TIDUET3 February   2021

 

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2.4.2.7 LLC Primary-Side Currents

Equation 36 shows the LLC Primary-side current:

Equation 36.
GUID-20210112-CA0I-BQXT-JFP0-CPFLNTVM6DQ0-low.gif

The RMS magnetizing current at fSW(min) is determined by:

Equation 37.
GUID-20210112-CA0I-852N-GDGQ-VNDH8LLZWPWQ-low.gif

The current of the resonant circuit is determined by:

Equation 38.
GUID-20210112-CA0I-N6PB-SPVW-NLJCZXHX3S54-low.gif

This calculation is also the primary winding current of the transformer at fSW(min).