A1223LLHLT-T

Series:	Automotive, AEC-Q100
Packaging:	Tape & Reel (TR)
Part Status:	Active
Function:	Latch
Technology:	Hall Effect
Polarization:	South Pole
Sensing Range:	18mT Trip, -18mT Release
Test Condition:	-40°C ~ 150°C
Voltage - Supply:	3 V ~ 24 V
Current - Supply (Max):	4mA
Current - Output (Max):	25mA
Output Type:	Open Drain
Features:	--
Operating Temperature:	-40°C ~ 150°C (TA)
Package / Case:	SOT-23W
Supplier Device Package:	SOT-23W

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Introduction to A1223LLHLT-T Magnetic Sensors - Switches (Solid State)

Magnetic sensors have been widely used in the automotive industry and other applications such as aviation, military and power generation. The A1223LLHLT-T is a solid state magnetic sensor switch developed by Allegro Microsystems specifically for automotive applications. The advantage of the A1223LLHLT-T is its excellent low-power performance.

Application Field & Working Principle of A1223LLHLT-T

The A1223LLHLT-T solid state magnetic sensor-switch is designed for automotive applications such as wheel speed and engine control. It can detect the presence of a magnetic field that has been generated by a hall-effect magnetic sensor positioned in the vicinity of the A1223LLHLT-T. The switch can detect the hall effect sensor’s field up to a distance of 30 mm. The field generated by the hall effect sensor will cause a change in the resistance of the internal switch, resulting in an appropriate output voltage that can be used by an automotive controller or system to determine the presence of a magnetic field.The output of the A1223LLHLT-T can either be an analog voltage signal that can be read by a controller or system, or it can be a digital signal for logic inputs. This robust and reliable switch can also detect changes in the magnetic field, which is useful for speed sensing and other applications. It is also capable of detecting magnetic switch poles, which makes it an extremely versatile switch for a wide range of applications.

Advantages of A1223LLHLT-T

The A1223LLHLT-T offers several advantages over other types of switches. The most notable advantage is its ability to detect magnetic fields up to a distance of 30 mm. This is possible due to the zero-power “cooling effect” of the switch which keeps it at an operational temperature. This allows the switch to detect even changes in the magnetic field at very low levels.In addition, the A1223LLHLT-T is capable of detecting both AC and DC magnetic fields, which makes it highly useful for power control and engine control applications. It is also very compact and lightweight, making it easier to install and integrate into automotive applications.Finally, the A1223LLHLT-T is also an excellent choice for automotive applications due to its wide operating temperature range of -40°C to +125°C. It is also extremely reliable and has a long service life.

Conclusion

The A1223LLHLT-T solid state magnetic sensor-switch is an excellent choice for automotive applications due to its excellent low power performance, wide operating temperature range, compact size and lightweight design. It offers the ability to detect magnetic fields up to a distance of 30 mm, and can detect both AC and DC fields for applications such as engine and power control. The A1223LLHLT-T is also a very reliable and robust switch with a long service life.

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