AUTOMOTIVE CURRENT TRANSDUCER HAG 240-V/SP1
Introduction
The HAG Family is best suited for DC, AC or pulsed currents me...
AUTOMOTIVE CURRENT TRANSDUCER HAG 240-V/SP1
Introduction
The HAG Family is best suited for DC, AC or pulsed currents measurement in high power and low
voltage automotive applications. It’s contains galvanic isolation between the primary circuit (high power) and the secondary circuit (electronic circuit). The HAG family gives you a choice of having different current measuring ranges in the same housing (from ± 50 A up to ± 250 A).
Principle of HAG Family
The open loop transducers use an 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 control current IP 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 (IP) = constant (a) x IP 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.
Features
●● Open Loop transducer using the Hall effect sensor ●● Low
voltage application ●● Unipolar + 5 V DC power supply ●● Primary current measuring range from 0 A up to 240 A ●● Maximum rms primary current limited by the busbar, the magnetic core or the ASIC temperature T° < + 150°C ●● Operating temperature range: - 40°C < T° < + 125°C ●● Output
voltage: full ratio-metric (in gain and offset).
Advant...