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参数资料
| 型号： | HC2F100-SN |
| 厂商： | LEM USA Inc |
| 文件页数： | 1/5页 |
| 文件大小： | 0K |
| 描述： | CURRENT SENSOR 100APOLAR |
| 标准包装： | 1 |
| 系列： | HC2F |
| 电流 - 感应： | ±100A |
| 灵敏度： | 20mV/A |
| 电流 - 电源： | 15mA ~ 20mA |
| 传感器类型： | 开环霍尔效应 |
| 电源电压： | 4.75 V ~ 5.25 V |
| 输出： | 模拟，比率 |
| 频率： | 20kHz |
| 响应时间： | 15µs |
| 电极标记： | 双向 |
| 工作温度： | -40°C ~ 125°C |
| 封装/外壳： | 模块 |
| 包装： | * |
| 其它名称： | Q3206052 |
AUTOMOTIVE CURRENT TRANSDUCER
HC2F100-SN CLIPS
Introduction
The HC2F CLIPS Family is for the electronic measurement of DC,
AC or pulsed currents in high power and low voltage automotive
applications with galvanic isolation between the primary circuit
(high power) and the secondary circuit (electronic circuit).
The HC2F CLIPS family gives you the choice of having different
current measuring ranges in the same housing.
Features
● Open Loop transducer using the Hall effect
● Low voltage application
● Unipolar + 5 V DC power supply
● Primary current measuring range from 80 A up to 250 A
● Maximum RMS primary admissible current: defined by
busbar to have T° < + 150°C
● Operating temperature range: - 40°C < T° < + 125°C
● Output voltage: full ratiometric (in sensitivity and offset)
Principle of HC2F CLIPS Family
The open loop transducers uses a Hall effect integrated circuit.
The magnetic flux density B, contributing to the rise of the Hall
voltage, is generated by the primary current I P to be measured.
The current to be measured I P is supplied by a current source
i.e. battery or generator (Fig. 1).
Within the linear region of the hysteresis cycle, B is proportional
to:
B ( I P ) = constant (a) x I P
The Hall voltage is thus expressed by:
V H = (R H /d) x I x constant (a) x I P
Except for I P , all terms of this equation are constant.
Therefore:
V H = constant (b) x I P
The measurement signal V H amplified to supply the user output
voltage or current.
● Compact design for PCB mounting.
Advantages
+V c
● Excellent accuracy
● Very good linearity
● Very low thermal offset drift
I P
V out
● Very low thermal sensitivity drift
● Wide frequency bandwidth
● No insertion losses.
-V c
0V
Automotive applications
Primary current I
P
Isolated output voltage
● Electrical Power Steering
● Starter Generators
● Converters ...
Fig. 1: Principle of the open loop transducer
Page 1/5
18october2011/2
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice.
www.lem.com
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