ACS712ELCTR-05B-T

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ACS712ELCTR-05B-T

+Nomenclature

SENSOR CURRENT HALL 5A AC/DC

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Spécifications

Attribut Valeur
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Not For New Designs
ForMeasuring AC/DC
SensorType Hall Effect, Open Loop
Current-Sensing 5A
NumberofChannels 1
Output Ratiometric, Voltage
Sensitivity 185mV/A
Frequency DC ~ 80kHz
Linearity ±1.5%
Accuracy ±1.5%
Voltage-Supply 5V
ResponseTime 5µs
Current-Supply(Max) 13mA
OperatingTemperature -40°C ~ 85°C
Polarization Bidirectional
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Présentation

Description

The ACS712ELCTR-05B-T is a Hall effect-based linear current sensor by Allegro Microsystems. It is designed to measure both AC and DC currents up to ±5 Amperes with high accuracy. The sensor operates with a supply voltage of 5V and outputs an analog voltage signal that is linearly proportional to the sensed current. It offers a sensitivity of 185 mV/A, meaning the output voltage changes by 185 millivolts for each ampere of current passing through the sensor.
This device is housed in a compact, surface-mount SOIC8 package, making it easy to integrate into various electronic designs. It also features internal galvanic isolation, allowing it to safely measure high-side currents without exposing the microcontroller to the high voltages present in the system.
The ACS712ELCTR-05B-T is widely used in applications like motor control, load detection, overcurrent protection, and power management systems due to its compact size, ease of use, and cost-effectiveness. The sensor's design allows for easy interfacing with microcontrollers and other digital systems.

Equivalent

Equivalent products to the ACS712ELCTR-05B-T current sensor include the ACS723 and ACS724 series from Allegro Microsystems, the INA219 from Texas Instruments, and the LTS 6-NP from LEM. These alternatives offer similar current sensing capabilities but may differ in features such as current range, sensitivity, or digital output. Always check the datasheet for specific requirements and compatibility.

Features

The ACS712ELCTR-05B-T is a current sensor module designed for sensing AC and DC currents. Key features include:
1. Current Sensing Range: It measures currents up to ±5A.
2. Output Voltage: Provides an analog output voltage proportional to the sensed current.
3. Sensitivity: Sensitivity is around 185 mV/A, allowing for precise current measurements.
4. Integrated Hall Effect Sensor: Utilizes a Hall effect sensor for isolation and accurate current measurement.
5. Supply Voltage: Operates on a supply voltage of 5V, making it compatible with most microcontrollers.
6. Low Noise Analog Signal Path: Ensures minimal interference and accurate readings.
7. Response Time: Quick response time of about 5 μs for dynamic measurements.
8. Small Footprint: Compact package with surface-mount technology, suited for space-constrained applications.
9. Isolation: Provides electrical isolation between the measured circuit and the output, enhancing safety.
10. Temperature Range: Operates within a temperature range of -40°C to 85°C, suitable for various environmental conditions.
These features make it ideal for applications in motor control, load detection, overcurrent fault protection, and power management systems.

Pinout

The ACS712ELCTR-05B-T is a current sensor IC from Allegro MicroSystems, designed to measure AC and DC currents. It has a pin count of 8. The key functions of its pins are as follows:
1. VCC (Pin 1): Power supply input. This pin powers the sensor, typically with a 5V supply.
2. OUT (Pin 2): Analog output. This pin provides a voltage output that is proportional to the measured current.
3. GND (Pins 3, 4, 5): Ground connections. These pins are connected to the ground reference of the circuit.
4. IP+ (Pin 6): Positive current input. Connects to the high side of the current path.
5. IP- (Pin 7): Negative current input. Connects to the low side of the current path.
6. NC (Pin 8): No connection. This pin is not used and should be left unconnected.
The ACS712ELCTR-05B-T can measure currents up to ±5A, with the output voltage changing linearly with the current. It is commonly used in applications like motor control, load detection, and overcurrent protection.

Manufacturer

The ACS712ELCTR-05B-T is manufactured by Allegro MicroSystems. Allegro MicroSystems is a company specializing in the design and production of advanced sensor and power integrated circuits. They focus on providing innovative solutions for motion control and energy-efficient systems, serving a wide range of industries including automotive, industrial, consumer, and renewable energy. The company is known for its expertise in developing high-performance Hall-effect sensor ICs, such as the ACS712, which are used for current sensing applications.

Application

The ACS712ELCTR-05B-T is a current sensor used in various applications that require precise current measurement. Key application areas include:
1. Power Monitoring: Used in energy meters and smart plugs for monitoring AC or DC current consumption.
2. Motor Control: Employed in industrial and consumer motor control systems for feedback and protection.
3. Battery Management Systems: Utilized in battery monitoring and charging systems to track current flow.
4. Solar Inverters: Helps in monitoring and managing current in solar power systems.
5. Overcurrent Protection: Incorporated in circuit protection devices to detect overcurrent conditions.
6. Home Appliances: Used in appliances to monitor and optimize power usage.
These applications benefit from the sensor’s accuracy, compact size, and isolation features.

Package

The ACS712ELCTR-05B-T is a Hall effect-based linear current sensor. It comes in an SOIC-8 surface-mount package. This package type is compact and suitable for PCB integration, making it ideal for current sensing in various electronic applications.

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