仕様
| 属性 | 値 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Series | Automotive, AEC-Q100 |
| Part Status | Active |
| For Measuring | AC/DC |
| Sensor Type | Hall Effect, Open Loop |
| Current - Sensing | 50A |
| Number of Channels | 1 |
| Output | Voltage |
| Sensitivity | 80mV/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 (TA) |
| Polarization | Unidirectional |
| Mounting Type | Surface Mount |
概要
Description
The ACS71240LLCBTR-050U5 is a Hall-effect current sensor IC manufactured by Allegro MicroSystems. It is designed to provide precise and reliable current sensing in both AC and DC applications. This device features an integrated conductor, allowing for easy implementation in various electronic circuits. It offers a current sensing range of up to 50A, making it suitable for a wide range of applications.
Key features of the ACS71240LLCBTR-050U5 include high accuracy, low noise, and an internal galvanic isolation capability, which ensures safety and protection against voltage spikes. The sensor outputs an analog voltage proportional to the sensed current, which can be easily interfaced with microcontrollers and other data acquisition systems for monitoring and analysis.
The chip operates on a single 5V power supply and is housed in a compact surface-mount package, making it ideal for space-constrained designs. It is widely used in applications such as motor control, power supply units, and battery management systems, where precise current measurement is crucial for performance and safety.
Key features of the ACS71240LLCBTR-050U5 include high accuracy, low noise, and an internal galvanic isolation capability, which ensures safety and protection against voltage spikes. The sensor outputs an analog voltage proportional to the sensed current, which can be easily interfaced with microcontrollers and other data acquisition systems for monitoring and analysis.
The chip operates on a single 5V power supply and is housed in a compact surface-mount package, making it ideal for space-constrained designs. It is widely used in applications such as motor control, power supply units, and battery management systems, where precise current measurement is crucial for performance and safety.
Equivalent
The ACS71240LLCBTR-050U5 is a Hall-effect current sensor. Equivalent products include:
1. Allegro ACS723 - Similar Hall-effect current sensor with different specifications.
2. Honeywell CSLA2DK - Linear current sensor with Hall-effect technology.
3. Tamura L18P055D15 - A current sensor module with similar functionality.
4. Texas Instruments INA250 - Integrated current sensor with differences in design and features.
Each of these alternatives may have varying specifications, so it’s important to compare them based on your specific requirements.
1. Allegro ACS723 - Similar Hall-effect current sensor with different specifications.
2. Honeywell CSLA2DK - Linear current sensor with Hall-effect technology.
3. Tamura L18P055D15 - A current sensor module with similar functionality.
4. Texas Instruments INA250 - Integrated current sensor with differences in design and features.
Each of these alternatives may have varying specifications, so it’s important to compare them based on your specific requirements.
Features
The ACS71240LLCBTR-050U5 is a precision current sensor designed for AC and DC current sensing applications. Key features include:
1. High Accuracy: Provides precise current measurements with a typical total output error of ±1.5% at room temperature.
2. Wide Sensing Range: Capable of measuring currents up to ±50A.
3. Isolation: Features galvanic isolation up to 2400 VRMS, which enhances safety and reliability in high-voltage applications.
4. Integrated Hall Sensor: Utilizes a Hall-effect sensor for non-intrusive current sensing.
5. Low Noise: Outputs a low-noise analog voltage proportional to the sensed current.
6. Wide Supply Voltage Range: Operates effectively across a supply voltage range of 3.3V to 5V.
7. Fast Response Time: Offers a bandwidth of up to 80 kHz for dynamic current monitoring.
8. Temperature Stability: Maintains consistent performance over a wide temperature range from -40°C to 125°C.
9. Small Footprint: Housed in a compact surface-mount package, making it suitable for space-constrained applications.
The ACS71240LLCBTR-050U5 is ideal for motor control, load detection, and overcurrent protection in industrial and consumer electronics.
1. High Accuracy: Provides precise current measurements with a typical total output error of ±1.5% at room temperature.
2. Wide Sensing Range: Capable of measuring currents up to ±50A.
3. Isolation: Features galvanic isolation up to 2400 VRMS, which enhances safety and reliability in high-voltage applications.
4. Integrated Hall Sensor: Utilizes a Hall-effect sensor for non-intrusive current sensing.
5. Low Noise: Outputs a low-noise analog voltage proportional to the sensed current.
6. Wide Supply Voltage Range: Operates effectively across a supply voltage range of 3.3V to 5V.
7. Fast Response Time: Offers a bandwidth of up to 80 kHz for dynamic current monitoring.
8. Temperature Stability: Maintains consistent performance over a wide temperature range from -40°C to 125°C.
9. Small Footprint: Housed in a compact surface-mount package, making it suitable for space-constrained applications.
The ACS71240LLCBTR-050U5 is ideal for motor control, load detection, and overcurrent protection in industrial and consumer electronics.
Pinout
The ACS71240LLCBTR-050U5 is a Hall-effect-based linear current sensor IC designed to measure AC and DC currents. It is part of the ACS71240 series by Allegro MicroSystems. This particular model is designed for applications requiring high accuracy and is known for its low noise performance.
The device comes in an SOIC-8 package, which means it has 8 pins. The pin functions are generally as follows:
1. VCC: Supply voltage pin for powering the sensor.
2. GND: Ground pin for providing the return path for the supply current.
3. VIOUT: Analog output voltage pin that provides a voltage proportional to the current flowing through the sensor.
4. FILTER: Pin used to connect an external capacitor for bandwidth filtering.
5. FAULT: Fault output pin used to indicate sensor errors or out-of-range conditions.
6. NC (No Connect): Some pins may be marked as No Connect and should not be connected to any voltage.
7. NC: Another No Connect pin.
8. NC: Another No Connect pin.
Please consult the datasheet or manufacturer's documentation for precise pin functions and circuit design guidelines.
The device comes in an SOIC-8 package, which means it has 8 pins. The pin functions are generally as follows:
1. VCC: Supply voltage pin for powering the sensor.
2. GND: Ground pin for providing the return path for the supply current.
3. VIOUT: Analog output voltage pin that provides a voltage proportional to the current flowing through the sensor.
4. FILTER: Pin used to connect an external capacitor for bandwidth filtering.
5. FAULT: Fault output pin used to indicate sensor errors or out-of-range conditions.
6. NC (No Connect): Some pins may be marked as No Connect and should not be connected to any voltage.
7. NC: Another No Connect pin.
8. NC: Another No Connect pin.
Please consult the datasheet or manufacturer's documentation for precise pin functions and circuit design guidelines.
Manufacturer
The ACS71240LLCBTR-050U5 is manufactured by Allegro MicroSystems. Allegro MicroSystems is a company specializing in the development and production of high-performance semiconductors. They focus on providing innovative solutions for motion control and energy-efficient systems in a variety of industries, including automotive, industrial, and consumer markets. Their product offerings typically include magnetic sensor ICs, power ICs, and photonic and optical sensing solutions. Allegro is known for its expertise in sensor technologies and power management, making it a prominent player in the semiconductor industry.
Application
The ACS71240LLCBTR-050U5 is a Hall-effect current sensor IC used for precise current sensing applications. Key application areas include:
1. Power Supply and Load Monitoring: Used in power supplies for monitoring current levels.
2. Motor Control: Provides feedback for motor speed and torque control in industrial and consumer applications.
3. Battery Management Systems: Ensures safe charging and discharging by monitoring current in battery-powered devices.
4. Overcurrent Protection: Helps in detecting overcurrent conditions in circuit protection schemes.
5. Renewable Energy Systems: Used in solar inverters and wind turbines for current measurement.
6. Automotive Systems: Monitors current in various automotive applications, including electric vehicles.
These applications benefit from the sensor's high accuracy and isolation capabilities.
1. Power Supply and Load Monitoring: Used in power supplies for monitoring current levels.
2. Motor Control: Provides feedback for motor speed and torque control in industrial and consumer applications.
3. Battery Management Systems: Ensures safe charging and discharging by monitoring current in battery-powered devices.
4. Overcurrent Protection: Helps in detecting overcurrent conditions in circuit protection schemes.
5. Renewable Energy Systems: Used in solar inverters and wind turbines for current measurement.
6. Automotive Systems: Monitors current in various automotive applications, including electric vehicles.
These applications benefit from the sensor's high accuracy and isolation capabilities.
Package
The ACS71240LLCBTR-050U5 is a current sensor IC designed for low power applications. It comes in a surface-mount SOIC-8 package, which is small, compact, and suitable for PCB mounting. This package type helps in efficient thermal management and reliable performance in various electronic applications.
