The ACS720KLATR-35AB-T is a fully integrated, Hall-effect-based linear current sensor IC manufactured by Allegro MicroSystems. This sensor provides economical and precise solutions for AC or DC current sensing in industrial, commercial, and communications systems. The device is designed for high accuracy and reliability, making it suitable for various current monitoring applications.

Applications:

• Motor Control: Used for precise current monitoring in motor control applications.
• Load Detection and Management: Employed to detect and manage current loads in power distribution systems.
• Inverters: Integrated into inverters for accurate current measurement.
• Power Supplies: Utilized in power supplies to monitor current and protect against overcurrent conditions.
• Overcurrent Fault Protection: Used in various applications for overcurrent fault detection and protection.

Features:

• Integrated Shielding: Provides enhanced immunity to external magnetic fields.
• Low Resistance Current Conductor: Minimizes power loss and improves efficiency.
• Analog Output: Provides an analog voltage output proportional to the sensed current.
• Fast Response Time: Enables rapid detection of current changes.
• Small Footprint: Compact SOIC package for space-saving applications.

Benefits:

• Precise Current Measurement: Offers accurate and reliable current measurement for optimal performance.
• Enhanced System Efficiency: Minimizes power loss with its low resistance current conductor.
• Improved Noise Immunity: Provides stable operation even in noisy environments due to the integrated shielding.
• Overcurrent Protection: Detects and protects against overcurrent conditions, enhancing system reliability.
• Easy Integration: Simplifies circuit design and assembly with its compact package and analog output.

Additional Details:

The ACS720KLATR-35AB-T is capable of sensing up to ±35 A of current. It operates on a single 5 V supply. The output voltage is proportional to the input current, with a typical sensitivity specified in mV/A. The device is calibrated at the factory to provide high accuracy over a wide temperature range. The integrated shield significantly reduces the impact of external magnetic fields on the measurement accuracy. Detailed information about accuracy, linearity, and temperature drift can be found in the Allegro MicroSystems datasheet. The sensor is typically surface mounted and reflow soldered according to JEDEC standards.