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OPA541: current sense的作用问题

Part Number: OPA541

请问电流检测的这个引脚是检测峰值还是有效值电流?是否是通过Rcl电阻来减弱输出电流从而达到保护电路的功能?

  • 您好,

    应该是峰值,它其实是检测的这个电阻上的电压,当其电压大约为VBE开启电压时激活电流限制。

    是的,它是通过Rcl电阻来限制输出电流从而达到保护电路的功能。