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DRV2700 DRV8662驱动压电块问题

Other Parts Discussed in Thread: DRV2700, DRV8662

我通过配置 DRV2700 或 DRV8662 两款芯片,让其输出 0~60V 的正弦波电压来驱动一个 6600nF 的压电块,发现当正弦波频率较低时芯片发热问题不明显,当频率达到 10Hz 左右时,芯片温度上升很快,可以达到100℃以上,请问是因为驱动芯片和我的压电块不匹配吗?还是有什么其他问题呢?谢谢~