ACS71240LLCBTR-045B5

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ACS71240LLCBTR-045B5

+BOM

SENSOR CURRENT HALL 45A 8SOIC

  • 제조업체Allegro 마이크로시스템

  • 제조업체 부품 #ACS71240LLCBTR-045B5

  • 재고7401

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사양

속성 가치
Part Status Active
For Measuring AC/DC
Sensor Type Hall Effect, Open Loop
Current - Sensing 45A
Number of Channels 1
Output Voltage
Sensitivity 44.4mV/A
Frequency 120kHz
Linearity ±1%
Accuracy ±6%
Voltage - Supply 4.5V ~ 5.5V
Response Time 4µs
Current - Supply (Max) 12mA
Operating Temperature -40°C ~ 150°C
Polarization Bidirectional
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
Base Product Number ACS712
Grade Automotive
Qualification AEC-Q100

개요

Description

The ACS712-40A is a Hall-effect current sensor designed for measuring AC and DC currents. It provides galvanic isolation between the high-voltage circuit and the low-voltage logic side, making it safe for applications in power monitoring and control systems. The device can measure currents up to 40A with a sensitivity of 100 mV/A, allowing for precise current tracking.
Key features include its small footprint, integrated circuit design, and the ability to operate over a wide temperature range. The sensor outputs an analog voltage proportional to the current flowing through it, which can be read by microcontrollers or other analog devices.
The ACS712-40A is commonly used in applications such as motor control, battery management, and energy monitoring systems. Its robust construction and reliable performance make it suitable for various industrial and consumer applications where accurate current measurement is essential.

Equivalent

The ACS71240LLCBTR-045B5 is a current sensing IC. Equivalent products include the ACS712-20A, ACS712-30A, and ACS758 family of current sensors by Allegro Microsystems, which provide similar current sensing capabilities. Other alternatives are the INA219 and INA226 by Texas Instruments, which offer digital current sensing with I2C interface. Ensure compatibility with specifications such as current range and output type when selecting an equivalent.

Features

The ACS71240LLCBTR-045B5 is a Hall-effect current sensor designed for both AC and DC applications. Key features include:
- Current Sensing Range: Capable of measuring up to ±40A, providing a wide range for various applications.
- Sensitivity: Produces an output voltage proportional to the current, with a sensitivity of around 66 mV/A, allowing for precise measurements.
- Low Noise: Designed to reduce noise in signal outputs, enhancing accuracy.
- Integrated Circuit: Incorporates a built-in Hall sensor, simplifying design and integration into systems.
- Isolation: Provides electrical isolation between the high-voltage circuit and low-voltage control side, enhancing safety.
- Compact Package: Comes in a small surface-mount package, facilitating ease of installation on PCBs.
- Temperature Range: Operates effectively over a wide temperature range, ensuring reliability in diverse environments.
- Low Power Consumption: Efficient power usage, making it suitable for battery-operated devices.
Overall, the ACS71240LLCBTR-045B5 is ideal for energy monitoring, motor control, and various other applications requiring current measurement.

Pinout

The ACS71240LLCBTR-045B5 is a current sensor IC with a total of 5 pins. Its pin configuration and functions are as follows:
1. IP+ (Pin 1): Positive input for the current sensing.
2. IP- (Pin 2): Negative input for the current sensing.
3. VREF (Pin 3): Reference voltage output, typically set at half the supply voltage.
4. VIO (Pin 4): Power supply input for the IC, typically 3.0 to 5.5 V.
5. OUT (Pin 5): Analog output voltage that corresponds to the current flowing through IP+ and IP-.
The ACS71240LLCBTR-045B5 is designed for measuring AC and DC currents and provides an analog voltage output that is linearly proportional to the sensed current.

Manufacturer

The ACS71240LLCBTR-045B5 is manufactured by Allegro MicroSystems, a company known for its expertise in sensing and power management solutions. Allegro MicroSystems specializes in developing integrated circuits and sensors used in various applications, including automotive, industrial, and consumer electronics. The company focuses on creating innovative technologies that enhance efficiency and performance in electronic systems. Their product offerings include current sensors, magnetic field sensors, and power management ICs, catering to diverse sectors such as automotive, robotics, and renewable energy. Allegro is recognized for its commitment to quality and reliability, making it a prominent player in the semiconductor industry.

Application

The ACS71240LLCBTR-045B5 is a Hall-effect current sensor that measures AC and DC currents up to 40A. Its application areas include:
1. Power Monitoring: Used in energy meters and smart grid applications.
2. Motor Control: Ideal for monitoring motor performance and efficiency in industrial automation.
3. Battery Management Systems: Helps in managing charge and discharge cycles in battery-operated devices.
4. Overcurrent Protection: Incorporated in safety systems to prevent overload in electronic circuits.
5. Renewable Energy: Used in solar inverters to monitor energy flow and efficiency.
Overall, it is suitable for various industrial, automotive, and consumer electronics applications.

Package

The ACS71240LLCBTR-045B5 is packaged in a 5-pin, surface-mount, low-profile package known as the "SOIC" (Small Outline Integrated Circuit) package. This type of packaging is designed for ease of integration into circuit boards while minimizing space.

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