HAL576UA-K

Series:	HAL®
Packaging:	Tape & Box (TB)
Part Status:	Obsolete
Function:	Unipolar Switch
Technology:	Hall Effect
Polarization:	South Pole
Sensing Range:	8.2mT Trip, 1.8mT Release
Test Condition:	25°C
Voltage - Supply:	3.75 V ~ 24 V
Current - Supply (Max):	17mA
Current - Output (Max):	--
Output Type:	Current Source
Features:	Temperature Compensated
Operating Temperature:	-40°C ~ 85°C (TA)
Package / Case:	TO-226-3, TO-92-3 (TO-226AA) (Formed Leads)
Supplier Device Package:	TO-92UA-1

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Introduction

Solid-state hall effect (SSHE) magnetic field sensors, such as the HAL576UA-K, have become essential components in many modern applications. Essentially, these sensors actively detect a magnetic field and convert it into a logic signal. This signal can then be used to control electrical devices or circuits, including relays, motors, and lights.

Application Fields

HAL576UA-K magnetic field switches are useful in a variety of applications where precise magnetic field sensing or high accuracy is required. For instance, these sensors are used in automotive safety applications, including anti-lock brake systems, airbag deployment, and power steering control systems. The HAL576UA-K is also used in industrial control systems, for both feedback control systems and current measurement. Additionally, these switches are popular in motor control systems, robotics, medical devices, and consumer products.

Working Principle

The HAL576UA-K utilizes a Hall effect element that is configured as a logic switch. This means that the Hall element\'s output signal changes from low to high when it is exposed to a certain amount of magnetic flux density. The switch\'s set point and hysteresis value can be adjusted by changing the voltage applied to the Hall element.When a magnetic field is present, it induces a small electrical current in the Hall element. This current then produces a voltage that is proportional to the magnetic flux density, thus providing a measurable output. This output is then used to control an output switch, such as a relay or transistor. The output of the HAL576UA-K can also be fed into a logic circuit, allowing the detection of a specific magnetic field to trigger predetermined events.

Conclusion

HAL576UA-K solid-state Hall effect magnetic field switches offer a reliable and precise way for detecting and controlling devices based on the presence of a magnetic field. Their wide range of applications and adjustable set points make them an ideal option for many different applications. It is important to keep in mind that proper installation and alignment of the switch are essential for proper performance.

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