ACS733KLATR-40AB-T

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ACS733KLATR-40AB-T

+BOM

SENSOR CURRENT HALL 40A 16SOIC

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Specifications

Attribute Value
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 40A
Number of Channels 1
Output Ratiometric, Voltage
Sensitivity 33mV/A
Frequency 1MHz
Linearity ±0.5%
Accuracy ±1.7%
Voltage - Supply 3.14V ~ 3.46V
Response Time 200ns
Current - Supply (Max) 35mA
Operating Temperature -40°C ~ 125°C
Polarization Bidirectional
Mounting Type Surface Mount

Overview

Description

The ACS733KLATR-40AB-T is a Hall-effect current sensor IC produced by Allegro MicroSystems. It is designed to provide an economical and precise solution for AC or DC current sensing applications. The device is capable of measuring current up to ±40 A and outputs a voltage proportional to the current flowing through the conductor. It features a galvanically isolated primary conductor path, which ensures safety and high-side current sensing without disrupting the system's ground plane.
The sensor operates with a supply voltage of 3.3V or 5V and can achieve a typical accuracy of 1% at room temperature. It is housed in a small surface-mount package, making it suitable for space-constrained applications. Additionally, the ACS733KLATR-40AB-T incorporates internal temperature compensation and a nearly zero magnetic hysteresis, enhancing its reliability and performance over a range of operating conditions. This makes it ideal for use in industrial, automotive, and consumer applications that require precise and isolated current measurement.

Equivalent

The ACS733KLATR-40AB-T is a Hall-effect current sensor. Equivalent products include the Allegro ACS712 series, ACS723 series, Texas Instruments INA250, and Honeywell CSLA2CD. Each has specific variations in range, isolation, and sensitivity, so selection depends on the required specifications. Always verify compatibility based on your exact design needs and parameters.

Features

The ACS733KLATR-40AB-T is a current sensor IC designed by Allegro MicroSystems. Key features include:
1. Current Sensing: It offers bidirectional current sensing up to ±40A, suitable for both AC and DC currents.
2. Isolation: Provides high electrical isolation with a galvanic isolation barrier, making it ideal for applications requiring isolation from high voltages.
3. Analog Output: Delivers an analog voltage output that is proportional to the sensed current, allowing for easy interfacing with microcontrollers or other analog-to-digital converters.
4. Accuracy: Known for high accuracy and stability over temperature variations, ensuring reliable performance in different environments.
5. Response Time: Features a fast response time, making it suitable for dynamic current sensing applications.
6. Package: Comes in a compact surface-mount package, facilitating easy integration into circuit boards.
7. Temperature Range: Operates effectively over a wide temperature range, from -40°C to +125°C.
These features make it suitable for applications like motor control, power monitoring, and automotive systems.

Pinout

The ACS733KLATR-40AB-T is a Hall-effect current sensor IC from Allegro MicroSystems. This device is designed to measure both AC and DC currents and provides an analog voltage output proportional to the sensed current.
The ACS733KLATR-40AB-T comes in a small, surface-mount SOIC-8 package, which means it has 8 pins. The key functions of these pins are as follows:
1. VCC: Power supply pin for the device.
2. GND: Ground pin.
3. VIOUT: Analog output pin that provides a voltage proportional to the sensed current.
4. FILTER: External filter capacitor connection for bandwidth adjustment.
5. IP+: Positive current input terminal.
6. IP-: Negative current input terminal.
7 & 8. NC (No Connect): Typically not used in the application.
The ACS733KLATR-40AB-T is designed for applications requiring high accuracy and reliability in current sensing, such as in motor control, power conversion, and load detection.

Manufacturer

The ACS733KLATR-40AB-T is manufactured by Allegro MicroSystems. Allegro MicroSystems is a company that specializes in developing and manufacturing high-performance power and sensing solutions. It focuses on providing innovative products for the automotive, industrial, and consumer electronics markets. Allegro is known for its expertise in magnetic sensor integrated circuits (ICs) and power ICs, which are used in a variety of applications, including motor control, energy-efficient systems, and safety devices. The company has a reputation for delivering reliable and precise sensor technologies, making it a key player in the semiconductor industry.

Application

The ACS733KLATR-40AB-T is a Hall-effect-based current sensor IC used in various applications. Key areas include:
1. Industrial Automation: Monitoring and controlling current in machinery and robotics.
2. Automotive Systems: Managing battery charging and discharging, and monitoring motor currents.
3. Renewable Energy: Used in solar inverters and wind energy systems for current monitoring.
4. Consumer Electronics: Power supply monitoring and protection in appliances.
5. Power Management: Current sensing in uninterruptible power supplies (UPS) and power distribution units.
Its ability to provide high-accuracy current measurement in a compact form makes it suitable for these and other applications requiring precise current monitoring and control.

Package

The ACS733KLATR-40AB-T is a Hall-effect current sensor IC in a surface-mount SOIC-8 package. This package is designed for easy integration onto PCBs and is commonly used in applications requiring current sensing in compact form factors.

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