Hallwee(霍尔微电子)China
【TWS耳机霍尔开关】HAL2491蓝牙耳机磁控开关是一款基于混合信号CMOS 技术的霍尔效应传感器，这款TWS耳机霍尔开关IC 采用了先进的斩波稳定技术，因而
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