <100μs/s, <1000 pulses
Operating Temperature Range ...........................-20°C to +70°C
Storage Temperature Range .............................-55°C to +125°C
Soldering Temperature...........................Refer to the IPC/JEDEC
J-STD-020 Specification.
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
RECOMMENDED OPERATING CONDITIONS
(T A = -20°C to +70°C.)
PARAMETER
Supply Voltage
SYMBOL
V CC
(Note 1)
CONDITIONS
MIN
2.5
TYP
MAX
4.5
UNITS
V
Input Logic-High: SCL, SDA
Input Logic-Low: SCL, SDA
Input Logic-High: SLP
Input Logic-Low: SLP
Power-Up Ramp Time from
0V to V CCMIN
V IH
V IL
V IH
V IL
t RAMP
1.5
0.7 x
V CC
0.4
0.3 x
V CC
25
V
V
V
V
ms
DC ELECTRICAL CHARACTERISTICS
(2.5V ≤ V CC ≤ 4.5V, T A = -20°C to +70°C.)
PARAMETER
Active Current
Sleep-Mode Current
Output Logic-Low: SDA
Internal Current-Sense Resistor
Value
SYMBOL
I ACTIVE
I SLEEP
V OL
R SNS
CONDITIONS
SLP = SCL = SDA = V CC
SLP = 0V
I OL = 4mA (Note 1)
+25°C
MIN
0.4
TYP
60
1
38
MAX
90
2
45
UNITS
μA
μA
V
m
Current Resolution
I LSB
2.64
mA
Current Full-Scale Magnitude
I FS
(Note 2)
2.54
2.7
A
Current-Sense Accuracy at +25°C
Current-Sense Accuracy from
0°C to +70°C
Current Sampling Rate
Accumulator Resolution
Internal Time-Base Accuracy
Current-Sense Offset
A TL
A TL
t CSR
q CA
t ERR1
t ERR2
I SENSE at 1.5A
I SENSE at 1.5A
(Note 3)
(Note 4)
(Note 4)
Measured with RS+ and RS- shorted
-20
±1
±2
200
0.247
± 1
±3
±5
± 3
± 6.5
+20
%
%
μs
mAh
%
mA
2
_______________________________________________________________________________________
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