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ACS722LLCTR-20AU-T
+Lista de MateriaisSENSOR CURRENT HALL 20A DC
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FabricanteAllegro MicroSystems
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Peça do Fabricante #ACS722LLCTR-20AU-T
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Ficha Técnica ACS722LLCTR-20AU-T DataSheet
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Pacote SOIC-N-8
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Especificações
| Atributo | Valor |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| ForMeasuring | DC |
| SensorType | Hall Effect, Open Loop |
| Current-Sensing | 20A |
| NumberofChannels | 1 |
| Output | Ratiometric, Voltage |
| Sensitivity | 132mV/A |
| Frequency | DC ~ 80kHz |
| Linearity | ±1% |
| Accuracy | ±3% |
| Voltage-Supply | 3V ~ 3.6V |
| ResponseTime | 5µs |
| Current-Supply(Max) | 12mA |
| OperatingTemperature | -40°C ~ 150°C |
| Polarization | Unidirectional |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
Visão Geral
Description
The ACS722LLCTR-20AU-T is a Hall-effect current sensor developed by Allegro MicroSystems. It is designed to provide economical and precise AC or DC current sensing in industrial, automotive, and consumer applications. The sensor features a wide input current range of ±20A and outputs an analog voltage that is proportional to the detected current. It operates at a supply voltage of 3.3V or 5V, making it versatile for various systems.
Key features of the ACS722LLCTR-20AU-T include low noise, factory-trimmed accuracy, and high bandwidth operation up to 80 kHz, ensuring rapid response to fast current changes. It offers high isolation voltage of up to 2.1 kV, facilitating safe and reliable sensing in high-voltage environments. The device is housed in a compact, surface-mount SOIC8 package, allowing for easy integration into PCB designs. Its inherent safety and reliability, combined with its small form factor and high performance, make the ACS722LLCTR-20AU-T an attractive choice for current sensing in power conversion, motor control, and battery management applications.
Key features of the ACS722LLCTR-20AU-T include low noise, factory-trimmed accuracy, and high bandwidth operation up to 80 kHz, ensuring rapid response to fast current changes. It offers high isolation voltage of up to 2.1 kV, facilitating safe and reliable sensing in high-voltage environments. The device is housed in a compact, surface-mount SOIC8 package, allowing for easy integration into PCB designs. Its inherent safety and reliability, combined with its small form factor and high performance, make the ACS722LLCTR-20AU-T an attractive choice for current sensing in power conversion, motor control, and battery management applications.
Equivalent
The ACS722LLCTR-20AU-T chip is a Hall-effect based linear current sensor from Allegro MicroSystems. Equivalent products that offer similar functionality include:
1. ACS723 series from Allegro (with different current sensing ranges).
2. ACS712 series from Allegro for basic current sensing applications.
3. INA219 from Texas Instruments for current and power monitoring.
4. MAX471 from Maxim Integrated for simple high-side current sensing.
5. ACS758 series from Allegro for higher current applications.
Always verify specifications to ensure compatibility with your application.
1. ACS723 series from Allegro (with different current sensing ranges).
2. ACS712 series from Allegro for basic current sensing applications.
3. INA219 from Texas Instruments for current and power monitoring.
4. MAX471 from Maxim Integrated for simple high-side current sensing.
5. ACS758 series from Allegro for higher current applications.
Always verify specifications to ensure compatibility with your application.
Features
The ACS722LLCTR-20AU-T is a Hall-effect based linear current sensor IC from Allegro MicroSystems. Key features include:
1. Current Sensing Range: It can sense AC or DC currents up to ±20A.
2. Galvanic Isolation: Provides electrical isolation between the current sensor and the output.
3. Low-Resistance Conductor: It has an integrated low-resistance current conductor, which minimizes power loss.
4. Bandwidth: Offers a bandwidth of 80kHz, making it suitable for high-frequency applications.
5. Sensitivity: High sensitivity with a typical sensitivity of 66mV/A.
6. Accuracy: Features a total output error typically within 1% at room temperature.
7. Package: Available in a compact SOIC8 package, making it easy to integrate into PCB designs.
8. Single Supply Operation: Operates on a single 5V power supply.
9. Overcurrent Fault Output: Includes an overcurrent fault output for system protection.
10. Temperature Range: Operates within a temperature range of -40°C to 125°C, suitable for harsh environments.
These features make the ACS722LLCTR-20AU-T ideal for applications like motor control, load detection and management, power supply monitoring, and overcurrent fault protection.
1. Current Sensing Range: It can sense AC or DC currents up to ±20A.
2. Galvanic Isolation: Provides electrical isolation between the current sensor and the output.
3. Low-Resistance Conductor: It has an integrated low-resistance current conductor, which minimizes power loss.
4. Bandwidth: Offers a bandwidth of 80kHz, making it suitable for high-frequency applications.
5. Sensitivity: High sensitivity with a typical sensitivity of 66mV/A.
6. Accuracy: Features a total output error typically within 1% at room temperature.
7. Package: Available in a compact SOIC8 package, making it easy to integrate into PCB designs.
8. Single Supply Operation: Operates on a single 5V power supply.
9. Overcurrent Fault Output: Includes an overcurrent fault output for system protection.
10. Temperature Range: Operates within a temperature range of -40°C to 125°C, suitable for harsh environments.
These features make the ACS722LLCTR-20AU-T ideal for applications like motor control, load detection and management, power supply monitoring, and overcurrent fault protection.
Pinout
The ACS722LLCTR-20AU-T is a current sensor IC manufactured by Allegro MicroSystems. It is designed to provide economical and precise solutions for AC or DC current sensing in industrial, commercial, and communications systems. The device has a total of 8 pins.
Here is a brief overview of the pin functions:
1. VCC - Power supply pin for providing voltage to the IC.
2. GND - Ground pin.
3. FILTER - Pin used to connect an external capacitor to set the bandwidth of the device.
4. IP+ - Positive differential current input for connecting to the current path under measurement.
5. IP- - Negative differential current input for connecting to the current path.
6. VIOUT - Output voltage pin which provides an analog voltage proportional to the measured current.
7. NC - No Connect pin, not internally connected.
8. NC - No Connect pin, not internally connected.
The ACS722 is optimized for applications where high accuracy and reliability are critical, providing a low-noise analog output signal proportional to the applied current.
Here is a brief overview of the pin functions:
1. VCC - Power supply pin for providing voltage to the IC.
2. GND - Ground pin.
3. FILTER - Pin used to connect an external capacitor to set the bandwidth of the device.
4. IP+ - Positive differential current input for connecting to the current path under measurement.
5. IP- - Negative differential current input for connecting to the current path.
6. VIOUT - Output voltage pin which provides an analog voltage proportional to the measured current.
7. NC - No Connect pin, not internally connected.
8. NC - No Connect pin, not internally connected.
The ACS722 is optimized for applications where high accuracy and reliability are critical, providing a low-noise analog output signal proportional to the applied current.
Manufacturer
The ACS722LLCTR-20AU-T is manufactured by Allegro MicroSystems. Allegro MicroSystems is a company that specializes in the design, development, and manufacture of high-performance semiconductors. Their products are extensively used in a variety of applications, including automotive, industrial, consumer electronics, and other sectors. Allegro is known particularly for its expertise in sensing, motor driver, power management, and other analog-based products. The ACS722LLCTR-20AU-T, for instance, is a Hall-effect-based linear current sensor IC, which showcases their capabilities in sensing technologies.
Application
The ACS722LLCTR-20AU-T is a Hall-effect-based linear current sensor IC used for current sensing applications. Its primary application areas include:
1. Motor control: Monitoring current in motor drives for speed and torque control.
2. Power management: Overcurrent detection and protection in power supplies and converters.
3. Renewable energy: Current sensing in solar inverters and wind turbine systems.
4. Battery management: Monitoring charge and discharge currents in battery packs.
5. Industrial automation: Current monitoring in various industrial equipment and machinery.
6. Consumer electronics: Current sensing in appliances and electronic devices for protection and efficiency.
These applications benefit from its ability to provide accurate, isolated current measurements with high reliability and low power consumption.
1. Motor control: Monitoring current in motor drives for speed and torque control.
2. Power management: Overcurrent detection and protection in power supplies and converters.
3. Renewable energy: Current sensing in solar inverters and wind turbine systems.
4. Battery management: Monitoring charge and discharge currents in battery packs.
5. Industrial automation: Current monitoring in various industrial equipment and machinery.
6. Consumer electronics: Current sensing in appliances and electronic devices for protection and efficiency.
These applications benefit from its ability to provide accurate, isolated current measurements with high reliability and low power consumption.
Package
The ACS722LLCTR-20AU-T is an SOIC-8 (Small Outline Integrated Circuit) package. This refers to an 8-pin surface-mounted package commonly used for integrated circuits.
