規格
| 屬性 | 價值 |
| Package / Case | Tape & Reel (TR) |
| Series | Automotive, AEC-Q100 |
| Part Status | Active |
| For Measuring | DC |
| Sensor Type | Hall Effect, Differential |
| Current - Sensing | 20A |
| Number of Channels | 1 |
| Output | Ratiometric, Voltage |
| Sensitivity | 132mV/A |
| Frequency | DC ~ 120kHz |
| Linearity | ±1.5% |
| Accuracy | ±0.8% |
| Voltage - Supply | 3V ~ 3.6V |
| Response Time | 4µs |
| Current - Supply (Max) | 14mA |
| Operating Temperature | -40°C ~ 150°C |
| Polarization | Unidirectional |
| Mounting Type | Surface Mount |
概述
Description
The ACS725LLCTR-20AU-T is a high-precision Hall-effect current sensor IC manufactured by Allegro MicroSystems. It is designed for AC and DC current sensing applications and features a wide operating voltage range and high accuracy. This sensor can measure currents up to ±20A and provides an analog output voltage proportional to the sensed current.
Key features include galvanic isolation, which enhances safety by isolating the sensing circuitry from the high-power system. The device offers a small footprint, making it suitable for compact designs, and operates over a broad temperature range, ensuring reliability in various environments. With a fast response time, it is suitable for dynamic current sensing applications.
The ACS725LLCTR-20AU-T is often used in industrial and automotive applications, including motor control, power monitoring, and overcurrent protection. Its ease of integration and robust performance make it a popular choice for designers looking to implement precise current sensing in their systems.
Key features include galvanic isolation, which enhances safety by isolating the sensing circuitry from the high-power system. The device offers a small footprint, making it suitable for compact designs, and operates over a broad temperature range, ensuring reliability in various environments. With a fast response time, it is suitable for dynamic current sensing applications.
The ACS725LLCTR-20AU-T is often used in industrial and automotive applications, including motor control, power monitoring, and overcurrent protection. Its ease of integration and robust performance make it a popular choice for designers looking to implement precise current sensing in their systems.
Equivalent
The ACS725LLCTR-20AU-T is a Hall-effect current sensor. Equivalent products include the ACS723 series from Allegro Microsystems, the TLI4970 from Infineon Technologies, and the LEM LF xx10 series. These alternatives vary in specifications like current range and sensitivity, so it's essential to verify their suitability based on your application's specific requirements. Always check the datasheets for compatibility in terms of electrical characteristics and mechanical dimensions.
Features
The ACS725LLCTR-20AU-T is a Hall-effect-based linear current sensor IC designed for AC or DC current sensing in industrial, commercial, and communication systems. Key features include:
1. Current Range: It handles a continuous current range of ±20 A with a sensitivity of 100 mV/A.
2. Accuracy: The sensor offers high accuracy and stability with a typical total output error of ±1.5% at room temperature.
3. Bandwidth: It provides a bandwidth of up to 120 kHz.
4. Isolation: The device includes a galvanic isolation of up to 2.4 kV RMS, enhancing safety for high-voltage system monitoring.
5. Supply Voltage: It operates with a single 3.3 V supply.
6. Output: The sensor provides an analog output voltage that is proportional to the measured current.
7. Package: Comes in an SOIC8 package, which is compact for easy integration.
8. Operating Temperature: Supports a wide temperature range from -40°C to 150°C.
These features make the ACS725LLCTR-20AU-T ideal for precision current sensing applications with stringent accuracy, isolation, and space requirements.
1. Current Range: It handles a continuous current range of ±20 A with a sensitivity of 100 mV/A.
2. Accuracy: The sensor offers high accuracy and stability with a typical total output error of ±1.5% at room temperature.
3. Bandwidth: It provides a bandwidth of up to 120 kHz.
4. Isolation: The device includes a galvanic isolation of up to 2.4 kV RMS, enhancing safety for high-voltage system monitoring.
5. Supply Voltage: It operates with a single 3.3 V supply.
6. Output: The sensor provides an analog output voltage that is proportional to the measured current.
7. Package: Comes in an SOIC8 package, which is compact for easy integration.
8. Operating Temperature: Supports a wide temperature range from -40°C to 150°C.
These features make the ACS725LLCTR-20AU-T ideal for precision current sensing applications with stringent accuracy, isolation, and space requirements.
Pinout
The ACS725LLCTR-20AU-T is a Hall-effect-based linear current sensor from Allegro MicroSystems. It comes in a compact SOIC-8 package, which means it has 8 pins. The sensor is designed for applications requiring current sensing with a digital output.
Key functions include:
1. Supply Voltage (VCC): Provides power to the sensor.
2. Output (VOUT): Provides an analog voltage output that is proportional to the sensed current.
3. Ground (GND): Ground reference for the device.
4. IP+ and IP-: Current path terminals through which the current to be measured flows.
5. Filter pin: Allows connection of an external capacitor for bandwidth adjustment.
The ACS725LLCTR-20AU-T is used for both AC and DC current sensing in industrial, commercial, and communications systems. It offers high accuracy, low noise, and a fast response time, making it suitable for applications like motor control, load detection and management, and overcurrent fault protection.
Key functions include:
1. Supply Voltage (VCC): Provides power to the sensor.
2. Output (VOUT): Provides an analog voltage output that is proportional to the sensed current.
3. Ground (GND): Ground reference for the device.
4. IP+ and IP-: Current path terminals through which the current to be measured flows.
5. Filter pin: Allows connection of an external capacitor for bandwidth adjustment.
The ACS725LLCTR-20AU-T is used for both AC and DC current sensing in industrial, commercial, and communications systems. It offers high accuracy, low noise, and a fast response time, making it suitable for applications like motor control, load detection and management, and overcurrent fault protection.
Manufacturer
The ACS725LLCTR-20AU-T is manufactured by Allegro MicroSystems. Allegro MicroSystems is a company that specializes in the design and manufacture of high-performance power and sensing semiconductors. They provide solutions for a variety of applications, primarily focusing on automotive, industrial, consumer, and communication markets. Allegro's product portfolio includes devices for motor driver and control, magnetic field sensing, current sensing, and power management. The company is known for its innovative technology and leadership in the development of sensor integrated circuits.
Application
The ACS725LLCTR-20AU-T is a Hall-effect-based linear current sensor IC designed for applications requiring precise current measurement and monitoring. Its primary application areas include:
1. Motor Control: For monitoring current in motor drives, ensuring efficient and safe operation.
2. Power Supply Management: Used in DC-DC converters and power supplies for current sensing and protection.
3. Overcurrent Protection: In various electronic circuits to prevent damage due to excessive current.
4. Battery Management Systems: For accurate current monitoring in charging and discharging cycles.
5. Renewable Energy Systems: Such as solar inverters and wind turbines, for efficient energy management.
These applications benefit from its high accuracy, low noise, and isolation features.
1. Motor Control: For monitoring current in motor drives, ensuring efficient and safe operation.
2. Power Supply Management: Used in DC-DC converters and power supplies for current sensing and protection.
3. Overcurrent Protection: In various electronic circuits to prevent damage due to excessive current.
4. Battery Management Systems: For accurate current monitoring in charging and discharging cycles.
5. Renewable Energy Systems: Such as solar inverters and wind turbines, for efficient energy management.
These applications benefit from its high accuracy, low noise, and isolation features.
Package
The ACS725LLCTR-20AU-T is packaged in a SOIC-8 (Small Outline Integrated Circuit) type.
