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Buck converter Simulation Error - LM61495-Q1

Mohan Angappan

Prodigy 80 points

Other Parts Discussed in Thread: LM5022, LM61495

Hello TI

We have addressed the issues mentioned above but are currently encountering a simulation problem with the DC voltage sweep. We are not receiving any output on the output side. I have attached screenshots of the schematic and simulation for your reference.

5633.Buck_simulation.zip

over 1 year ago

+1 Jimmy Hua over 1 year ago

TI__Guru 50120 points

Hello,

May I ask you to try working off of the PSPICE model that is on TI.com product folder which I had just tested and is a working simulation file.

Then you can adjust the output inductor, feedback resistors and output capacitors to your application values and resimulate.

I just want to make sure there is not any output setting issues that can be resulting in the waveform not showing up on the simulation window.

LM61495-Q1_PSPICE_TRANS.zip

Regards,

Jimmy

0 Mohan Angappan over 1 year ago in reply to Jimmy Hua

Prodigy 80 points

Hello Jimmy Hua,

Thank you for your prompt response. We need simulations for LM5022 and TPS16630 ICs running PSpice models also.

+1 Jimmy Hua over 1 year ago in reply to Mohan Angappan

TI__Guru 50120 points

Hello Mohan,

Please create a separate E2E thread since that is not related to the LM61495.

The appropriate apps engineer will be assigned to the thread to assist you then.

Regards,

Jimmy

+1 Mohan Angappan over 1 year ago in reply to Jimmy Hua

Prodigy 80 points

Hi Jimmy Hua,

Thanks for your response.