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drv8711引脚电压问题

正在使用这款芯片的朋友们可以帮忙测试一下CP1--CP2 两引脚间(IC的1、2脚)的电压值吗?24V 供电,我这里测量是23.4V, 还有Vcp端电容的电压为9.7V,这些电压正常吗?

  • HI

       CP1/CP2是chargepump电路,用于给高边驱动供电,CP即高边驱动电压, 9.7V是正常的:

       

      CP1/CP2是chargepump电容,非固定电压,最大电压是VM+10V, 

       或者你到“其他模拟产品”论坛中讨论也是可以的,这里是电源论坛,主要是针对电源芯片。