| Allicdata Part #: | 620-1349-2-ND |
| Manufacturer Part#: |
A1229LLTTR-T |
| Price: | $ 0.40 |
| Product Category: | Sensors, Transducers |
| Manufacturer: | Allegro MicroSystems, LLC |
| Short Description: | MAGNETIC SWITCH LATCH SOT89-3 |
| More Detail: | Digital Switch Latch Open Drain Hall Effect SOT-89... |
| DataSheet: | A1229LLTTR-T Datasheet/PDF |
| Quantity: | 1000 |
| 6000 +: | $ 0.35721 |
| Series: | -- |
| Packaging: | Tape & Reel (TR) |
| Part Status: | Last Time Buy |
| Function: | Latch |
| Technology: | Hall Effect |
| Polarization: | South Pole |
| Sensing Range: | 20mT Trip, -20mT Release |
| Test Condition: | -40°C ~ 150°C |
| Voltage - Supply: | 3.8 V ~ 24 V |
| Current - Supply (Max): | 6mA |
| Current - Output (Max): | 25mA |
| Output Type: | Open Drain |
| Features: | -- |
| Operating Temperature: | -40°C ~ 150°C (TA) |
| Package / Case: | TO-243AA |
| Supplier Device Package: | SOT-89-3 |
Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us: sales@allicdata.com
Magnetic sensors can be used for a variety of applications and are increasingly becoming an important part of modern automation and control systems. Among these sensors, A1229LLTTR-T is a solid state magnetic switch that operates on the principle of a Hall Effect. This switch is capable of detecting changes in the presence and intensity of magnetic fields in order to control actuators or carry out troubleshooting operations. Additionally, this switch is designed to be used in a straightforward manner without requiring advanced programming or complex wiring configurations.
In order to understand the A1229LLTTR-T’s application field and working principle, it is important to have a basic understanding of the Hall Effect. The Hall Effect is an electrical phenomenon that occurs when a current carrying conductor in a magnetic field experiences a voltage difference across its two sides as a result of this magnetic field. The magnitude of the voltage difference is directly proportional to the strength of the magnetic field as well as the current through the conductor.
The A1229LLTTR-T utilizes this Hall Effect to detect and measure changes in the presence and intensity of an external magnetic field. The switch consists of a Hall effect device along with associated circuitry which includes control electronics and various components such as resistors, capacitors and diodes. The Hall effect device contains an integrated circuit along with two metal plates at each end. These plates are known as gate plates. When a magnetic field is applied to the externally facing side of the A1229LLTTR-T, it induces a voltage difference between the two gate plates which is then fed into the control electronics.
The control electronics are designed to interpret the voltage difference, and if it is above a certain threshold, they activate a relay. This relay then sends out a signal to either switch an actuator or can be used to trigger an alarm or indicate a problem. The voltage threshold also needs to be adjusted in order to ensure accurate detection of changes in the magnetic field. This can be done by adding or removing resistors or capacitors in the circuit.
In the automotive industry, one common use of the A1229LLTTR-T switch is to detect the presence of a magnet in the transmission gear, a practice which is used to determine whether the vehicle is in the forward or reverse gear. The transmission gear is embedded with a magnet, located between two gate plates of the switch. When the switch is placed in the transmission gear, it activates the control electronics as the strength of the external magnetic field changes from first gear to reverse gear.
The A1229LLTTR-T can also be used for troubleshooting operations. This switch can sense tiny changes in the presence and intensity of a magnetic field, allowing technicians to identify small problems. This can be done by installing the A1229LLTTR-T in various points in an electric motor and then correlating any changes in the magnetic field with changes in the electric motor’s performance in order to identify any problems that may be occurring.
In addition to the automotive and troubleshooting applications, the A1229LLTTR-T switch can also be used to measure the position of a moving object or detect an object’s proximity. This can be done by attaching a magnet to the moving object and then mounting the switch in a stationary position. When the magnet moves near the switch, it induces a voltage difference which is then highlighted in the control electronics.
In conclusion, the A1229LLTTR-T is a solid state magnetic switch which can be used in a variety of applications. Its primary use is to detect changes in the presence and intensity of an external magnetic field, allowing it to switch an actuator or indicate a problem. This switch is also capable of measuring the position of a moving object or detecting its proximity, in addition to being used in the automotive industry for gear shifting detection. Additionally, it is designed to operate in a straightforward manner with no complex programming or wiring configurations required.
The specific data is subject to PDF, and the above content is for reference
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A1229LLTTR-T Datasheet/PDF