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Calculation: Cascaded H-Bridge Multi-Level Inverter

Operating Conditions

Vin1 [V]:		Vin2 [V]:		Iout [A_AC RMS]:		PF:		R [Ω]:
Lout [H]:		DCRout [Ω]:		N1 [Inverter1 // FETs]:		N2 [Inverter2 // FETs]:

PWM Parameters

Ar [V]:

Ac [V]:

fs [Hz]:

fsw [kHz]:

Gate Driver Parameters

Vgdrive_Inv1 [V]:		Rg_Ext_Inv1 [Ω]:		Rpu_Inv1 [Ω]:		Rpd_Inv1 [Ω]:		Tdead [s]:
Vgdrive_Inv2 [V]:		Rg_Ext_Inv2 [Ω]:		Rpu_Inv2 [Ω]:		Rpd_Inv2 [Ω]:

Circuit Parameters

Kh_Lout [Constant]:		B_Lout [Tesla]:		x_Lout [Exponent]:		Cin1 [F]:		ESRin1 [Ω]:
Cin2 [F]:		ESRin2 [Ω]:

Thermal Parameters

TJ_Q1 [°C]:		TJ_Q2 [°C]:		TJ_Q3 [°C]:		TJ_Q4 [°C]:		TJ_Q5 [°C]:
TJ_Q6 [°C]:		TJ_Q7 [°C]:		TJ_Q8 [°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 [for Rdson @TA]:

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)

Loading.. Vin, Vout Vs. Time

Vout_RMS = 170.397 A

Loading.. Iin1, ICin1 Vs. Time

Iin1_RMS = 14.764 A
ICin1_RMS = 27.053 A

Loading.. Iin2, ICin2 Vs. Time

Iin2_RMS = 14.764 A
ICin2_RMS = 27.053 A

Loading.. Q1_Q2_Parameters Vs. Time

Q1_VDS_RMS = 92.425 V
Q1_IDS_RMS = 8.105 A

Loading.. Q3_Q4_Parameters Vs. Time

Q3_VDS_RMS = 92.974 V
Q3_IDS_RMS = 8.011 A

Loading.. Q5_Q6_Parameters Vs. Time

Q5_VDS_RMS = 170.432 V
Q5_IDS_RMS = 8.365 A

Loading.. Q7_Q8_Parameters Vs. Time

Q7_VDS_RMS = 184.850 V
Q7_IDS_RMS = 8.943 A

Loading.. VGS Vs. Time

Loading.. VDS Vs. Time

Q1_VDS_RMS = 92.425 V
Q2_VDS_RMS = 92.425 V
Q3_VDS_RMS = 92.974 V
Q4_VDS_RMS = 92.974 V
Q5_VDS_RMS = 170.432 V
Q6_VDS_RMS = 170.432 V
Q7_VDS_RMS = 184.850 V
Q8_VDS_RMS = 184.850 V

Loading.. IDS Vs. Time

Q1_IDS_RMS = 8.105 V
Q2_IDS_RMS = 8.105 V
Q3_IDS_RMS = 8.011 V
Q4_IDS_RMS = 8.011 V
Q5_IDS_RMS = 8.365 V
Q6_IDS_RMS = 8.365 V
Q7_IDS_RMS = 8.943 V
Q8_IDS_RMS = 8.943 V

Loading.. PowerLoss Vs. Time