Phase shift PWM generation using etpu

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Phase shift PWM generation using etpu

459件の閲覧回数
vrushalitaklika
Contributor III

Hi,

I am looking for PWM generation with change in phase shift.

I tried looking at application note example AN5374, but it seems here they are updating duty cycle.

In my project I have duty cycle as constant and updating phase shift. 

Please suggest a sample example of phase shift using etpu module.

Thanks

Vrushali

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2 返答(返信)

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davidtosenovjan
NXP TechSupport
NXP TechSupport

I am not sure from you description what you are trying to achieve, but maybe you could pay attention to SPWM function allowing to generate multi-channel synchronized PWM allowing to change duty cycles and phase at any time:

http://www.nxp.com/assets/documents/data/en/application-notes/AN2854.pdf

http://www.nxp.com/webapp/sps/download/license.jsp?colCode=AN2854SW&location=null

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247件の閲覧回数
vrushalitaklika
Contributor III

Hi David,

With help of SPWM can we introduce phase shift between engine A and engine B etpu channels?

Is there any api provided by etpu

Thanks

Vrushali

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