Allegro MicroSystems, LLC
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ACS780LLRTR-100B-T
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ACS780LLRTR-100B-T

Introduction

The ACS780LLRTR-100B-T is a current sensor belonging to the category of integrated circuits. It is commonly used for measuring AC and DC currents in various electronic applications. This sensor possesses unique characteristics, comes in a specific package, and offers distinct advantages and disadvantages.

Basic Information Overview

  • Category: Integrated Circuits
  • Use: Measuring AC and DC currents
  • Characteristics: High accuracy, low noise, wide bandwidth
  • Package: Surface Mount
  • Essence: Provides precise current measurement in electronic systems
  • Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

  • Operating Voltage: 5V to 15V
  • Sensitivity: 100mV/A
  • Bandwidth: 120kHz
  • Isolation Voltage: 2.1kV RMS
  • Temperature Range: -40°C to 85°C
  • Output Type: Analog Voltage

Detailed Pin Configuration

  1. V+
  2. V-
  3. Output
  4. NC
  5. NC
  6. NC
  7. NC
  8. GND

Functional Features

  • High accuracy current sensing
  • Low-noise output
  • Wide bandwidth for dynamic measurements
  • Galvanic isolation for enhanced safety

Advantages and Disadvantages

Advantages

  • Precise current measurement
  • Wide operating voltage range
  • Galvanic isolation for safety

Disadvantages

  • Limited temperature range
  • Analog output requires additional signal conditioning

Working Principles

The ACS780LLRTR-100B-T operates based on the principle of Hall-effect sensing. When a current flows through the sensor, it generates a magnetic field that is sensed by the Hall-effect sensor, producing an output voltage proportional to the input current.

Detailed Application Field Plans

This sensor finds extensive application in various fields such as: - Power supplies - Motor control - Battery management systems - Industrial automation

Detailed and Complete Alternative Models

  1. ACS758KCB-150B-PSS-T

    • Category: Integrated Circuits
    • Use: Current sensing
    • Characteristics: High sensitivity, small form factor
    • Package: Surface Mount
    • Operating Voltage: 3V to 5.5V
    • Output Type: Analog Voltage

  2. ACS770LCB-100B-PFF-T

    • Category: Integrated Circuits
    • Use: Current measurement
    • Characteristics: Low offset, high linearity
    • Package: Surface Mount
    • Operating Voltage: 4.5V to 5.5V
    • Output Type: Analog Voltage

In conclusion, the ACS780LLRTR-100B-T is a versatile current sensor with precise measurement capabilities, making it suitable for a wide range of electronic applications.

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10个与ACS780LLRTR-100B-T在技术解决方案中的应用相关的常见问题及解答

  1. What is the ACS780LLRTR-100B-T?

    • The ACS780LLRTR-100B-T is a fully integrated, Hall-effect-based linear current sensor with a 100A measurement range.

  2. How does the ACS780LLRTR-100B-T work?

    • It operates on the principle of Hall-effect sensing to measure current passing through the conductor and provides an analog output proportional to the current.

  3. What are the typical applications of the ACS780LLRTR-100B-T?

    • It is commonly used in applications such as motor control, power supplies, inverters, and other industrial and automotive systems where accurate current measurement is required.

  4. What is the output signal of the ACS780LLRTR-100B-T?

    • The device provides an analog voltage output that is proportional to the measured current, making it compatible with most microcontrollers and ADCs.

  5. How accurate is the ACS780LLRTR-100B-T?

    • The sensor has a high accuracy and linearity over its specified current range, making it suitable for precise current measurement applications.

  6. What is the operating voltage range of the ACS780LLRTR-100B-T?

    • It typically operates from a single power supply ranging from 3V to 5.5V, making it suitable for a wide range of system designs.

  7. Can the ACS780LLRTR-100B-T be used for bidirectional current measurement?

    • Yes, the sensor can measure both positive and negative currents, making it suitable for applications requiring bidirectional current sensing.

  8. Is the ACS780LLRTR-100B-T immune to external magnetic fields?

    • The device is designed to be immune to stray magnetic fields, ensuring accurate and reliable operation in real-world environments.

  9. Does the ACS780LLRTR-100B-T require external calibration?

    • The sensor is factory-calibrated, eliminating the need for additional calibration in most applications, which simplifies the design process.

  10. What are the key advantages of using the ACS780LLRTR-100B-T in technical solutions?

    • Some of the key advantages include high accuracy, wide operating voltage range, immunity to external magnetic fields, and ease of integration into various electronic systems.