ACS726LLFTR-40B-T

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ACS726LLFTR-40B-T

+BOM

SENSOR CURRENT HALL 40A AC/DC

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 値
Package / Case Tape & Reel (TR),Cut Tape (CT)
Part Status Active
For Measuring AC/DC
Sensor Type Hall Effect, Open Loop
Current - Sensing 40A
Number of Channels 1
Output Ratiometric, Voltage
Sensitivity 50mV/A
Frequency DC ~ 120kHz
Linearity ±0.5%
Accuracy ±1%
Voltage - Supply 3V ~ 3.6V
Response Time 5µs
Current - Supply (Max) 40mA
Operating Temperature -40°C ~ 150°C
Polarization Bidirectional
Mounting Type Surface Mount

概要

Description

The ACS726LLFTR-40B-T is a Hall-effect-based linear current sensor IC manufactured by Allegro MicroSystems. It's designed for measuring both AC and DC currents with high accuracy and efficiency. The device operates within a wide current range and offers a typical sensitivity of 40 mV/A, making it suitable for a variety of applications, including power monitoring, motor control, and overcurrent protection.
Key features of the ACS726LLFTR-40B-T include galvanic isolation, allowing it to safely measure high voltages while outputting a low-voltage analog signal proportional to the current flow. It provides high bandwidth and fast response times, ensuring real-time current monitoring. The IC is housed in a compact surface-mount SOIC8 package, facilitating easy integration into circuit designs.
The sensor operates in a temperature range from -40°C to 125°C, ensuring reliability under various environmental conditions. This part is particularly useful in applications requiring precise current sensing with electrical isolation from high-voltage components.

Equivalent

The ACS726LLFTR-40B-T is a Hall-effect current sensor. Equivalent products include the Allegro ACS712, ACS713, and ACS758 series. Other similar products come from manufacturers like Melexis (MLX91210) and Texas Instruments (INA260 with integrated shunt resistor). When considering an alternative, ensure it matches the voltage range, current range, sensitivity, and package type necessary for your application. Always check detailed datasheets to confirm compatibility.

Features

The ACS726LLFTR-40B-T is a fully integrated, Hall-effect-based linear current sensor IC. It offers features such as:
1. High Accuracy: Provides precise current sensing with a typical sensitivity of 40 mV/A, making it suitable for detecting small current changes.
2. Wide Sensing Range: Designed to measure both AC and DC currents up to ±40 A.
3. Galvanic Isolation: Offers electrical isolation between the sensor and the sensed current path, enhancing safety in high-voltage applications.
4. Integrated Shield: Incorporates an internal shield to reduce the impact of external magnetic fields, improving measurement reliability.
5. Low Power Consumption: Efficient design that minimizes power usage.
6. Compact Package: Housed in a small SOIC-8 package, facilitating easy integration into compact PCB designs.
7. Voltage Output: Provides an analog voltage output proportional to the sensed current, which can be directly interfaced with ADCs or microcontrollers.
8. Temperature Stability: Maintains accuracy over a wide temperature range, supporting operation in varying environmental conditions.
These features make the ACS726LLFTR-40B-T suitable for applications in power monitoring, motor control, and overcurrent protection systems.

Pinout

The ACS726LLFTR-40B-T is a Hall-effect-based linear current sensor IC designed by Allegro MicroSystems. It typically comes in an 8-pin SOIC package. The primary function of the ACS726 is to measure both AC and DC currents and provide an analog voltage output that is linearly proportional to the sensed current. This device is capable of sensing up to ±40 Amperes of current. It features galvanic isolation and provides high accuracy and reliability, making it suitable for a variety of applications, including motor control, load detection and management, switch-mode power supplies, and overcurrent fault protection.

Manufacturer

The ACS726LLFTR-40B-T is manufactured by Allegro MicroSystems. Allegro MicroSystems is a company specializing in designing and manufacturing advanced sensor ICs and application-specific analog power ICs. Their products are widely used in the automotive, industrial, and consumer markets. Allegro is known for its expertise in developing high-performance, efficient, and reliable semiconductor solutions that enable innovations in motion control, energy-efficient systems, and hardware safety in various applications.

Application

The ACS726LLFTR-40B-T is a Hall-effect-based current sensor used for measuring current in a variety of applications. Its primary application areas include industrial motor control, battery management systems, and power supply monitoring. It is also used in renewable energy systems, such as solar inverters, and in automotive applications for electric vehicle powertrain monitoring. Additionally, it is suitable for applications requiring precise current sensing in consumer electronics and telecommunications equipment. Its features, such as high accuracy and isolation, make it ideal for systems that require reliable and safe current measurement.

Package

The ACS726LLFTR-40B-T is typically offered in a surface-mount package, specifically a SOIC-8 (Small Outline Integrated Circuit) package. This package type allows for easy integration into various electronic circuits, providing a compact and efficient solution for current sensing applications.

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