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Calculation: Pushpull Converter

Enter Operating Conditions
Vin [V]: Np: Ns: Vout [V]: Iout [A]:
fsw [Hz]: N1 [Q1 // FETs]: N2 [Q2 // FETs]:

Enter Thermal Parameters
TJ_Q1 [°C]: TJ_Q2 [°C]: RthCA_Q1 [°C/W]: RthCA_Q2 [°C/W]: TempCoeff [Rdson-TC Default]:

Enter Gate Driver Parameters
Vgdrive [V]: Rg_Ext [Ω]: Rpu [Ω]: Rpd [Ω]: Tdead [s]:

Enter Diode Parameters
VF_D1 [V]: Qrr_D1 [C]: VF_D2 [V]: Qrr_D2 [C]:

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

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


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]


Converter Steady State Waveforms (assuming ideal switches)


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  • STEP-1
  • STEP-2
  • STEP-3
  • STEP-4



Loading.. ILav, IL Vs. Time
IL_RMS = 5.001 A


Loading.. VL, Vin, Vout Vs. Time


Loading.. Iin, ICin Vs. Time
Iin_RMS = 1.223 A
ICin_RMS = 0.254 A


Loading.. Vp, Vs Vs. Time


Loading.. Q1_Parameters Vs. Time
Q1_VDS_RMS = 139.158 V
Q1_IDS_RMS = 3.810 A


Loading.. Q2_Parameters Vs. Time
Q2_VDS_RMS = 140.639 V
Q2_IDS_RMS = 3.442 A


Loading.. VGS Vs. Time


Loading.. VDS Vs. Time
Q1_VDS_RMS = 139.158 V
Q2_VDS_RMS = 140.639 V


Loading.. IDS Vs. Time
Q1_IDS_RMS = 3.810 A
Q2_IDS_RMS = 3.442 A


Loading.. PowerLoss Vs. Time