2021年10月26日 星期二

Automotive fan motor chip drives quietly for electric vehicles

For an automotive three-phase fan motor driver, Allegro has picked a control algorithm for quiet running in electric vehicles. Called A89307, it uses field-oriented control to drive continuous sinusoidal current to the load. “By design, electric and hybrid vehicles are quieter than traditional models with internal combustion engines, especially when they’re stopped, and drivers are becoming ...

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