ACS725LLCTR-50AB-S

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ACS725LLCTR-50AB-S

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3.3V VCC ISOLATED CURRENT SENSOR

  • FabricanteAllegro MicroSystems

  • Peça do Fabricante #ACS725LLCTR-50AB-S

  • Em Estoque20119

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Especificações

Atributo Valor
Part Status Active
For Measuring AC/DC
Sensor Type Hall Effect, Differential
Current - Sensing ±50A
Number of Channels 1
Output Ratiometric, Voltage
Sensitivity 26.4mV/A
Frequency DC ~ 120kHz
Linearity ±1.5%
Accuracy ±4%
Voltage - Supply 3V ~ 3.6V
Response Time 4µs
Current - Supply (Max) 14mA
Operating Temperature -40°C ~ 150°C
Grade Automotive
Qualification AEC-Q100
Polarization Bidirectional
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC

Visão Geral

Description

The ACS725LLCTR-50AB-S is a Hall-effect-based linear current sensor IC designed by Allegro MicroSystems. It provides a precise and cost-effective solution for measuring AC and DC currents in various applications. This sensor offers an output voltage that is proportional to the sensed current, making it suitable for various applications such as motor control, load detection, and overcurrent protection.
Key features include a wide sensing range of up to ±50A, high accuracy, and fast response time. It operates with a single supply voltage, typically 3.3V or 5V, and includes integrated protection features like overcurrent fault detection, enhancing reliability and safety in applications. The sensor’s compact surface-mount package (SOIC8) allows for ease of integration into PCB designs.
With its low-noise analog signal path and robust performance in harsh environments, the ACS725LLCTR-50AB-S is ideal for use in industrial, automotive, and consumer electronics where efficient current monitoring is needed.

Equivalent

The ACS725LLCTR-50AB-S is a Hall effect-based linear current sensor IC from Allegro MicroSystems. Equivalent products can include similar Hall effect current sensors from other manufacturers, such as the ACS712 series, ACS770 series, or Texas Instruments' INA219. These products should be evaluated for specific features like current range, sensitivity, and isolation voltage to ensure they meet your application requirements. Always check the datasheets for compatibility.

Features

The ACS725LLCTR-50AB-S is a current sensor IC designed by Allegro MicroSystems. It features a high bandwidth of 120 kHz and provides an analog output signal, which is proportional to the sensed current. This sensor is optimized for measuring both AC and DC currents up to ±50 A. It offers excellent accuracy and linearity over the entire input range. The device operates over a wide temperature range from -40°C to +150°C, making it suitable for automotive and industrial applications. It contains a galvanically isolated conductor path, ensuring safe signal isolation up to 4800 Vrms. The ACS725LLCTR-50AB-S is housed in a compact SOIC8 package, which is ideal for space-constrained applications. It also features a low resistance conduction path, reducing power loss to enhance efficiency. Additionally, the sensor includes built-in protection against over-current conditions. Overall, this current sensor IC provides a reliable and high-performance solution for current sensing applications.

Pinout

The ACS725LLCTR-50AB-S is a Hall-effect-based current sensor IC with a total of 8 pins. It is designed to measure both AC and DC currents. Here's a brief overview of its pin functions:
1. Pin 1 (VCC): Supply voltage pin. Typically connected to a positive supply voltage.
2. Pin 2 (NC): No connection; not used.
3. Pin 3 (FILTER): A pin used to connect an external capacitor to set the bandwidth of the device.
4. Pin 4 (OUTPUT): Provides the output voltage proportional to the sensed current.
5. Pin 5 (GND): Ground pin; should be connected to the system ground.
6. Pin 6 (NC): No connection; not used.
7. Pin 7 (IP+): Positive current input; connects to the conductor carrying the current to be measured.
8. Pin 8 (IP-): Negative current input; connects to the return path of the conductor.
This current sensor IC is used in applications requiring high accuracy and isolation, such as motor control, load detection, and overcurrent protection.

Manufacturer

The ACS725LLCTR-50AB-S is manufactured by Allegro MicroSystems. Allegro MicroSystems is a company that specializes in developing, manufacturing, and marketing high-performance power and sensing semiconductor integrated circuits. Their products are widely used in the automotive, communications, computer/office automation, consumer, and industrial markets. Allegro focuses on providing innovative solutions in motion control and energy-efficient systems, leveraging its expertise in sensor and analog technology.

Application

The ACS725LLCTR-50AB-S is a current sensor IC used primarily for measuring AC and DC currents. Its applications include:
1. Industrial Systems: Monitoring and controlling current in industrial equipment.
2. Automotive: Managing current in battery management systems and electric power steering.
3. Consumer Electronics: Protecting circuits in appliances and power tools.
4. Renewable Energy: Monitoring current flow in solar inverters and wind turbines.
5. HVAC Systems: Ensuring efficient operation by tracking current usage.
6. Power Supplies: Over-current protection for switched-mode power supplies.
These sensors are favored for their accuracy, reliability, and compact size, making them versatile in various electronic and electrical systems.

Package

The ACS725LLCTR-50AB-S is a Hall-effect-based linear current sensor IC in a compact, surface-mount SOIC-8 package.

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