BLDC control project based on AN4862

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BLDC control project based on AN4862

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Contributor I

Hello,

I'm now doing a BLDC control project based on AN4862 . I have modified the EVB for my appliction, so i have some questions about softrware.

i want to define the current AMP gain by myself , how can i modify the code, in which source code file can i find the definition ? Is there a function or formula to calculate actual current .

i want to define the divider resistor of BEMF by myself , how can i modify the code, in which source code file can i find the definition ?

The motor can running , but the sound and the temperature are not normall (SlowControlloop) , what parameters can lead this ?

Looking forward to haear from you .

thanks !

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NXP Employee
NXP Employee

Hello Fazhi Chen,
Please refer DRM144, and AN4870. I hope that will answer all your question. 

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