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LMG5200: Using LMG5200 cascaded

Wouter Krikken
Prodigy 60 points
Part Number: LMG5200

Hi,

I wish to use two LMG5200's cascaded, with the upper one referenced to VIN (pin1) of the lower one. Is there any reason this could lead to some issues?

Thanks,

Wouter

  • 0
    TI__Expert 4570 points

    Hi Wouter,

    there is no issue in doing this as long as you remember that the high-side LMG5200 -and all its signals- are referenced to Vin on the low-side LMG5200.

    Practically this means that you will have to use a 2-channel isolator for the HI, LI inputs of the high-side LMG5200, and  derive a supply that is 5V with respect to Vin of the low-side LMG5200 (by instance using an isolated supply).

    Let me know if this answers your questions by clicking "very answer" below.

    Best regards,

    Alberto