A3214ELHLT-T

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A3214ELHLT-T

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MAGNETIC SWITCH OMNIPOLAR SOT23W

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Thông số kỹ thuật

thuộc tính Giá trị
Package / Case Tape & Reel (TR),Cut Tape (CT)
Part Status Active
Function Omnipolar Switch
Technology Hall Effect
Polarization North Pole, South Pole
Sensing Range ±7mT Trip, ±1mT Release
Test Condition -40°C ~ 85°C
Voltage - Supply 2.4V ~ 5.5V
Current - Supply (Max) 2mA
Current - Output (Max) 1mA
Output Type Open Drain
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Supplier Device Package SOT-23W

Tổng quan

Description

The A3214ELHLT-T is a specialized component, likely a part of the Allegro MicroSystems product line, known for its high-performance Hall-effect sensor ICs. These sensors are designed to detect magnetic fields and are commonly used in automotive and industrial applications. The "A3214" denotes the particular series or model number, while "ELHLT-T" might specify specific features, packaging, or performance capabilities such as temperature range or sensitivity.
Hall-effect sensors like the A3214ELHLT-T are crucial for precise detection of magnetic fields, enabling applications such as speed sensing, proximity detection, and current sensing. These are often characterized by their non-contact operation, high reliability, and robustness in harsh environments. The "T" at the end could refer to a specific package type or reel format for automated assembly processes.
Overall, the A3214ELHLT-T serves as a reliable and efficient component for systems requiring accurate magnetic field measurement, contributing to the advancement of modern electronic applications through its integration into various devices and machinery.

Equivalent

The A3214ELHLT-T is a Hall-effect sensor IC commonly used for position and magnetic field sensing. Equivalent products could include Hall-effect sensors with similar specifications, such as the Allegro A3213/A3214, Melexis MLX90248, and Honeywell SS49E. When looking for equivalents, ensure they match the key parameters like operating voltage, sensitivity, and package type. Always consult datasheets for exact specifications to ensure compatibility.

Features

The A3214ELHLT-T is a Hall-effect latch sensor manufactured by Allegro MicroSystems. Key features include:
1. Latch Type: It operates as a latch, meaning it retains its output state when the magnetic field is removed, and changes state with alternating north and south magnetic poles.
2. Sensitivity: The sensor is designed to detect the presence of a magnetic field, switching states accordingly.
3. Temperature Stability: It offers stable operation over a wide temperature range, making it suitable for various applications.
4. Power Efficiency: The device is known for low power consumption, which is ideal for battery-operated devices.
5. Package Type: The sensor is available in surface-mount packaging, specifically a SOT-23W (3-pin) format, which is compact and easy to integrate into circuit boards.
6. Output: It provides a digital (binary) output, making it easy to interface with microcontrollers and other digital systems.
These features make the A3214ELHLT-T suitable for applications such as speed detection, RPM sensing, and position sensing in automotive and industrial environments.

Pinout

The A3214ELHLT-T is a unipolar Hall-effect switch integrated circuit (IC) manufactured by Allegro MicroSystems. This device is designed for detecting the presence of a magnetic field and is commonly used in various applications such as position sensing, speed detection, and proximity sensing.
The A3214ELHLT-T comes in a 3-pin package. Here is a concise description of its pin count and function:
1. Pin Count: 3 pins
- Pin 1: VCC (Power Supply) - This pin is connected to the positive supply voltage.
- Pin 2: GND (Ground) - This pin is connected to ground or zero voltage reference.
- Pin 3: OUT (Output) - This pin provides the output signal, indicating the presence or absence of a magnetic field.
The device operates by leveraging the Hall effect, where it outputs a digital signal based on the magnetic field strength at its sensing element. When a magnetic field of sufficient strength is detected, the output transistor is activated, pulling the output pin to a low state. When the magnetic field is removed or below the threshold, the output returns to a high state.

Manufacturer

The A3214ELHLT-T is manufactured by Allegro MicroSystems. Allegro MicroSystems is a company that specializes in developing and manufacturing high-performance power and sensing semiconductor solutions. They provide advanced solutions for motion control and energy-efficient systems primarily in the automotive, industrial, and consumer markets. Allegro is known for its expertise in magnetic sensor integrated circuits (ICs) and power ICs, which are used in a wide range of applications including automotive safety systems, industrial automation, and more.

Application

The A3214ELHLT-T is typically used in automotive and industrial applications as a Hall-effect sensor IC. Its primary function is to detect the presence of a magnetic field and convert it into an electrical signal. This makes it ideal for use in speed sensing, position sensing, and current sensing. It can be found in applications such as anti-lock braking systems (ABS), camshaft and crankshaft position sensors, and tachometers. Additionally, it may be used in electric motor control systems and other applications where precise magnetic field detection is required.

Package

The A3214ELHLT-T is a Hall-effect sensor IC typically used for detecting magnetic fields. Its package type is a surface-mount SOT-23W, which is a small-outline, 3-pin transistor package designed for compact and efficient PCB mounting.

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