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Original question:

UCC25600EVM: gate transformer on UCC25600EVM

UCC25600EVM: HAP410A DRAWING

Ralph Germain
Prodigy 10 points
Part Number: UCC25600EVM
Other Parts Discussed in Thread: UCC24612, UCC24624

Is there an available drawing for HPA410A ?

It looks like the daughter card has a VDD ref... where does it come from ?

Thanks,

Ralph

  • 0
    TI__Expert 8210 points

    Ralph

    Figure 26 (page 17) of the UCC25600EVM User Guide https://www.ti.com/lit/ug/sluu361a/sluu361a.pdf is the schematic  and Figure 24 and Figure 25 (page 16) are the copper layers for HPA410 daughter card.

    You can refer to the pin designators on Figure 1 (page 4) schematic to determine how the various pins are connected.  Please note that UCC25600EVM comes default populated with diode rectifier, so the logic VDD, GND and SYNC pins are not needed.  If the HPA410 daughter cards are replaced with an SR controller like UCC24624 or UCC24612 then these logic pins would be used.

    Best Regards,

    Eric