LMG1210: PSpice pos/neg VDC simulation

Anubha Gupta

Part Number: LMG1210

Hello team e2e,

I am using LMG1210 Gan FET driver for pos/neg VDC and trying to simulate the same in Pspice as per the reference here --> https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1033972/lmg1210-positive-and-negative--50v-supply

But unfortunately I see nothing at the vout (SW node) of the driver. Attached is the Pspice file for your reference. Any leads would be appreciated.

Thank you,

Anubha

LMG1210.DSN

over 1 year ago

0 Daniel W over 1 year ago

TI__Genius 13216 points

Hi Anubha,

Thank you for your question. I am looking into this and will have a response for you tomorrow.

Thanks,

Daniel W

0 Daniel W over 1 year ago in reply to Daniel W

TI__Genius 13216 points

Hi Anubha,

It appears that the model still references some signals to ground despite VSS being at -45V. I would advise simulating as VSS: 0V and Vbus: 90V. the recommendations in the thread you found are still good and the actual device can be used in such a way.

Thanks,

Daniel W

Power management

Power management forum

LMG1210: PSpice pos/neg VDC simulation