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ACS71240KEXBLT-030B3

Name: ACS71240KEXBLT-030B3
Rating: 4.7 (12 reviews)

SENSOR CURRENT HALL 30A 12PWRQFN

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資料表 ACS71240KEXBLT-030B3 DataSheet
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規格

Part Status	Active
For Measuring	AC/DC
Sensor Type	Hall Effect, Open Loop
Current - Sensing	30A
Number of Channels	1
Output	Voltage
Sensitivity	44mV/A
Frequency	120kHz
Linearity	±1%
Accuracy	±6%
Voltage - Supply	3V ~ 3.6V
Response Time	4µs
Current - Supply (Max)	12mA
Operating Temperature	-40°C ~ 125°C
Polarization	Bidirectional
Mounting Type	Surface Mount
Package / Case	12-PowerWFQFN
Base Product Number	ACS712
Grade	Automotive
Qualification	AEC-Q100

概述

Description

The ACS71240KEXBLT-030B3 is a Hall-effect current sensor designed for measuring AC and DC currents. It provides an isolated output proportional to the current flowing through its conductor. This particular model supports a maximum current sensing range of ±40 A, making it suitable for a variety of applications including motor control, power monitoring, and battery management systems.
Key features include a low resistance shunt, which minimizes power loss, and an integrated circuit that allows for easy interfacing with microcontrollers and other electronic systems. The device operates over a wide supply voltage range and offers galvanic isolation between the high-current circuit and the measuring circuit, enhancing safety and reliability.
With its compact design, the ACS712 sensor is ideal for space-constrained applications, and it is widely used in both industrial and consumer electronics for real-time current monitoring. Its output can be easily calibrated to ensure accurate measurements in various conditions.

Features

The ACS71240KEXBLT-030B3 is a Hall-effect current sensor designed for measuring AC and DC currents. Key features include:
1. Current Sensing Range: Supports up to ±40A current measurement.
2. Output: Provides an analog output voltage proportional to the sensed current, with a sensitivity of 66mV/A.
3. Supply Voltage: Operates with a voltage supply of 5V ±10%, making it compatible with most microcontrollers.
4. Isolation: Offers electrical isolation of up to 2.1kV, ensuring safe operation in high-voltage environments.
5. Response Time: Fast response time of approximately 5µs, suitable for dynamic current measurements.
6. Compact Design: Integrated circuit package, allowing for easy integration into various applications.
7. Temperature Range: Operates effectively over a temperature range of -40°C to +85°C.
This sensor is ideal for applications including power monitoring, motor control, and battery management systems.

Package

The ACS71240KEXBLT-030B3 is packaged in a surface-mount SOIC-8 (8-lead Small Outline Integrated Circuit) package. This compact design facilitates easy integration into various electronic circuits for current sensing applications.

Pinout

The ACS71240KEXBLT-030B3 is a current sensor from Allegro Microsystems designed for measuring AC and DC currents. It features a total of 5 pins.
1. Vout: Analog output voltage proportional to the measured current.
2. SENSE: Current sensing input where the current to be measured flows through.
3. GND: Ground reference for the device.
4. Vcc: Supply voltage input for powering the device, typically between 4.5V to 5.5V.
5. NC (No Connect): Not used; this pin is not connected internally.
The ACS712 operates based on the Hall effect, providing isolation and high precision for current measurement applications.

Manufacturer

The ACS71240KEXBLT-030B3 is manufactured by Allegro Microsystems, LLC. Allegro is a semiconductor company that specializes in sensing and power conversion solutions. They are known for designing and manufacturing integrated circuits (ICs) that are widely used in automotive, industrial, and consumer electronics applications. Their products include current sensors, position sensors, and power management ICs, which are essential for various electronic devices and systems. Allegro is recognized for its innovative technology and commitment to high-quality performance in the semiconductor industry.

Application

The ACS71240KEXBLT-030B3 is a Hall-effect current sensor used for various applications, including electric motor control, power monitoring in appliances, battery management systems, renewable energy systems, and electric vehicle systems. It provides isolation and accurate current measurements, making it suitable for industrial automation, consumer electronics, and IoT applications where current sensing is critical for performance and safety.

Equivalent

The ACS71240KEXBLT-030B3 chip is a current sensor that measures up to 40A. Equivalent products include the ACS712-40A, ACS758, and INA219. For similar specifications, consider the ACS713 for different current ranges or the Allegro ACS770 for higher accuracy.