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Technical Article
氮化镓器件双脉冲测试的测试方法(1)
Release date:2023-04-12
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Category:Technical Article
Views:511次
双脉冲测试是用来测试功率器件的动态性能
负载电感在第一个脉冲结束的时候建立需要测试的电流值,并在接下来的关断和开通过程中保持该电流值
母线电容用来保持一个稳定的直流母线电压。它负责提供预定的感性电流所需的能量。去耦合电容一般有较小的寄生等效串联电感(ESL),负责提供开关瞬态的电流
旁漏电阻是测试结束后用来耗散掉母线电容上的能量
双脉冲信号一般使用信号发生器或者MCU来产生
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氮化镓器件双脉冲测试的测试方法(2)
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