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Junction Current Calculator

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VLSI Material Optimization Analog VLSI Design

✖Static Power is defined as the leakage current due to the very low static power consumption in CMOS devices.ⓘ Static Power [P_st]			+10% -10%
✖Base Collector Voltage is a crucial parameter in transistor biasing. It refers to the voltage difference between the base and collector terminals of the transistor when it is in its active state.ⓘ Base Collector Voltage [V_bc]			+10% -10%
✖Sub Threshold Current is subthreshold leakage through OFF transistors.ⓘ Sub Threshold Current [i_st]			+10% -10%
✖Contention Current is defined as the contention current occuring in the ratioed circuits.ⓘ Contention Current [i_con]			+10% -10%
✖Gate Current is defined as when there is no voltage between the gate and source terminals, no current flows in the drain except leakage current, because of a very high drain-source impedance.ⓘ Gate Current [i_g]			+10% -10%

✖Junction Current is junction leakage from source/drain diffusions.ⓘ Junction Current [i_j]

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Junction Current Solution

STEP 0: Pre-Calculation Summary

Formula Used

Junction Current = (Static Power/Base Collector Voltage)-(Sub Threshold Current+Contention Current+Gate Current)
i_j = (P_st/V_bc)-(i_st+i_con+i_g)
This formula uses 6 Variables

Variables Used

Junction Current - (Measured in Ampere) - Junction Current is junction leakage from source/drain diffusions.
Static Power - (Measured in Watt) - Static Power is defined as the leakage current due to the very low static power consumption in CMOS devices.
Base Collector Voltage - (Measured in Volt) - Base Collector Voltage is a crucial parameter in transistor biasing. It refers to the voltage difference between the base and collector terminals of the transistor when it is in its active state.
Sub Threshold Current - (Measured in Ampere) - Sub Threshold Current is subthreshold leakage through OFF transistors.
Contention Current - (Measured in Ampere) - Contention Current is defined as the contention current occuring in the ratioed circuits.
Gate Current - (Measured in Ampere) - Gate Current is defined as when there is no voltage between the gate and source terminals, no current flows in the drain except leakage current, because of a very high drain-source impedance.

STEP 1: Convert Input(s) to Base Unit

Static Power: 0.37 Watt --> 0.37 Watt No Conversion Required
Base Collector Voltage: 2.22 Volt --> 2.22 Volt No Conversion Required
Sub Threshold Current: 1.6 Milliampere --> 0.0016 Ampere (Check conversion here)
Contention Current: 25.75 Milliampere --> 0.02575 Ampere (Check conversion here)
Gate Current: 4.5 Milliampere --> 0.0045 Ampere (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

i_j = (P_st/V_bc)-(i_st+i_con+i_g) --> (0.37/2.22)-(0.0016+0.02575+0.0045)

Evaluating ... ...

i_j = 0.134816666666667

STEP 3: Convert Result to Output's Unit

0.134816666666667 Ampere -->134.816666666667 Milliampere (Check conversion here)

FINAL ANSWER

134.816666666667 ≈ 134.8167 Milliampere <-- Junction Current

(Calculation completed in 00.021 seconds)

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Junction Current Formula

LaTeX Go

Junction Current = (Static Power/Base Collector Voltage)-(Sub Threshold Current+Contention Current+Gate Current)
i_j = (P_st/V_bc)-(i_st+i_con+i_g)

Is MOSFET a current-control device?

The MOSFET, like the FET, is a voltage controlled device. A voltage input to the gate controls the flow of current from source to drain. The gate does not draw a continuous current.

How to Calculate Junction Current?

Junction Current calculator uses Junction Current = (Static Power/Base Collector Voltage)-(Sub Threshold Current+Contention Current+Gate Current) to calculate the Junction Current, The Junction Current formula is defined as the flow of electrons from the n-side towards the p-side of the junction takes place when there is an increase in the voltage. Junction Current is denoted by i_j symbol.

How to calculate Junction Current using this online calculator? To use this online calculator for Junction Current, enter Static Power (P_st), Base Collector Voltage (V_bc), Sub Threshold Current (i_st), Contention Current (i_con) & Gate Current (i_g) and hit the calculate button. Here is how the Junction Current calculation can be explained with given input values -> 134816.7 = (0.37/2.22)-(0.0016+0.02575+0.0045).

FAQ

What is Junction Current?

The Junction Current formula is defined as the flow of electrons from the n-side towards the p-side of the junction takes place when there is an increase in the voltage and is represented as i_j = (P_st/V_bc)-(i_st+i_con+i_g) or Junction Current = (Static Power/Base Collector Voltage)-(Sub Threshold Current+Contention Current+Gate Current). Static Power is defined as the leakage current due to the very low static power consumption in CMOS devices, Base Collector Voltage is a crucial parameter in transistor biasing. It refers to the voltage difference between the base and collector terminals of the transistor when it is in its active state, Sub Threshold Current is subthreshold leakage through OFF transistors, Contention Current is defined as the contention current occuring in the ratioed circuits & Gate Current is defined as when there is no voltage between the gate and source terminals, no current flows in the drain except leakage current, because of a very high drain-source impedance.

How to calculate Junction Current?

The Junction Current formula is defined as the flow of electrons from the n-side towards the p-side of the junction takes place when there is an increase in the voltage is calculated using Junction Current = (Static Power/Base Collector Voltage)-(Sub Threshold Current+Contention Current+Gate Current). To calculate Junction Current, you need Static Power (P_st), Base Collector Voltage (V_bc), Sub Threshold Current (i_st), Contention Current (i_con) & Gate Current (i_g). With our tool, you need to enter the respective value for Static Power, Base Collector Voltage, Sub Threshold Current, Contention Current & Gate Current 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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