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Calculation: Two Switch Boost Converter

Enter Converter Data
Vin [V]: Vout [V]: Iout [A]: fsw [Hz]: Lin [H]:
DCRin [Ω]: Cin [F]: ESRin [Ω]: Cout [F]: ESRout [Ω]:
N1 [Q1 // FETs]: N2 [Q2 // FETs]:

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

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


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=Iin Vs. Time
IL_RMS = 5.003 A


Loading.. VL, Vin, Vout Vs. Time


Loading.. ICin Vs. Time
ICin_RMS = 0.144 A


Loading.. Q1_Parameters Vs. Time
Q1_VDS_RMS = 21.913 V
Q1_IDS_RMS = 4.531 A


Loading.. Q2_Parameters Vs. Time
Q2_VDS_RMS = 33.506 V
Q2_IDS_RMS = 2.734 A


Loading.. VGS Vs. Time


Loading.. VDS Vs. Time
Q1_VDS_RMS = 21.913 V
Q2_VDS_RMS = 33.506 V


Loading.. IDS Vs. Time
Q1_IDS_RMS = 4.531 A
Q2_IDS_RMS = 2.734 A


Loading.. PowerLoss Vs. Time