New device keeps batteries and HVAC systems running quiet and cool

Allegro MicroSystems, a global leader in power and sensing solutions for motion control and energy efficient systems, is expanding its QuietMotion™ product line with the introduction of the new A89307 automotive-qualified gate driver integrated circuit (IC). Designed for battery cooling fans and HVAC systems in electric (EV) and hybrid vehicles, the A89307 offers ultra-low noise and vibration by using a Field Oriented Control (FOC) algorithm to drive continuous sinusoidal current to the load, helping automakers reduce noise and improve battery life, offering more miles per charge and lowering vehicle carbon footprints.

“By design, EV and hybrid vehicles are quieter than traditional models with internal combustion engines—especially when they’re stopped—and drivers are becoming increasingly sensitive to noise created by components such as cooling fans,” said Steve Lutz, Product Line Director for Motor Drivers at Allegro. “The A89307’s hardware-based algorithm makes it easier for designers to reduce fan noise while improving cooling performance and increasing miles per charge. That’s good for drivers, and good for the environment.”

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