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Calculation: Full-Bridge Converter (w/FETs) Scheme2

Enter Converter Data

Vin [V]:		Np:		Ns:		Lp [H]:		Vout [V]:
Iout [A]:		fsw [Hz]:		Lout [H]:		DCRout [Ω]:		Cin [F]:
ESRin [Ω]:		Cout [F]:		ESRout [Ω]:		N1 [Primary // FETs]:		N2 [Secondary // FETs]:

Enter Gate Driver Data

Vgdrive_pri [V]:		Rg_Ext_pri [Ω]:		Rpu_pri [Ω]:		Rpd_pri [Ω]:		Vgdrive_sec [V]:
Rg_Ext_sec [Ω]:		Rpu_sec [Ω]:		Rpd_sec [Ω]:		Tdelay [s]:

Enter Thermal Data

TJ_Q1 [°C]:		TJ_Q2 [°C]:		TJ_Q3 [°C]:		TJ_Q4 [°C]:		TJ_Q5 [°C]:
TJ_Q6 [°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]:		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]

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]

Converter Steady State Waveforms (assuming ideal switches)

STEP-1
STEP-2
STEP-3
STEP-4
STEP-5
STEP-6
STEP-7
STEP-8

Loading.. ILav, IL Vs. Time

IL_RMS = 20.003 A

Loading.. VL, Vin, Vout Vs. Time

Loading.. Iin, ICin Vs. Time

Iin_RMS = 9.325 A
ICin_RMS = 3.394 A

Loading.. Vp, Vs Vs. Time

Loading.. Q1_Q4_Parameters Vs. Time

Q1_VDS_RMS = 32.813 V
Q1_IDS_RMS = 7.671 A

Loading.. Q2_Q3_Parameters Vs. Time

Q2_VDS_RMS = 32.813 V
Q2_IDS_RMS = 6.595 A

Loading.. Q5_Parameters Vs. Time

Q5_VDS_RMS = 36.815 V
Q5_IDS_RMS = 13.544 A

Loading.. Q6_Parameters Vs. Time

Q6_VDS_RMS = 31.650 V
Q6_IDS_RMS = 13.543 A

Loading.. VGS Vs. Time

Loading.. VDS Vs. Time

Q1_VDS_RMS = 32.813 V
Q2_VDS_RMS = 32.813 V
Q5_VDS_RMS = 36.815 V
Q6_VDS_RMS = 31.650 V

Loading.. IDS Vs. Time

Q1_IDS_RMS = 7.671 A
Q2_IDS_RMS = 6.595 A
Q5_IDS_RMS = 13.544 A
Q6_IDS_RMS = 13.543 A

Loading.. PowerLoss Vs. Time