The best upper fet drive method for LLC converter is bipolar pulse transformer?

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T

treez

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Hello,
The attached method for driving the high side FETs in a high power LLC converter is the best way to do it, do you agree?.
(it uses a bipolar gate drive transformer)
The method of using a bootstrap high side drive IC is too unreliable and succeptible to noise issues, as discussed by Dr Ridley.
 

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  • LLC with bipolar fet drive transformer.pdf
    24.8 KB · Views: 117
  • Full Bridge LLC converter _2.8kW _Bipolar gate drive.txt
    11.1 KB · Views: 37

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