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Calculation: Synchronous Boost Converter
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Operating Conditions
Vin [V_DC]: Vout [V_DC]: Iout [A_DC]: fsw [kHz]: N1 [Q1 // FETs]:
N2 [Q2 // FETs]:

Gate Driver Parameters
Vgdrive_Q1 [V]: Rg_Ext_Q1 [Ω]: Rpu_Q1 [Ω]: Rpd_Q1 [Ω]: Tdead [s]:
Vgdrive_Q2 [V]: Rg_Ext_Q2 [Ω]: Rpu_Q2 [Ω]: Rpd_Q2 [Ω]:

Circuit Parameters
Lin [H]: DCRin [Ω]: Kh_Lin [Constant]: B_Lin [Tesla]: x_Lin [Exponent]:
Cin [F]: ESRin [Ω]: Cout [F]: ESRout [Ω]:

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

Calculated Parameters
Tsw [s]: D: diLin [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]


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