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Need help on Bidirectional Converter design based on TMS320F28035 part

Dear All,

one of my customer is working on TIDM-BIDIR-400-12V reference design from TI, we are facing issues in gettng source for transformers, we could able to get transformers from Pulse and we are unable to get contact of Vitec corporation. below are parts used from Vitec, if someone could help to share Core/Bobbin/winding information it will be grateful and please share contacts of vitec corporation whom we need to contact for datasheet/samples.

Description

Manufacturer

Manufacturer code

Centre tapped main Transformer

Vitec

AF5551R

Gate drive Transformer

Vitec

56PR3362

Also there is part called PR798 with legend M3 which is being used in design, I understand it is not part from Texas, is this circuitry for 400V-12V,5W aux power supply. If yes means from where I could get  schematics, gerber, BOm for same, please help to share relevant details for same, thanks.

Rgds,

Aravind.