Allegro MicroSystems, LLC
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ACS711ELCTR-12AB-T
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ACS711ELCTR-12AB-T

Introduction

The ACS711ELCTR-12AB-T is a current sensor belonging to the category of Hall Effect-based linear current sensors. This device is commonly used for measuring current in various electronic applications due to its unique characteristics and precise measurements.

Basic Information Overview

  • Category: Hall Effect-based linear current sensor
  • Use: Measuring current in electronic applications
  • Characteristics: High accuracy, low offset, and sensitivity drift, wide bandwidth
  • Package: Surface mount package
  • Essence: Accurate current measurement with minimal interference
  • Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

  • Operating Voltage: 3.0V to 5.5V
  • Sensitivity: 100mV/A
  • Bandwidth: DC to 120kHz
  • Operating Temperature Range: -40°C to 125°C
  • Output Type: Analog voltage output
  • Isolation Voltage: 2.1kV RMS

Detailed Pin Configuration

The ACS711ELCTR-12AB-T features a 5-pin configuration: 1. VCC (Power supply) 2. GND (Ground) 3. VIOUT (Analog voltage output) 4. NC (No connection) 5. VOUT (Voltage output)

Functional Features

  • High accuracy and linearity
  • Low power consumption
  • Wide operating temperature range
  • Fast response time
  • Integrated overcurrent detection

Advantages and Disadvantages

Advantages

  • Precise current measurement
  • Wide bandwidth for versatile applications
  • Integrated overcurrent detection enhances safety

Disadvantages

  • Sensitive to external magnetic fields
  • Limited isolation voltage compared to some alternatives

Working Principles

The ACS711ELCTR-12AB-T utilizes the Hall Effect to measure current. When a current-carrying conductor is placed near the sensor, it generates a magnetic field that is sensed by the Hall Effect sensor, producing an output voltage proportional to the current.

Detailed Application Field Plans

This sensor is widely used in various applications such as: - Motor control systems - Power management systems - Battery monitoring - Overcurrent protection circuits - Industrial automation

Detailed and Complete Alternative Models

Some alternative models to the ACS711ELCTR-12AB-T include: - ACS712ELCTR-05B-T - ACS714LLCTR-30A-T - ACS722LLCTR-10AU-T - ACS725LLCTR-20AB-T

In conclusion, the ACS711ELCTR-12AB-T offers precise current measurement capabilities with a wide operating temperature range, making it suitable for diverse electronic applications.

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Listen Sie 10 häufige Fragen und Antworten im Zusammenhang mit der Anwendung von ACS711ELCTR-12AB-T in technischen Lösungen auf

  1. What is the ACS711ELCTR-12AB-T?

    • The ACS711ELCTR-12AB-T is a current sensor IC (integrated circuit) that provides an economical and precise solution for AC or DC current sensing in industrial, automotive, commercial, and communications systems.

  2. What is the operating voltage range of the ACS711ELCTR-12AB-T?

    • The operating voltage range of the ACS711ELCTR-12AB-T is 3 to 5.5 volts.

  3. What is the output signal of the ACS711ELCTR-12AB-T?

    • The ACS711ELCTR-12AB-T produces an analog output voltage proportional to the sensed current, with a typical sensitivity of 185 mV/A.

  4. What is the maximum continuous current that the ACS711ELCTR-12AB-T can sense?

    • The ACS711ELCTR-12AB-T can sense a maximum continuous current of ±12.5A.

  5. What are the typical applications of the ACS711ELCTR-12AB-T?

    • Typical applications of the ACS711ELCTR-12AB-T include motor control, load detection and management, switched-mode power supplies, and overcurrent fault protection.

  6. Does the ACS711ELCTR-12AB-T require an external power supply?

    • Yes, the ACS711ELCTR-12AB-T requires an external power supply within the specified operating voltage range.

  7. Is the ACS711ELCTR-12AB-T suitable for high-precision current measurement?

    • The ACS711ELCTR-12AB-T offers good accuracy and linearity, making it suitable for many high-precision current measurement applications.

  8. What is the temperature range for operation of the ACS711ELCTR-12AB-T?

    • The ACS711ELCTR-12AB-T is designed to operate over a temperature range of -40°C to 125°C.

  9. Can the ACS711ELCTR-12AB-T be used for both AC and DC current sensing?

    • Yes, the ACS711ELCTR-12AB-T is capable of sensing both AC and DC currents.

  10. Are there any special considerations for PCB layout when using the ACS711ELCTR-12AB-T?

    • Proper PCB layout techniques, such as minimizing trace resistance and noise, should be followed to ensure optimal performance of the ACS711ELCTR-12AB-T.