ACS725LLCTR-40AB-T

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ACS725LLCTR-40AB-T

+Nomenclature

SENSOR CURRENT HALL 40A 8SOIC

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Spécifications

Attribut Valeur
PartStatus Active
ForMeasuring AC/DC
SensorType Hall Effect, Differential
Current-Sensing 40A
NumberofChannels 1
Output Ratiometric, Voltage
Sensitivity 33mV/A
Frequency DC ~ 120kHz
Linearity ±1.5%
Accuracy ±1%
Voltage-Supply 3V ~ 3.6V
ResponseTime 4µs
Current-Supply(Max) 14mA
OperatingTemperature -40°C ~ 150°C
Polarization Bidirectional
MountingType Surface Mount
Package/Case 8-SOIC (0.154", 3.90mm Width)
SupplierDevicePackage 8-SOIC
BaseProductNumber ACS725
Grade Automotive
Qualification AEC-Q100

Présentation

Description

The ACS725LLCTR-40AB-T is a high-precision, hall-effect current sensor designed for accurate current sensing in a variety of applications. It features a 40A sensing range and offers a low-noise output, making it suitable for industrial, automotive, and consumer electronic applications. The device operates on a supply voltage of 3.0V to 5.5V and provides an analog output proportional to the sensed current, enabling easy integration with microcontrollers and other processing units.
Key features include excellent linearity, low temperature drift, and high immunity to external magnetic fields. The ACS725 is also designed with safety in mind, featuring isolation between the current-carrying conductor and the sensor circuitry, thereby ensuring user safety and protecting sensitive components. Its compact package allows for easy integration into various designs. Overall, the ACS725LLCTR-40AB-T is a reliable choice for real-time current monitoring and management in multiple electronic systems.

Equivalent

The ACS725LLCTR-40AB-T is a current sensor IC. Equivalent products include the ACS712, ACS758, and INA219, which also measure current but differ in specifications such as current range, sensitivity, and output type. Ensure to check specific datasheets for compatibility with your application.

Features

The ACS725LLCTR-40AB-T is a Hall-effect current sensor designed for accurate current measurement in various applications. Key features include:
1. Current Sensing: It provides a wide sensing range of ±40A, allowing for monitoring of both AC and DC currents.
2. Output Voltage: The sensor outputs an analog voltage proportional to the sensed current, typically 66 mV/A sensitivity.
3. Isolation: Offers electrical isolation between the high-voltage circuit and the measurement side, ensuring safe operation in high-voltage environments.
4. Low Noise: Features low total output error and low noise operation, enhancing measurement accuracy.
5. Supply Voltage: Operates on a supply voltage range of 3.0V to 5.5V, making it versatile for various power supply designs.
6. Package Type: Comes in a compact surface-mount package, facilitating easy integration into designs with space constraints.
These attributes make the ACS725LLCTR-40AB-T suitable for applications in power monitoring, motor control, and overcurrent protection systems.

Pinout

The ACS725LLCTR-40AB-T is a Hall-effect current sensor from Allegro Microsystems. It features a total of 8 pins.
Pin Functions:
1. VDD (Pin 1): Supply voltage input.
2. GND (Pin 2): Ground connection.
3. OUT (Pin 3): Analog output voltage proportional to the current being sensed.
4. CSN (Pin 4): Current sense negative input (used for differential measurement).
5. CSP (Pin 5): Current sense positive input (used for differential measurement).
6. RNG (Pin 6): Range select pin, used to set the measurement range.
7. DOUT (Pin 7): Digital output for fault detection or status.
8. N/C (Pin 8): Not connected.
This sensor is typically used for measuring AC or DC currents in various applications, providing an isolated output that is linear with respect to the current flowing through its sensing element.

Manufacturer

The ACS725LLCTR-40AB-T is manufactured by Allegro Microsystems, a company specializing in the design and manufacture of high-performance semiconductors. Allegro focuses primarily on sensing and power management solutions, providing innovative products for various applications, including automotive, industrial, and consumer electronics. Their offerings encompass a range of sensing technologies, including Hall-effect sensors and current sensors, which are widely used in motor control, power monitoring, and safety systems. Founded in 1990 and headquartered in Manchester, New Hampshire, Allegro has established itself as a leader in the semiconductor industry by emphasizing quality, reliability, and cutting-edge technology.

Application

The ACS725LLCTR-40AB-T is a high-precision current sensor used in various applications, including industrial automation, motor control, power monitoring, and energy management systems. It is suitable for AC and DC current sensing, making it ideal for applications like electric vehicles, battery management systems, and renewable energy systems. Additionally, it can be utilized in home appliances, smart grid technology, and HVAC systems to enhance energy efficiency and provide real-time monitoring. Its compact design and high accuracy make it versatile for integration into different electronic devices and systems.

Package

The ACS725LLCTR-40AB-T is housed in a surface-mount package type, specifically the SOIC-8 (Small Outline Integrated Circuit) package. This allows for easy integration into various electronic applications, providing a compact footprint for sensor and current sensing functionality.

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