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Home > Industry News

Allegro MicroSystems Introduces New High-Bandwidth Current Sensors for High-Performance Power Conversion

Views : 42
Update time : 2024-02-21 09:35:03
        Allegro MicroSystems, a provider of power and sensing solutions for motion control and energy efficient systems, announced the introduction of new high bandwidth current sensors, the ACS37030 and ACS37032, which leverage GaN and SiC technologies to enable high performance power conversion in electric vehicles, clean energy solutions and data center applications.
 
 
        Current high power density GaN and SiC FET charging and power infrastructures require high speed, low loss devices to ensure efficiency and reliability. Existing current-sensing solutions have limited operating ranges and increased size and weight, resulting in designs that require additional components and larger bills of materials (BOMs). 
        To address these challenges, Allegro introduces two high-bandwidth current sensors, the ACS37030 and ACS37032, designed to deliver efficiency and high performance while reducing design time and board space. The two current sensors utilize a dual-signal-path approach, where one path captures low-frequency and DC currents using Hall-effect elements, and the other path captures high-frequency current data through an induction coil.
        Our ACS37030/2 is the first solution on the market that can respond quickly to high-speed SiC and GaN protection while also providing low-frequency content for power conversion control," said Matt Hein, Allegro's current sensor product line manager. Designers can now minimize system footprint when using GaN and SiC architectures." 
        Allegro's latest current sensors feature a compact design with improved efficiency and reduced cost, making them suitable for high-frequency switching in power electronics systems, while offering designers the following advantages: 
        Efficient and fast management of high switching frequencies and thermal conditions for high voltages and currents: providing fast response times, critical protection and higher efficiency by minimizing energy loss and heat dissipation. 
        Enables stable, safe control while reducing EMI: 2% sensitivity error over temperature and induction coil characteristics improve signal-to-noise ratio (SNR) with increasing frequency, minimizing noise and simplifying EMC. 
        Reduced design footprint for system reliability and protection: Reliability and protection are achieved with a compact and efficient fuse-lead SOIC-6 package that withstands harsh automotive and industrial environments. 
        Balance cost considerations while minimizing design complexity: Simplify design and promote easy design of GaN and SiC devices for cost-optimized, high-power and high-frequency switching power conversion.
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