ACS722LLCTR-40AB-T

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ACS722LLCTR-40AB-T

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SENSOR CURRENT HALL 40A AC/DC

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規格

屬性 價值
Part Status Active
For Measuring AC/DC
Sensor Type Hall Effect, Open Loop
Current - Sensing 40A
Number of Channels 1
Output Ratiometric, Voltage
Sensitivity 33mV/A
Frequency DC ~ 80kHz
Linearity ±1%
Accuracy ±3%
Voltage - Supply 3V ~ 3.6V
Response Time 5µs
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 ACS722

概述

Description

The ACS722LLCTR-40AB-T is a current sensor IC developed by Allegro MicroSystems. It is designed to measure both AC and DC currents with high accuracy and is commonly used in industrial, automotive, and consumer applications. The device utilizes Hall-effect technology to provide an analog voltage output that is proportional to the sensed current.
Key features of the ACS722LLCTR-40AB-T include a compact surface-mount package, low-noise analog signal path, and high bandwidth. It can measure currents up to ±40 Amperes, with a resolution that allows for precise monitoring and control. The sensor's integrated construction includes a copper conduction path, which ensures minimal power loss and operational efficiency.
Additionally, the ACS722LLCTR-40AB-T offers electrical isolation between the current-carrying conductor and the sensor's electronic components, enhancing safety and reliability. The IC is calibrated for accuracy and offers stability over temperature variations, making it suitable for various demanding environments. Overall, the ACS722LLCTR-40AB-T provides a robust solution for applications requiring efficient and accurate current sensing.

Equivalent

Equivalent products to the ACS722LLCTR-40AB-T, a hall-effect current sensor, include the ACS712 series from Allegro Microsystems, the INA219 from Texas Instruments, and the ACS770 series, also from Allegro. These devices offer similar functionalities in measuring current but with differing specifications, such as current range, isolation voltage, and packaging. Always check compatibility with your specific application requirements before substituting.

Features

The ACS722LLCTR-40AB-T is a Hall-effect based linear current sensor IC designed for precise current sensing applications. Key features include:
1. Current Sensing Range: Measures both AC and DC currents up to ±40A.
2. Output Voltage: Provides a voltage output that is proportional to the sensed current, allowing for easy interfacing with microcontrollers or ADCs.
3. Accuracy and Sensitivity: High accuracy with a typical sensitivity of 66 mV/A, ensuring precise current measurements.
4. Supply Voltage: Operates within a 3.3V to 5V supply range.
5. Low Noise: Features low noise output for improved signal integrity.
6. Bandwidth: Offers a bandwidth up to 80 kHz, suitable for a variety of applications.
7. Isolation: Provides electrical isolation between the current path and the sensor electronics.
8. Compact Package: Comes in a surface-mount SOIC8 package, making it convenient for PCB integration.
9. Temperature Range: Operates reliably within a temperature range of -40°C to 85°C, suitable for industrial environments.
These features make the ACS722LLCTR-40AB-T ideal for applications like motor control, load detection, and overcurrent protection.

Manufacturer

The ACS722LLCTR-40AB-T is manufactured by Allegro MicroSystems. Allegro MicroSystems is a company that specializes in developing and manufacturing high-performance power and sensing semiconductor products. Their products are commonly used in a wide range of applications including automotive, industrial, and consumer electronics. Allegro focuses on providing innovative solutions for motion control and energy-efficient systems, which include integrated circuits for motor drivers, Hall-effect sensor ICs, and power management ICs, among others. The ACS722LLCTR-40AB-T is a type of Hall-effect current sensor IC, showcasing the company's expertise in magnetic sensing technologies.

Application

The ACS722LLCTR-40AB-T is a Hall-effect current sensor IC primarily used for measuring AC and DC currents. Its application areas include:
1. Industrial Motor Control: Monitoring current in motor drives for improved efficiency and protection.
2. Power Supply and DC-DC Converters: Ensuring accurate current measurement for regulation and protection.
3. Load Detection and Management: Detecting and managing load changes in various systems.
4. Inverter Systems: Providing feedback for solar inverters and UPS systems.
5. Battery Management Systems: Monitoring charge and discharge currents in battery packs.
6. Consumer Electronics: Managing and protecting electronic devices from overcurrent conditions.
These applications benefit from the sensor's high accuracy, low noise, and wide operating temperature range.

Package

The ACS722LLCTR-40AB-T is a Hall-effect-based linear current sensor IC in a small, surface-mount SOIC8 package. It is designed for sensing AC and DC currents in industrial, commercial, and communications systems.

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