Allegro MicroSystems Inc. Current Transducers - ACS715LLCTR-30A-T ACS715LLCTR-30A-T

The Linear Current Sensor, part number 77M1978, is an automotive-grade, Hall effect-based integrated circuit designed for precise DC current sensing. It features a low-resistance internal conductor of 1.2 m,Ѷ, allowing for minimal power loss and the capability to handle overcurrent conditions up to 100 A for short durations. The sensor operates with a supply voltage of 5 V and has a bandwidth of 80 kHz, with a typical output sensitivity of 133 to 185 mV/A, depending on the specific model. This device provides a quiescent current of 10 mA and is capable of operating within a temperature range of -40¬8C to 150¬8C. It offers 2.1 kVRMS voltage isolation, making it suitable for applications requiring electrical isolation without additional components. The sensor is factory-trimmed for accuracy, with a total output error of 1.5% at 25¬8C, and features a low-noise analog signal path. Typical applications include motor control, load detection, and overcurrent protection in automotive systems. The product is packaged in a compact 8-pin SOIC format, facilitating easy integration into various designs.