Allegro MicroSystems Expands Current Sensing Leadership with Industry's Highest Accuracy Magnetic Current Sensor

Core Insights - Allegro MicroSystems has launched the ACS37017, a Hall-effect current sensor that sets a new industry benchmark for accuracy in power design, completing its strategic portfolio expansion [2][8] - The ACS37017 addresses critical challenges in modern power electronics, specifically focusing on speed, power density, and accuracy [2][3] Product Features - The ACS37017 achieves a typical sensitivity error of 0.55% over its lifetime and temperature, providing high-fidelity feedback essential for stabilizing high-voltage power conversion systems [3][12] - It integrates high-voltage isolation with an advanced sensing architecture, ensuring stable performance and addressing the common "drift" problem found in conventional sensors [5][12] - The sensor simplifies system architecture by incorporating a stable, non-ratiometric voltage reference, which reduces the bill of materials and minimizes system-level noise [9][12] Market Positioning - Allegro's current sensor lineup now includes the ACS37100 for speed, the ACS37200 for power density, and the ACS37017 for accuracy, positioning the company as a leader in sensing technology [4][10] - The ACS37200 features a 50 µΩ conductor that reduces power loss by up to 90% and shrinks footprint by up to 95%, catering to space-constrained applications [11] Strategic Vision - Allegro MicroSystems aims to provide engineers with tailored solutions for specific performance objectives, emphasizing the importance of having the right tool for each job [4][10] - The company leverages over three decades of expertise in magnetic sensing and power ICs to enhance efficiency and sustainability across various industries, reinforcing its status as a pioneer in automotive-grade technology [10]