TIDA-00961: TIDA-00961 Code Bug

Hi, 

I will link this thread to the right owner of TIDA-00961 firmware.

Is it a Bug？Or something else？

Hi Haifeng,

In this solution, the ZVS extension is based on single phase feedback signal. The interleaving is achieved by changing the phase shift register to maintain 180 degree phase shift. Feel free to let me know if you have other questions. 

Regards,

Chen

Hi, Chen

When the system is working under heavy load, the " phase_OFF" is equal to 0. As you say, the ZVS extension is invalid, is it right?

If it is right, I think the code is flawed

Hi haifeng,

xue haifeng said:

When the system is working under heavy load, the " phase_OFF" is equal to 0.

Yes.

xue haifeng said:

As you say, the ZVS extension is invalid, is it right?

I didn't say ZVS extension is invalid. I was just saying the ZVS extension is achieved based on single phase feedback signal. Why do you say they are not valid?

Regards,

Chen

Hi, Chen

As you say, When the system is working under heavy load, the "phase_OFF = 0".

but base on the code, " if (zvs_adj_on && (!zvs_dont_adj) && (phase_OFF))",the ZVS extension will not run in heavy load condition because  "phase_OFF" is equals to zero.

Could you tell me why the code do this in PWM ISR.

Best regards,

Suiyang.

Hi Suiyang,

Ok, I got your point. Let me double confirm and will get back to you.

Regards,

Chen