TMS320F28035: How to get constant width of PWM

robin gangopadhya18

Part Number: TMS320F28035

Hello Experts

I am using TMS320F28035, In the existing code, it has a sin function so it gives me different widths of the PWM. But for my application, I need to make it constant PWM so which function I can use instead of sin or what will be the best approach I should take to make it constant.

Thanks

over 4 years ago

+1 Shamim Choudhury over 4 years ago

TI__Genius 11935 points

For constant PWM you just need to write a constant duty value in the PWM compare register. There are many example reference designs that show this. For example you can review this design

https://www.ti.com/tool/TIDM-DC-DC-BUCK

Shamim

0 robin gangopadhya18 over 4 years ago in reply to Shamim Choudhury

Mastermind 6296 points

Thank you for the quick reply Shamim. Yes, It works. Thanks much for your valuable help.

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TMS320F28035: How to get constant width of PWM