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SCALE-iDriver Power supply H-Bridge

Posted by: fintom on 11/16/2021

Dear Support

I am designing a driver application for an IGBT H bridge driving inductive load.

Is it possible to use the same isolated power supply (VTOT) for the two bottom leg IGBT's?

Basically they share the same rail at the emitter (VEE).

Now internally the SID devices regulate the VEE in respect to the VISO.

I don't know how the internal circuit of the SID is designed, and if the VEE level is balanced out somehow then.


Best regards




Submitted by PI-IWH on 11/18/2021

Dear Thomas

it is possible to use one isolated power supply for the two bottom IGBT channels, as long as the power of the isolated power supply is enough.


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