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Calculation: Half-Bridge Converter (w/Diodes)

Enter Converter Data
Vin [V]: Np: Ns: Lp [H]: Vout [V]:
Iout [A]: fsw [Hz]: Lout [H]: DCRout [Ω]: Cin1 [F]:
ESRin1 [Ω]: Cin2 [F]: ESRin2 [Ω]: Cout [F]: ESRout [Ω]:
N [No. of // FETs]:

Enter Gate Driver Data
Vgdrive [V]: Rg_Ext [Ω]: Rpu [Ω]: Rpd [Ω]:

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

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


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 = 20.001 A


Loading.. VL, Vin, Vout Vs. Time


Loading.. Iin, ICin1, ICin2 Vs. Time
Iin_RMS = 9.324 A
ICin1_RMS = 2.061 A
ICin2_RMS = 3.045 A


Loading.. Vp, Vs Vs. Time


Loading.. Q1_Parameters Vs. Time
Q1_VDS_RMS = 32.813 V
Q1_IDS_RMS = 7.670 A


Loading.. Q2_Parameters Vs. Time


Loading.. VGS Vs. Time


Loading.. VDS Vs. Time
Q1_VDS_RMS = 32.813 V
Q2_VDS_RMS = 32.813 V


Loading.. IDS Vs. Time
Q1_IDS_RMS = 7.670 A
Q2_IDS_RMS = 6.594 A


Loading.. PowerLoss Vs. Time