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Allegro MicroSystems unveils high-accuracy magnetic current sensor. Allegro MicroSystems has launched a new Hall-effect current sensor that the company says sets a new standard for accuracy in power electronics. The ACS37017 forms the final part of Allegro's expanded sensor portfolio, designed to address speed, power density and precision requirements in modern high-efficiency systems. The ACS37017 is a factory-calibrated device that combines high-voltage isolation with an advanced sensing architecture. According to Allegro, it delivers a typical sensitivity error of 0.55% across lifetime and temperature, providing the stability needed for high-voltage power converters used in applications such as AI data centres, electric vehicles and renewable energy systems. The new device joins two previously released high-end current sensors aimed at different engineering priorities: Speed: The ACS37100, based on the company's XtremeSense TMR technology, offers a 10-MHz bandwidth and has been recognised as an EDN Product of the Year. Its fast response is designed to support GaN and SiC power platforms where switching occurs within nanoseconds. Power Density: The ACS37200 features a 50-μΩ conductor intended to reduce power loss by up to 90% and minimise footprint for compact systems. With the introduction of the ACS37017, Allegro says it now provides targeted solutions for the three core challenges designers face as power systems move towards higher efficiency and greater integration. Conventional current sensors often exhibit drift, in which accuracy degrades over time or in varying temperatures. Allegro states that the ACS37017 addresses this issue through a proprietary compensation architecture that maintains stable readings throughout the operational life of the device. The sensor also incorporates a non-ratiometric voltage reference, removing the need for external precision components on the circuit board. This design choice is intended to simplify system architecture, reduce bill-of-materials costs and minimise noise sources, enabling a cleaner signal to reach the microcontroller. The ACS37017 is positioned by Allegro as its flagship product for accuracy in demanding control loops, rounding out a portfolio aimed at supporting next-generation power electronics across multiple sectors. ACS37017 features and benefits include: Accuracy: Achieves 0.55% typical sensitivity error over temperature and lifetime for tighter control loops and higher system efficiency. Drift Performance: Proprietary compensation architecture ensures long-term stability, improving system reliability. Simplified Design: Integrated precision voltage reference removes external components and noise sources. High-Voltage Isolation: Robust reinforced isolation ensures safety in high-voltage xEV and industrial systems. Compact, Standard Footprint: Monolithic surface-mount leaded package offers high isolation without the bulk of module-based alternatives.

Allegro MicroSystems appoints Ian Kent, Senior Vice President, Operations and Jamie Haas Vice President, Chief Technology Officer. MANCHESTER, N.H., Feb. 03, 2026 (GLOBE NEWSWIRE) - Allegro MicroSystems, Inc. ("Allegro") (Nasdaq: ALGM), a global leader in power and sensing semiconductor solutions for motion control and energy efficient systems, today announced that the company has promoted Ian Kent to Senior Vice President, Operations and Jamie Haas to Vice President, Chief Technology Officer. "As we sharpen our focus on executing our long-term strategy, it is critical to backfill key roles within Allegro's senior leadership team. These promotions are the result of thoughtful consideration, including my own experience overseeing worldwide operations and technology development. This transition reflects both continuity and strength in leadership," said Mike Doogue, Chief Executive Officer. "Ian and Jamie are the right leaders to drive our company forward. I am incredibly confident in this team's ability to achieve our strategic goals and lead us into the future." Ian will be responsible for Allegro's worldwide manufacturing, quality, and supply chain operations, including internal and external manufacturing and our assembly and test facility in the Philippines. He assumes responsibilities previously overseen by the CEO and brings deep operational continuity to this role. In addition to 25 years of experience in semiconductors, since joining Allegro in 2023, Ian has held progressively senior operations leadership roles, most recently serving as Vice President, Operations, with responsibility for global manufacturing excellence and supply chain execution. As Vice President, Chief Technology Officer, Jamie will lead Allegro's technology vision, strategic technology development, and AI product and tool strategy, assuming CTO responsibilities previously overseen by the CEO. Jamie brings 25 years of semiconductor design and development experience, including over 20 years at Allegro, and has been instrumental in advancing next-generation technologies aligned with our 'Innovation with Purpose' strategy. His expertise and vision in AI and machine learning will be instrumental as Allegro evolves its product roadmap and enhances its chip development processes by using transformative AI capabilities, while simultaneously accelerating market-leading innovations for our customers. About Allegro MicroSystems Allegro MicroSystems, Inc. is leveraging more than three decades of expertise in magnetic sensing and power ICs, to propel automotive, clean energy and industrial automation forward with solutions that enhance efficiency, performance and sustainability. Allegro's commitment to quality drives transformation across industries, reinforcing our status as a pioneer in "automotive grade" technology and a partner in our customers' success. Forward-Looking Statements This press release contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. We intend such forward-looking statements to be covered by the safe harbor provisions for forward-looking statements contained in Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. All statements, other than statements of historical facts, contained in this press release including statements regarding our business strategy, growth opportunities, leadership priorities, and product and technology development are forward-looking statements. 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Additionally, such forward-looking statements are subject to a number of known and unknown risks, uncertainties and assumptions and other important factors, and actual results may differ materially from those expressed or implied in the forward-looking statements due to various factors, including, but not limited to, those identified in Part II, Item 7. "Management's Discussion and Analysis of Financial Condition and Results of Operations," and Part I, Item 1A. "Risk Factors" in our Annual Report on Form 10-K for the year ended March 28, 2025, as any such factors may be updated from time to time in our Quarterly Reports on Form 10-Q and our other filings with the Securities and Exchange Commission. 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Allegro MicroSystems shares rose 8.1% after the chip designer reported fourth-quarter 2025 results that beat revenue expectations and provided strong guidance. Revenue grew 28.9% year-over-year to $229.2 million, surpassing analyst forecasts. The company projected first-quarter 2026 revenue of approximately $235 million, ahead of analyst estimates. Operating margin improved to 4.2% from 0% in the prior-year quarter, whilst the company generated positive free cash flow of $41.26 million. However, GAAP earnings per share of $0.04, whilst improved from a year-ago loss, fell slightly short of Wall Street's consensus of $0.05. Allegro MicroSystems shares are up 40.2% year-to-date and have reached a new 52-week high of $37.72.