DRV8880 Charge pump voltage at failure using

Hi,

Could you give me advice for customer support, please?
Customer had a mistake.
Detail is show at attached file.

Customer connected charge pump capacitor between VCP pin and 3.3V.
But motor could drive normally.
Customer confirmed the charge pump capacitor votage, then it is 40V.
VM of customer system is 33V.
Do you know why the charge pump capacitor voltage become to 40V?

*Ofcause, this mistake has revised yet.

Best regards,
Shimizu

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