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The closed-loop (magnetic balance) Hall current sensor
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The closed-loop (magnetic balance) Hall current sensor

The closed-loop design of the Hall current sensor offers a large bandwidth and low internal resistance, making it suitable for high-precision and high-frequency current measurements. It boasts a wide measurement range, fast response speed, high precision, and good temperature stability. Therefore, the closed-loop Hall current sensor is widely used in various fields such as power, industrial control, energy, automotive, and home appliances, particularly in applications that require high-precision current measurements.
Availability:
  • TR0229-LBH5

  • TR

  • 50000

  • T/T, Western Union, Paypal

  • Shanghai, China


PRODUCT OVERVIEW

The sensor works on the principle of direct measurement Hall detection. The magnetic flux generated by the primary current is gathered in the magnetic circuit, and the Hall voltage signal is detected by the Hall device. After amplification by the amplifier, the voltage signal accurately reflects the primary current.

Product Features

Measures AC, DC and pulsed signals

Excellent accuracy, good linearity

Strong resistance to external interference, high common mode rejection ratio

Low temperature drift, low power consumption, wide frequency band

Perforated structure, no insertion loss


Scope of Application

AC frequency conversion speed regulation

Servo motor traction

Uninterruptible power supply(UPS)

Welding machine, battery power supply

Technical Parameter

Specification 10A/2V 20A/2V 50A/2V Unit
IPN Primary Rated Input Current 10 20 50 A
IP Primary Current Measurement Range 0~10 0~20 0~50 A
VSN Secondary rated output voltage 2.5±2 V
VC The Power Supply Voltage +5V(±5%) V
IC Current Consumption <20 mA
Vd Insulation Voltage Between primary and secondary circuits:2.5kV/50Hz/1min
εL Linearity <0.1 %FS
X Precision TA=25℃:≤±0.5 %
V0 Offset Voltage TA=25℃:≤±15 mV
VOM Magnetic Offset Voltage Ip =0 after 3*IpN:≤±15 mV
VOT Offset voltage temperature drift Ip=0 TA=-40~+80℃:≤±0.1 mV/℃
Tr Response time ≤1 μS
f Bandwidth(-1dB) DC~200 kHz
TA Working Temperature -40~+80
TS Storage Temperature -45~+85

Shape and Installation Dimensions


01-06

Circuit link diagram

444


Note:

IpN:Primary current input direction
+ :Positive 5V power supply
G :Power ground
M :Secondary signal output

Installation Precautions

The sensor should be wired correctly, otherwise it may damage the internal components of the sensor

When the sensor is soldered to the circuit board, it needs to be soldered with a low-temperature soldering iron, and the time should not be too long, and secondly, the pins should not be squeezed by a large amount, otherwise the internal connection may be opened.








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