![]() ![]() ![]() In closed-loop mode, the customer can program the PWM-to-speed relationship to match the PWM commands provided by an external ECU. Modes of operation include open-loop PWM or fully programmable closed-loop speed control. ![]() Designed for battery cooling fans and HVAC systems in EV and hybrid vehicles, the A89307 offers ultra-low noise and vibration courtesy of its continuous sinusoidal drive current, making it ideal for fans. A fully integrated field-oriented control (FOC) algorithm makes it easy to improve efficiency and acoustic noise performance, with no software programming or code development required. The A89307 is a 3-phase, sensorless, BLDC gate driver that can operate from 5.5 to 45 V.
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