ACS781LLRTR-100B-T

画像は参考用です

ACS781LLRTR-100B-T

+BOM

SENSOR CUR HALL 100A 7POWERSMD

365 日間品質保証

7*24 日間の品質保証

90-時間単位のサービス保証

1日間のアフターサービス保証

仕様

属性
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 13.2mV/A
Frequency DC ~ 120kHz
Linearity ±1%
Accuracy ±1.5%
Voltage - Supply 3V ~ 3.6V
Response Time 3.6µs
Current - Supply (Max) 15mA
Operating Temperature -40°C ~ 150°C
Polarization Bidirectional
Mounting Type Surface Mount

概要

Description

The ACS781LLRTR-100B-T is a Hall-effect-based linear current sensor IC designed for measuring bidirectional DC and AC currents. Manufactured by Allegro MicroSystems, this IC is particularly suitable for automotive and industrial applications. It provides an analog output voltage that is proportional to the sensed current, allowing for precise current monitoring and control.
Key features of the ACS781LLRTR-100B-T include its high accuracy, low noise performance, and wide operating temperature range. The sensor is capable of measuring currents of up to 100 A with high sensitivity. It includes integrated overcurrent protection and is housed in a compact surface-mount package, making it ideal for space-constrained applications.
The device operates over a wide voltage range, providing flexibility in various applications without requiring external components. Additionally, the IC is designed to ensure robust performance even in harsh environments, offering reliable operation and long-term stability.
Overall, the ACS781LLRTR-100B-T is an efficient and highly reliable solution for current sensing needs in demanding applications.

Equivalent

The ACS781LLRTR-100B-T is a Hall-effect current sensor IC for high-current applications. Equivalent products include:
1. Allegro MicroSystems ACS770 series (e.g., ACS770LCB-100U).
2. LEM LF xx10 series.
3. Tamura L18PxxxS series.
4. Infineon TLI4970 series.
5. Melexis MLX912xx series.
These alternatives may vary in performance characteristics, so it is important to compare specifications to ensure compatibility with your specific application.

Features

The ACS781LLRTR-100B-T is a current sensor IC with several notable features. It provides high-accuracy current sensing for both AC and DC currents up to 100 A. The sensor outputs an analog voltage signal that is proportional to the sensed current, making it easy to interface with microcontrollers and other digital systems.
Key features include a wide operating temperature range, typically from -40°C to 125°C, and a high bandwidth, which is suitable for fast current sensing applications. The device also boasts excellent isolation characteristics, providing reinforced isolation up to 3.6 kV, which ensures safety in high-voltage applications.
Additionally, the ACS781 series features low power consumption, contributing to enhanced energy efficiency. The sensor is housed in a small, surface-mount package, which facilitates compact design in space-constrained applications. It also includes integrated overcurrent detection capabilities, enhancing the safety and reliability of the device in various applications such as motor control, power conversion systems, and battery management.

Pinout

The ACS781LLRTR-100B-T is a Hall-effect current sensor IC produced by Allegro Microsystems. It is designed for high-precision current sensing applications and comes in a SOIC-8 package with the following pin configuration and functions:
1. Pin 1 (VCC): Supply voltage pin. Connects to the positive supply voltage.
2. Pin 2 (GND): Ground pin. Connects to the system ground.
3. Pin 3 (IP+ or IIN+): Positive terminal of the current path. Connects to the load or current source.
4. Pin 4 (IP+ or IIN+): Another connection for the positive terminal of the current path, often internally connected to Pin 3.
5. Pin 5 (IP- or IOUT-): Negative terminal of the current path. Connects to the output or load return path.
6. Pin 6 (IP- or IOUT-): Another connection for the negative terminal of the current path, often internally connected to Pin 5.
7. Pin 7 (FILTER): Optional external filtering. Can be used with a capacitor to filter the output signal.
8. Pin 8 (VOUT): Analog output voltage. Provides an output voltage proportional to the current being measured.
This sensor is used for AC and DC current sensing in industrial, automotive, and consumer applications.

Manufacturer

The ACS781LLRTR-100B-T is manufactured by Allegro MicroSystems. Allegro MicroSystems is a company that specializes in designing and manufacturing high-performance power and sensing semiconductor solutions. They focus on developing advanced technologies for a wide range of applications, including automotive, industrial, and consumer markets. Allegro is known for its expertise in sensor ICs and power ICs, providing products that enable efficient and reliable system performance.

Application

The ACS781LLRTR-100B-T is a Hall-effect current sensor IC commonly used in various applications. Its primary application areas include electric vehicle systems, where it monitors current flow in battery management and charging systems. It's also used in industrial motor control and automation for accurate current sensing in motor drives. Additionally, the chip is employed in renewable energy systems, such as solar inverters, to manage power conversion efficiently. Its high accuracy and ability to measure both AC and DC currents make it suitable for use in power supply units and uninterruptible power supplies (UPS). This sensor is also found in consumer electronics for device power management.

Package

The ACS781LLRTR-100B-T is a surface-mount package type. It comes in a small, leaded package designed for easy integration onto printed circuit boards (PCBs), facilitating current sensing applications in compact electronic devices.

ACS781LLRTR-100B-Tに関連する製品