飞轩霍尔电流传感器s124规格书

RL > 10 kW optional resistor for signal line diagnostic CL < 100 nF EMC protection RC Low pass filter EMC protection (optional)
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UC TS UESD Ud dCp dCI CTI Iout Vout RIS tc
V °C kV kV mm mm
Symbol UC Iout RL CL TA IPM channel 1 IPN channel 1 VO G IC
Unit V
Specification Min 4.75 -1 10 1 - 10 - 40 - 75 - 75 2.5 26.7 2.5 0.2 4.7 0.25 4.75 1 70 25 - 0.6 - 10 - 500 - 500 2.5 4 2.5 0.2 4.7 0.25 4.75 1 70 25 - 0.6 - 10 200 25 0.6 10 0.3 4.8 10 @ - 3 dB 200 25 0.6 10 500 500 0.3 4.8 10 @ - 3 dB 100 65 125 75 75 Typical 5 15 Max 5.25 20 1
AUTOMOTIVE CURRENT TRANSDUCER OPEN LOOP TECHNOLOGY DHAB S/124
Introduction
The DHAB family is best suited for DC, AC, or pulsed currents measurement in high power and low voltage automotive applications. It features galvanic separation between the primary circuit (high power) and the secondary circuit (electronic circuit). The DHAB family gives you a choice of having different current measuring ranges in the same housing (from ± 20 up to ± 900 A).
Maximun supply voltage Ambient storage temperature Electrostatic discharge voltage Rms voltage for AC insulation test, 50 Hz, 1 min Creepage distance Clearance Comparative traking index Maximum output current Maximum output voltage (Analog) Insulation resistance Output short circuit maximum duration Operating characteristics in nominal range (IPN) Parameter Supply voltage 1) Current consumption Maximum output current Load resistance Capacitive loading Ambient operating temperature
Conditions
Electrical Data
mA mA ΚΩ nF °C
High accuracy Reduced accuracy
Primary current, measuring range Primary nominal DC or rms current Offset voltage Sensitivity Resolution Output clamping voltage min 1) Output clamping voltage max 1) Output internal resistance Frequency bandwidth 2) Power up time Setting time after over load Ratiometricity error Output voltage noise peak-peak Primary current, measuring range Primary nominal DC or rms current Offset voltage Sensitivity Resolution Output clamping voltage min 1) Output clamping voltage max 1) Output internal resistance Frequency bandwidth 2) Power up time Setting time after over load Ratiometricity error Output voltage noise peak-peak
Channel 2 68 nF Gnd
CL
Gnd
R
RL
C
Remarks
5 1 ●● IP = · Vout − VO · UC G with G in (V/A)
Gnd Gnd
Gnd
●● Vout > Vo when IP flows in the positive direction (see arrow on drawing).
System architecture (example)
LEM - DHAB sensor. + 5V 100 nF Gnd
UC
ห้องสมุดไป่ตู้
Typical application +5V Schematic interface.
47 nF Gnd Channel 1
IPM
Primary current 68 nF Gnd
Automotive applications
●● Battery Pack Monitoring ●● Hybrid Vehicles ●● EV and Utility Vehicles.
Principle of DHAB 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 IP to be measured. The current to be measured IP is supplied by a current source i.e. battery or generator (Figure 1). Within the linear region of the hysteresis cycle, B is proportional to: The Hall voltage is thus expressed by: VH= (RH/d) x I x constant (a) x IP Except for IP, all terms of this equation are constant. Therefore: VH = constant (b) x IP The measurement signal VH amplified to supply the user output voltage or current. B (IP) = constant (a) x IP
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Dimensions DHAB S/124 (in mm)
IP
Vout Vout UC
Drawing for information only
Mechanical characteristics
●● Plastic case ●● Magnetic core ●● Electrical terminal coating ●● Mass >PBT-GF30< Channel 1: FeNi alloy Channel 2: FeSi alloy Brass tin plated 82 g
Absolute ratings (not operating) Parameter Symbol
DHAB S/124
Unit Specification Min Typical Max 8.5 Continuous Over voltage, 1 min Reverse voltage, 1 min @TA= 25 °C 125 2 2.5 3.1 3.1 425 mA V MΩ s 500 120 - 10 10 8.5 14 Continuous Continuous Outpout over voltage,1 min @TA= 25 °C 500 V DC, ISO 16750 JESD22-A 114-B class 2 IEC 60664 part 1 14 - 14 - 40 Conditions
Features
●● Open Loop transducer using the Hall effect ●● Low voltage application ●● Unipolar + 5 V DC power supply ●● Primary current measuring range up to ± 75 A for channel 1 and ± 500 A for channel 2 ●● Maximum RMS primary admissible current: defined by busbar to have T° < + 150 °C ●● Operating temperature range: - 40 °C < T° < + 125 °C ●● Output voltage: full ratio-metric (in sensitivity and offset).
Special feature
●● Dual channel sensor for wider measurement range and redundancy.
Advantages
●● Good accuracy for high and low current range ●● Good linearity ●● Low thermal offset drift ●● Low thermal sensitivity drift ●● Hermetic package.
Fig. 1: Principle of the open loop transducer
N° 97.B6.99.124.0
30April2015/version 1 LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice
CL
R
Mounting recommendation
●● Mating connector P/N ●● Max assembly torque ●● Soldering type TYCO 1-1456426-5 2.5 N٠m (for M4 x 0.7) N/A
RL
C Gnd
Gnd Gnd