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Calculation: Full-Bridge Converter (w/FETs) Scheme2
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Opearting Conditions
Vin [V_DC]: Np: Ns: Vout [V_DC]: Iout [A_DC]:
fsw [kHz]: N1 [Primary // FETs]: N2 [Secondary // FETs]:

Gate Driver Parameters
Vgdrive_pri [V]: Rg_Ext_pri [Ω]: Rpu_pri [Ω]: Rpd_pri [Ω]: Tdelay [s]:
Vgdrive_sec [V]: Rg_Ext_sec [Ω]: Rpu_sec [Ω]: Rpd_sec [Ω]:

Circuit Parameters
Lout [H]: DCRout [Ω]: Kh_Lout [Constant]: B_Lout [Tesla]: x_Lout [Exponent]:
Cin [F]: ESRin [Ω]: Cout [F]: ESRout [Ω]:

Transformer Parameters
Lp [H]: DCRp [Ω]: DCRs [Ω]: Kh [Constant]: B_TF [Tesla]:
x [Exponent]: A_core_TF [m²]: L_core_TF [m]: Ke [Constant]: t_core_TF [m]:

Thermal Parameters
TA [°C]: RthCA [°C/W]: TempCoeff [RDSon-TA Default]:

Calculated Parameters
Tsw [s]: D: Ls [H]: diLout [in %]: dVCout [in %]:
Pout [W]:


Select Your Power Devices
Use parametric data from datasheet tables        Add measurement data from datasheet graphs

Select Mosfet Part [Q1]

Material Qualification
RDSON [Ohm] - Mounting
VDS [V] Package Area [mm2] -



   OR   

Note: Configuration, VDS [V], RDSon [mOhm] (Typ/Max), Vth_Max [V], Vgp_Typ [V]

Select Mosfet Part [Q2]

Material Qualification
RDSON [Ohm] - Mounting
VDS [V] Package Area [mm2] -



   OR   

Note: Configuration, VDS [V], RDSon [mOhm] (Typ/Max), Vth_Max [V], Vgp_Typ [V]

Select Mosfet Part [Q3]

Material Qualification
RDSON [Ohm] - Mounting
VDS [V] Package Area [mm2] -



   OR   

Note: Configuration, VDS [V], RDSon [mOhm] (Typ/Max), Vth_Max [V], Vgp_Typ [V]

Select Mosfet Part [Q4]

Material Qualification
RDSON [Ohm] - Mounting
VDS [V] Package Area [mm2] -



   OR   

Note: Configuration, VDS [V], RDSon [mOhm] (Typ/Max), Vth_Max [V], Vgp_Typ [V]

Select Mosfet Part [Q5]

Material Qualification
RDSON [Ohm] - Mounting
VDS [V] Package Area [mm2] -



   OR   

Note: Configuration, VDS [V], RDSon [mOhm] (Typ/Max), Vth_Max [V], Vgp_Typ [V]

Select Mosfet Part [Q6]

Material Qualification
RDSON [Ohm] - Mounting
VDS [V] Package Area [mm2] -



   OR   

Note: Configuration, VDS [V], RDSon [mOhm] (Typ/Max), Vth_Max [V], Vgp_Typ [V]


Converter Steady State Waveforms (assuming ideal switches)


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  • STEP-1
  • STEP-2
  • STEP-3
  • STEP-4
  • STEP-5
  • STEP-6
  • STEP-7
  • STEP-8



Loading.. ILav, IL Vs. Time
IL_RMS = 20.008 A


Loading.. VL, Vin, Vout Vs. Time


Loading.. Iin, ICin Vs. Time
Iin_RMS = 9.327 A
ICin_RMS = 3.400 A


Loading.. Vp, Vs Vs. Time


Loading.. Q1_Q4_Parameters Vs. Time
Q1_VDS_RMS = 32.813 V
Q1_IDS_RMS = 7.673 A


Loading.. Q2_Q3_Parameters Vs. Time
Q2_VDS_RMS = 32.813 V
Q2_IDS_RMS = 6.596 A


Loading.. Q5_Parameters Vs. Time
Q5_VDS_RMS = 36.815 V
Q5_IDS_RMS = 13.547 A


Loading.. Q6_Parameters Vs. Time
Q6_VDS_RMS = 31.650 V
Q6_IDS_RMS = 13.546 A


Loading.. VGS Vs. Time


Loading.. VDS Vs. Time
Q1_VDS_RMS = 32.813 V
Q2_VDS_RMS = 32.813 V
Q5_VDS_RMS = 36.815 V
Q6_VDS_RMS = 31.650 V


Loading.. IDS Vs. Time
Q1_IDS_RMS = 7.673 A
Q2_IDS_RMS = 6.596 A
Q5_IDS_RMS = 13.547 A
Q6_IDS_RMS = 13.546 A


Loading.. PowerLoss Vs. Time