Allegro MicroSystems Unveils Industry’s First Production-Ready 10 MHz TMR Current Sensor, Enabling Optimal Protection and Control of Wide Bandgap Power Electronics

MANCHESTER, N.H., Oct. 21, 2025 (GLOBE NEWSWIRE) -- Allegro MicroSystems, Inc. (“Allegro”) (Nasdaq: ALGM), a global leader in power and sensing solutions for motion control and energy-efficient systems, today introduced the industry's first commercially available magnetic current sensor to achieve 10 MHz bandwidth featuring Allegro’s advanced XtremeSense™ TMR (tunneling magnetoresistance) technology. The new ACS37100 TMR current sensor helps power system designers master the control signal chain and unlock the full potential of fast-switching GaN and SiC FETs. Tailored to the needs of electric vehicles (xEVs), clean energy power conversion systems, and AI data center power supplies, the ACS37100 achieves an industry-leading 50 ns response time, providing the high-fidelity data needed for optimal efficiency and protection in demanding high-frequency applications. 

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