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Calculation: Dual Active Bridge

Enter Operating Conditions
Vin [V_DC]: Np: Ns: Vout [V_DC]: Iout [A_DC]:
fsw [Hz]: N1 [Inverter // FETs]: N2 [Rectifier // FETs]:

Enter Gate Driver Parameters
Vgdrive_Inv [V]: Rg_Ext_Inv [Ω]: Rpu_Inv [Ω]: Rpd_Inv [Ω]: Tdead [s]:
Vgdrive_Rect [V]: Rg_Ext_Rect [Ω]: Rpu_Rect [Ω]: Rpd_Rect [Ω]:

Enter Transformer Parameters
fs [Hz]: 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]:

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

Enter Thermal Parameters
TA [°C]: RthCA_Q1 [°C/W]: RthCA_Q2 [°C/W]: RthCA_Q3 [°C/W]: RthCA_Q4 [°C/W]:
RthCA_Q5 [°C/W]: RthCA_Q6 [°C/W]: RthCA_Q7 [°C/W]: RthCA_Q8 [°C/W]: TempCoeff [Rdson-TC Default]:

Calculated Parameters
Tsw [s]: D: Tdelay [s]: Ls [H]: Lin [H]:
diLin [in %]: dVCout [in %]:


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]

Select Mosfet Part [Q7]

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 [Q8]

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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Loading.. Vab, Vp, Vcd = Vs Vs. Time


Loading.. VL, Vin, Vout Vs. Time


Loading.. IL, Iout Vs. Time
IL_RMS = 14.491 A
Iout_RMS = 28.982 A


Loading.. Iin, ICin Vs. Time
Iin_RMS = 14.187 A
ICin_RMS = 11.877 A


Loading.. Q1_Q2_Parameters Vs. Time
Q1_VDS_RMS = 703.257 V
Q1_IDS_RMS = 11.644 A


Loading.. Q3_Q4_Parameters Vs. Time
Q3_VDS_RMS = 703.257 V
Q3_IDS_RMS = 9.998 A


Loading.. Q5_Q6_Parameters Vs. Time
Q5_VDS_RMS = 258.947 V
Q5_IDS_RMS = 21.568 A


Loading.. Q7_Q8_Parameters Vs. Time
Q7_VDS_RMS = 300.627 V
Q7_IDS_RMS = 20.285 A


Loading.. VGS Vs. Time


Loading.. VDS Vs. Time
Q1_VDS_RMS = 703.257 V
Q2_VDS_RMS = 703.257 V
Q3_VDS_RMS = 703.257 V
Q4_VDS_RMS = 703.257 V
Q5_VDS_RMS = 258.947 V
Q6_VDS_RMS = 258.947 V
Q7_VDS_RMS = 300.627 V
Q8_VDS_RMS = 300.627 V


Loading.. IDS Vs. Time
Q1_IDS_RMS = 11.644 V
Q2_IDS_RMS = 11.644 V
Q3_IDS_RMS = 9.998 V
Q4_IDS_RMS = 9.998 V
Q5_IDS_RMS = 21.568 V
Q6_IDS_RMS = 21.568 V
Q7_IDS_RMS = 20.285 V
Q8_IDS_RMS = 20.285 V


Loading.. PowerLoss Vs. Time