GE产品供应IC693MDL390LT

GE产品供应IC693MDL390LT

旋转的永磁体转过双极型数字霍尔传感器时，会使双极型数字霍尔传感器状态发生改变。如上图中8极磁体无刷直流电机中，每两个南极之间相隔90度，霍尔传感器相隔120度放置，此时霍尔传感器之间电角度相隔30度。南极靠近时，双极型数字霍尔传感器转换工作状态，当第一个数字霍尔传感器在0度电角度转为工作状态时，第二个数字霍尔传感器在30度电角度时工作，第三个数字霍尔传感器在60度电解时工作。

当北极经过双极数字型霍尔传感器时，数字霍尔传感器会转为释放状态，旋转的8极磁体的每个北极与相邻的南极之间为45度，因此，数字霍尔传感器在磁体转过45度后，会由工作状态转为释放状态。如图2为数字霍尔传感器控制的输出电平状态。

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