Input Capacitance of IGBT Calculator

✖Gate to Emitter Capacitance(C_GE) of an IGBT is the capacitance between the gate and emitter terminals of the device.ⓘ Gate to Emitter Capacitance [C_(g-e)]			+10% -10%
✖Gate to Collector Capacitance also known as the Miller capacitance, is a parasitic capacitance that exists between the gate and collector terminals of an IGBT.ⓘ Gate to Collector Capacitance [C_(g-c)]			+10% -10%

✖Input Capacitance of an IGBT is the capacitance between the gate and emitter terminals of the device.ⓘ Input Capacitance of IGBT [C_in]

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Formula

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Input Capacitance of IGBT

Formula

`"C"_{"in"} = "C"_{"(g-e)"}+"C"_{"(g-c)"}`

Example

`"5.76F"="0.21F"+"5.55F"`

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Input Capacitance of IGBT Solution

STEP 0: Pre-Calculation Summary

Formula Used

Input Capacitance = Gate to Emitter Capacitance+Gate to Collector Capacitance
C_in = C_(g-e)+C_(g-c)
This formula uses 3 Variables

Variables Used

Input Capacitance - (Measured in Farad) - Input Capacitance of an IGBT is the capacitance between the gate and emitter terminals of the device.
Gate to Emitter Capacitance - (Measured in Farad) - Gate to Emitter Capacitance(C_GE) of an IGBT is the capacitance between the gate and emitter terminals of the device.
Gate to Collector Capacitance - (Measured in Farad) - Gate to Collector Capacitance also known as the Miller capacitance, is a parasitic capacitance that exists between the gate and collector terminals of an IGBT.

STEP 1: Convert Input(s) to Base Unit

Gate to Emitter Capacitance: 0.21 Farad --> 0.21 Farad No Conversion Required
Gate to Collector Capacitance: 5.55 Farad --> 5.55 Farad No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

C_in = C_(g-e)+C_(g-c) --> 0.21+5.55

Evaluating ... ...

C_in = 5.76

STEP 3: Convert Result to Output's Unit

5.76 Farad --> No Conversion Required

FINAL ANSWER

5.76 Farad <-- Input Capacitance

(Calculation completed in 00.004 seconds)

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Created by Mohamed Fazil V

Acharya institute of technology (AIT), Bengaluru

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< 8 IGBT Calculators

Nominal Continuous Collector Current of IGBT

Go Forward Current = (-Total Voltage of Collector and Emitter+sqrt((Total Voltage of Collector and Emitter)^2+4*Resistance of Collector and Emitter*((Maximum Operating Junction-Case Temperature)/Thermal Resistance)))/(2*Resistance of Collector and Emitter)

Voltage Drop in IGBT in ON-State

Go Voltage Drop ON Stage = Forward Current*N Channel Resistance+Forward Current*Drift Resistance+Voltage Pn Junction 1

Saturation Voltage of IGBT

Go Collector to Emitter Saturation Voltage = Base Emitter Voltage of PNP Transistor+Drain Current*(Conductivity Resistance+N Channel Resistance)

IGBT Turn OFF Time

Go Turn OFF Time = Delay Time+Initial Fall Time+Final Fall Time

Maximum Power Dissipation in IGBT

Go Maximum Power Dissipation = Maximum Operating Junction/Junction to Case Angle

Input Capacitance of IGBT

Go Input Capacitance = Gate to Emitter Capacitance+Gate to Collector Capacitance

Breakdown Voltage of Forward Biased of IGBT

Go Breakdown Voltage on Safe Operating Area = (5.34*10^13)/((Net Positive Charge)^(3/4))

Emitter Current of IGBT

Go Emitter Current = Hole Current+Electronic Current

Input Capacitance of IGBT Formula

Input Capacitance = Gate to Emitter Capacitance+Gate to Collector Capacitance
C_in = C_(g-e)+C_(g-c)

What is Input Capacitance ?

The input capacitance of an IGBT (Insulated Gate Bipolar Transistor) is a parameter that characterizes the capacitive behavior of the IGBT at its input, which is the gate terminal. It is often denoted as C_ies (Input Capacitance) in datasheets and technical specifications. Designers of IGBT-based circuits need to consider C_ies when selecting appropriate gate drivers and IGBTs for their applications to ensure proper switching performance and efficient operation. Minimizing the impact of input capacitance is often a key consideration in achieving high-performance power electronic systems.

How to Calculate Input Capacitance of IGBT?

Input Capacitance of IGBT calculator uses Input Capacitance = Gate to Emitter Capacitance+Gate to Collector Capacitance to calculate the Input Capacitance, Input Capacitance of IGBT of an Insulated Gate Bipolar Transistor (IGBT) is a parameter that characterizes the capacitive behavior of the IGBT at its input, specifically at the gate terminal. The input capacitance is typically denoted as C_ies (Input Capacitance) in datasheets and technical specifications. Input Capacitance is denoted by C_in symbol.

How to calculate Input Capacitance of IGBT using this online calculator? To use this online calculator for Input Capacitance of IGBT, enter Gate to Emitter Capacitance (C_(g-e)) & Gate to Collector Capacitance (C_(g-c)) and hit the calculate button. Here is how the Input Capacitance of IGBT calculation can be explained with given input values -> 5.76 = 0.21+5.55.

FAQ

What is Input Capacitance of IGBT?

Input Capacitance of IGBT of an Insulated Gate Bipolar Transistor (IGBT) is a parameter that characterizes the capacitive behavior of the IGBT at its input, specifically at the gate terminal. The input capacitance is typically denoted as C_ies (Input Capacitance) in datasheets and technical specifications and is represented as C_in = C_(g-e)+C_(g-c) or Input Capacitance = Gate to Emitter Capacitance+Gate to Collector Capacitance. Gate to Emitter Capacitance(C_GE) of an IGBT is the capacitance between the gate and emitter terminals of the device & Gate to Collector Capacitance also known as the Miller capacitance, is a parasitic capacitance that exists between the gate and collector terminals of an IGBT.

How to calculate Input Capacitance of IGBT?

Input Capacitance of IGBT of an Insulated Gate Bipolar Transistor (IGBT) is a parameter that characterizes the capacitive behavior of the IGBT at its input, specifically at the gate terminal. The input capacitance is typically denoted as C_ies (Input Capacitance) in datasheets and technical specifications is calculated using Input Capacitance = Gate to Emitter Capacitance+Gate to Collector Capacitance. To calculate Input Capacitance of IGBT, you need Gate to Emitter Capacitance (C_(g-e)) & Gate to Collector Capacitance (C_(g-c)). With our tool, you need to enter the respective value for Gate to Emitter Capacitance & Gate to Collector Capacitance and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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