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The “Gain_set_loop is Null” error message while invoking topology of Interleave with shunt in UCD3138 PFC's project

Hung-Jin Chen
Intellectual 650 points
Other Parts Discussed in Thread: UCD3138, FUSION-DIGITAL-POWER-STUDIO

Hi All,

In UCD3138 PFC’s project, I use the topology of Interleave with shunt method. But there is an error message as following figure while I invoke the Fusion Studio Online. The error message is shown with “Gain_set_loop is Null”. Because there is no CT in my shunt method.

According the user’s guide of UCD3138, I know there is no topology of Interleave with shunt in UCD3138 PFC’s project. But I can invoke the topology of Interleave with shunt in Fusion Studio Offline mode.

Figure 1. the error message while I invoke the Fusion Studio Online.

But, I find the p.23 in application note of SLU712 as following figure 2. The user seems can design the mix-topology by defining the SETUP_ID with PFCXXX.

Figure 2. p.23 in application note of SLU712.

Has anyone experienced this issue before? Can anyone please help me with this issue?

Thanks a lot in advance!

Regards

Hung-Jin Chen