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ACS71240LLCBTR-045B5

Name: ACS71240LLCBTR-045B5
Rating: 4.7 (12 reviews)

SENSOR CURRENT HALL 45A 8SOIC

제조업체
Mfr.부분 #ACS71240LLCBTR-045B5
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사양

Part Status	Active
For Measuring	AC/DC
Sensor Type	Hall Effect, Open Loop
Current - Sensing	45A
Number of Channels	1
Output	Voltage
Sensitivity	44.4mV/A
Frequency	120kHz
Linearity	±1%
Accuracy	±6%
Voltage - Supply	4.5V ~ 5.5V
Response Time	4µs
Current - Supply (Max)	12mA
Operating Temperature	-40°C ~ 150°C
Polarization	Bidirectional
Mounting Type	Surface Mount
Package / Case	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package	8-SOIC
Base Product Number	ACS712
Grade	Automotive
Qualification	AEC-Q100

개요

Description

The ACS71240LLCBTR-045B5 is a current sensor IC designed for measuring AC and DC currents. It utilizes Hall effect technology, providing electrical isolation between the measured current and the output signal. This device can measure up to 40A of current with a sensitivity of 66mV/A, making it suitable for various applications, including motor control, battery management, and power monitoring.
The sensor provides an analog voltage output that corresponds to the sensed current, allowing for easy integration with microcontrollers and other analog processing systems. It operates on a supply voltage of 5V and features a low noise output, enhancing measurement accuracy.
The ACS712 is particularly notable for its built-in overcurrent protection and compact design, facilitating easier integration into various electronic systems. Its versatility and reliability make it a popular choice among engineers and hobbyists for current sensing applications.

Features

The ACS71240LLCBTR-045B5 is a current sensor IC specifically designed for measuring AC and DC currents. Key features include:
1. Current Sensing Range: It provides a sensing range of ±40A, making it suitable for high-current applications.
2. Voltage Supply: Operates on a supply voltage ranging from 5V to 12V.
3. Output Type: The device features an analog output voltage proportional to the sensed current, enabling easy interfacing with microcontrollers or ADCs.
4. Hall Effect Technology: Utilizes Hall effect technology for accurate current sensing without direct electrical contact, ensuring safety and isolation.
5. Low Noise: Offers low noise performance, enhancing measurement accuracy.
6. Small Package Size: Available in a compact surface-mount package, facilitating integration into tight spaces on PCBs.
7. Isolation: Provides electrical isolation between the high-power circuit and the low-power control circuit.
This sensor is ideal for applications in power monitoring, motor control, and energy management systems.

Package

The ACS71240LLCBTR-045B5 is packaged in a thin, surface-mount package known as a SOIC-8 (Small Outline Integrated Circuit) with a 0.15-inch width. This package type allows for efficient thermal dissipation and space-saving on PCBs.

Pinout

The ACS71240LLCBTR-045B5 is a current sensor IC with a total of 5 pins. The pin functions are as follows:
1. VCC - Power supply input (typically 5V).
2. GND - Ground reference.
3. OUT - Analog voltage output that corresponds to the current being measured (typically centered around VCC/2 when no current flows).
4. IP+ - Positive input for the current sensing; connected to the load.
5. IP- - Negative input for the current sensing; connected to ground or the system return.
This device is designed to measure current in applications with a measurement range of ±40A, providing an analog output proportional to the measured current. The ACS712 series is typically used in power monitoring and control applications.

Manufacturer

The ACS71240LLCBTR-045B5 is manufactured by Allegro Microsystems, a company specializing in designing and manufacturing semiconductor solutions. Allegro focuses on a range of applications, including automotive, industrial, and consumer markets, offering products such as Hall-effect sensors, power ICs, and magnetic sensors. Their technologies are widely used for current sensing, motor control, and power management solutions, contributing to advancements in energy efficiency and performance in various electronic applications.

Application

The ACS71240LLCBTR-045B5 is a Hall-effect current sensor primarily used in applications such as power monitoring, motor control, battery management systems, and overcurrent protection. It provides precise current sensing in automotive, industrial, and consumer electronics, enabling efficiency improvements and safety monitoring in devices like power supplies, inverters, and electrical appliances.

Equivalent

The ACS71240LLCBTR-045B5 is a current sensor IC. Equivalent products include the ACS712-05B, ACS712-20A, and ACS711 (various models), which also provide current sensing capabilities. Other alternatives may include INA219, INA226, or similar current sensing chips from manufacturers like Texas Instruments and Allegro MicroSystems. Always check specifications for compatibility.