Allegro MicroSystems, LLC
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ACS780LLRTR-050B-T
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ACS780LLRTR-050B-T

Introduction

The ACS780LLRTR-050B-T is a current sensor designed for use in various electronic applications. This entry provides an overview of the product, including its category, use, characteristics, package, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

  • Category: Current Sensor
  • Use: Measuring and monitoring electrical currents in electronic circuits
  • Characteristics: High accuracy, low offset voltage, wide operating temperature range
  • Package: Surface Mount
  • Essence: Provides precise current measurement for efficient circuit monitoring
  • Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

  • Operating Voltage: 3.0V to 5.5V
  • Sensitivity: 40mV/A
  • Bandwidth: DC to 120kHz
  • Output: Analog Voltage
  • Temperature Range: -40°C to 125°C
  • Isolation Voltage: 2.1kV RMS

Detailed Pin Configuration

  1. V+
  2. V-
  3. Output
  4. NC (No Connection)
  5. GND

Functional Features

  • High accuracy current sensing
  • Low power consumption
  • Wide bandwidth for dynamic current measurement
  • Integrated overcurrent detection

Advantages and Disadvantages

Advantages

  • Precise current measurement
  • Wide operating temperature range
  • Integrated overcurrent detection for added protection

Disadvantages

  • Limited isolation voltage compared to some alternatives
  • Requires external components for specific applications

Working Principles

The ACS780LLRTR-050B-T operates based on the Hall effect, where the magnetic field generated by the current flowing through the conductor is sensed and converted into a proportional voltage output.

Detailed Application Field Plans

The ACS780LLRTR-050B-T is suitable for various applications, including: - Motor control systems - Power management in industrial equipment - Battery management systems - Inverter and converter control

Detailed and Complete Alternative Models

  1. ACS770LLRTR-050B-T: Similar specifications with higher isolation voltage
  2. ACS782LLRTR-050B-T: Enhanced accuracy and lower offset voltage

In conclusion, the ACS780LLRTR-050B-T is a reliable current sensor with high accuracy and wide operating temperature range, making it suitable for diverse electronic applications.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan ACS780LLRTR-050B-T dalam solusi teknis

  1. What is the ACS780LLRTR-050B-T?

    • The ACS780LLRTR-050B-T is a fully integrated, Hall-effect-based linear current sensor with a 50A measurement range.

  2. How does the ACS780LLRTR-050B-T work?

    • The ACS780LLRTR-050B-T uses a Hall-effect sensor to measure the magnetic field generated by the current flowing through the conductor, and then converts it into an analog voltage output proportional to the current.

  3. What are the typical applications of the ACS780LLRTR-050B-T?

    • The ACS780LLRTR-050B-T is commonly used in applications such as motor control, power management, and overcurrent protection in various technical solutions.

  4. What is the accuracy of the ACS780LLRTR-050B-T?

    • The ACS780LLRTR-050B-T has a typical accuracy of ±1.5% at room temperature, which makes it suitable for many precision measurement applications.

  5. How do I interface with the ACS780LLRTR-050B-T?

    • The ACS780LLRTR-050B-T provides an analog voltage output that can be easily interfaced with microcontrollers, ADCs, or other signal processing circuits.

  6. What is the operating voltage range of the ACS780LLRTR-050B-T?

    • The ACS780LLRTR-050B-T operates from a single power supply ranging from 3V to 5.5V, making it compatible with a wide range of systems.

  7. Can the ACS780LLRTR-050B-T measure both AC and DC currents?

    • Yes, the ACS780LLRTR-050B-T is capable of measuring both AC and DC currents, providing flexibility in various technical solutions.

  8. Is the ACS780LLRTR-050B-T isolated?

    • No, the ACS780LLRTR-050B-T is not isolated and should be used with appropriate isolation techniques if required for the specific application.

  9. What is the response time of the ACS780LLRTR-050B-T?

    • The ACS780LLRTR-050B-T has a fast response time, typically in the range of microseconds, making it suitable for dynamic current measurement applications.

  10. Are there any special considerations for PCB layout when using the ACS780LLRTR-050B-T?

    • It is recommended to follow the manufacturer's guidelines for PCB layout to minimize noise and ensure accurate measurements when using the ACS780LLRTR-050B-T in technical solutions.