ACS781KLRTR-150B-T

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ACS781KLRTR-150B-T

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SENSOR CUR HALL 100A 7POWERSMD

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Especificações

Atributo Valor
Package / Case Tape & Reel (TR),Cut Tape (CT)
Series Automotive, AEC-Q100
Part Status Active
For Measuring AC/DC
Sensor Type Hall Effect, Differential
Current - Sensing 100A
Number of Channels 1
Output Ratiometric, Voltage
Sensitivity 8.8mV/A
Frequency DC ~ 120kHz
Linearity ±1%
Accuracy ±0.8%
Voltage - Supply 3V ~ 3.6V
Response Time 3.6µs
Current - Supply (Max) 15mA
Operating Temperature -40°C ~ 125°C
Polarization Bidirectional
Mounting Type Surface Mount

Visão Geral

Description

The ACS781KLRTR-150B-T is a Hall-effect-based current sensor IC developed by Allegro MicroSystems. It's designed for applications that require precise current monitoring and control. This sensor is capable of measuring both AC and DC currents up to 150A, making it suitable for a variety of high-power applications, including industrial and automotive sectors.
The IC offers high accuracy and reliability, with an integrated conductor that ensures low power loss and high immunity to external magnetic fields. It features a compact package, enhancing its suitability for space-constrained environments. The sensor provides a linear output voltage proportional to the sensed current, which simplifies integration with microcontrollers and other signal processing units.
The ACS781KLRTR-150B-T includes an overcurrent fault output, allowing for quick response to overcurrent conditions. Its robust design supports a wide operating temperature range, ensuring reliable performance in harsh environments. This IC is ideal for applications like motor control, power distribution, and load detection, where dependable and accurate current sensing is crucial.

Equivalent

The ACS781KLRTR-150B-T is a Hall-effect current sensor manufactured by Allegro MicroSystems. Equivalent products may include the ACS770 series from Allegro, the LEM LF xx05 series, and Texas Instruments’ INA250 series, depending on the specific application requirements like current range, isolation, and packaging. Always consider the exact electrical and mechanical specifications when selecting an equivalent to ensure compatibility with your application.

Features

The ACS781KLRTR-150B-T is a current sensor IC from Allegro MicroSystems designed for high-precision current sensing in industrial, automotive, and consumer applications. Key features include:
1. Measurement Range: It can measure up to 150A of DC or AC current.
2. Isolation: The sensor provides galvanic isolation with a high working voltage, making it suitable for applications requiring electrical isolation.
3. Output: It offers a ratiometric analog voltage output, which is proportional to the current flowing through the conductor.
4. Accuracy: The sensor is known for its high accuracy and stability over temperature variations.
5. Bandwidth: It features a bandwidth of 120 kHz, allowing for dynamic current tracking.
6. Package: The device comes in a small, surface-mount SOIC8 package, making it easy to integrate onto PCBs.
7. Safety: It is designed to meet industry-standard safety requirements for various applications.
8. Temperature Range: Operates effectively over a wide temperature range from -40°C to 125°C.
These features make the ACS781KLRTR-150B-T suitable for precise and reliable current sensing in challenging operating environments.

Pinout

The ACS781KLRTR-150B-T is a Hall-effect-based linear current sensor IC designed by Allegro Microsystems. It typically comes in a small surface-mount package with a total of 8 pins.
The primary function of the ACS781 is to provide economical and precise AC or DC current sensing in industrial, commercial, and communications systems. It is capable of sensing current up to 150 A. The device uses a Hall-effect sensor to measure the magnetic field generated by the current flowing through a conductive path and outputs a proportional analog voltage signal.
Key features include high accuracy, low noise, built-in temperature compensation, and overcurrent fault detection. It is designed to be used in applications such as motor control, load detection, and power management systems. The compact form factor and ease of integration make it suitable for a variety of current sensing applications.

Manufacturer

The ACS781KLRTR-150B-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 a wide range of products including integrated circuits for motion control, energy-efficient systems, and automotive applications. Allegro focuses on innovative technologies for the automotive and industrial markets, offering solutions that enhance efficiency and enable smarter systems.

Application

The ACS781KLRTR-150B-T is a Hall-effect-based linear current sensor IC designed for various applications. It is commonly used in electric vehicle systems, photovoltaic inverters, and industrial motor controls for current monitoring and protection. Additionally, it is suitable for use in power supply units, load detection, and management systems for battery-operated devices. The sensor's high accuracy and isolation capabilities make it ideal for applications requiring precise current measurement and electrical isolation.

Package

The ACS781KLRTR-150B-T is a surface-mount package. It typically comes in a compact SOIC-8 (Small Outline Integrated Circuit) package, designed for easy integration onto printed circuit boards (PCBs).

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