ACS730KLCTR-20AB-T

The ACS730KLCTR-20AB-T is a high-precision current sensor IC manufactured by Allegro MicroSystems. This device is designed for applications requiring accurate current measurement in a compact form factor. Here’s a detailed description of its features and specifications:

Overview

The ACS730 is a Hall-effect based current sensor that provides galvanic isolation between the high-voltage circuit and the low-voltage control side. It is particularly suitable for industrial, automotive, and consumer applications where current sensing is critical.

Key Features

1. Current Sensing Range: The ACS730KLCTR-20AB-T can measure currents up to ±20A, making it versatile for various applications, including motor control, power management, and battery monitoring.

2. Output Voltage: The device provides an analog output voltage that is proportional to the sensed current. The output voltage is centered around a nominal voltage (typically VCC/2), allowing for easy interfacing with microcontrollers and ADCs.

3. Supply Voltage: It operates with a supply voltage range of 3.0V to 5.5V, making it compatible with a wide range of digital systems.

4. Accuracy: The sensor boasts high accuracy with low offset and gain error, ensuring reliable current measurements. The typical accuracy specifications include a low temperature drift, which enhances performance across varying environmental conditions.

5. Isolation Voltage: The ACS730 provides a high level of galvanic isolation, typically rated at 2.5 kV, which protects sensitive components from high voltage spikes and noise.

6. Package Type: The device is housed in a compact surface-mount package (SOIC-8), which facilitates easy integration into printed circuit boards (PCBs) and helps save space in designs.

7. Temperature Range: The operating temperature range is typically from -40°C to +125°C, making it suitable for harsh environments.

8. Response Time: The sensor has a fast response time, allowing for real-time current monitoring, which is essential in dynamic applications.

Applications

The ACS730KLCTR-20AB-T is ideal for a variety of applications, including:

• Motor control systems
• Power supply monitoring
• Battery management systems
• Renewable energy systems (e.g., solar inverters)
• Industrial automation and robotics

Conclusion

The ACS730KLCTR-20AB-T from Allegro MicroSystems is a robust and reliable current sensor that combines high accuracy, isolation, and a compact design. Its versatility and performance make it an excellent choice for engineers looking to implement current sensing in their electronic designs.