Programming MC33774A

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Programming MC33774A

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Federico98
Contributor I

I made a proper external architecture that allows to discharge adjacent cells with the AFE NXP MC33774A; but this component has an automatic PWM of even and odd internal mosfet.

Is it possible to change this and program adjacent discharge of cells?

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diazmarin09
NXP TechSupport
NXP TechSupport

Hello Federico98,

I hope all is great with you. Thank you for using the NXP communities.

Correct, the cell voltage-balancing function allows discharging individual cells based on external resistors and PWM modulated currents controlled by the MC33774. Different PWM duty cycle can be used to define the average current.

diazmarin09_0-1719430569899.png

 

Please let me know if I misunderstood your question.

Regards,

David

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