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TPS543C20: working principle of the internally compensated advanced current mode

Zhizhao Niu
Expert 4430 points
Part Number: TPS543C20

Hi team,

I have read the datasheet of the TPS543C20 and I noticed the control mode of this device is called ACM. Through some learning slices from TI, I found the emulated current mode control is very similar with the internally compensated advanced current mode. So I wonder:

1.What is the different between the internally compensated advanced current mode control (ACM) and emulated current mode control?

2.How does this control mode realize the internal compensation function? 

3.How can ACM control ensure the stable operation of the converter under different operating conditions?

Thanks so much.

Best regards,

Lucas Niu