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直接驅動繼電器?
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Louis
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Jun 2, 2011, 10:23:30 AM
6/2/11
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請問12V風扇開關的實驗裡,看繼電器的規格似乎是消耗43ma,那是不是可以直接由launchpad驅動呢?
版主
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Jun 2, 2011, 11:53:40 AM
6/2/11
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Hi Louis,
嗯~先前文章寫得有點誤導,這裡指的48mA是
所有輸出腳位總和電流
不超過48mA(
參考
P19),但是Outputs – Ports Px在3V的狀態下,每一個PIN的最高輸出電流只有6mA,因此,這裡還是需要一個BUFFER來做驅動。
Louis
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Jun 3, 2011, 11:59:31 PM
6/3/11
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原來如此~~之前一直翻family user guide都找不到這個數據,原來還有另一份專門的spec. doc啊~~謝謝囉~
李皓皓
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Mar 19, 2016, 11:51:28 AM
3/19/16
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to [LaunchPad互動裝置] TI MSP430 LaunchPad 使用者討論區, loui...@gmail.com
Louis於 2011年6月2日星期四 UTC+8下午10時23分30秒寫道:
請問12V風扇開關的實驗裡,看繼電器的規格似乎是消耗43ma,那是不是可以直接由launchpad驅動呢?
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