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Voltage control loop on C2000 launchpad (F28027) for SEPIC converter

Other Parts Discussed in Thread: TMS320F28027, CONTROLSUITE

Hello,

I am working on C2000 launchpad with TMS320F28027 controller on it.

Currently I am working on SEPIC converter a small 500W power supply. I have tested the scheme with open loop (fixed duty cycle) system. Using the Feq_up_down example. It was a great help.

Now moving ahead I need develop a close loop for voltage control. Referring to varios posts on the forum I came to know that primary understanding of PI control and close loop implementation is provided in DMC library and IQ math .

My switching frequency in 100 kHz. and Vout is 72V and Vin is 40V to 100V.

My doubt is can i use these libraries for lauchpad also. How to start coding for close loop control as later I also need to implement the current loop.

Please help.