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Current in Inversion Channel of PMOS Formula

GoDrain Current in Triode Region of PMOS Transistor Formula

GoDrain Current in Triode Region of PMOS Transistor given Vsd Formula

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Drain current is the electric current flowing from the drain to the source of a field-effect transistor (FET) or a metal-oxide-semiconductor field-effect transistor (MOSFET). Check FAQs

I d = (W \cdot Q p \cdot V y)

I_d - Drain Current?W - Width of Junction?Q_p - Inversion Layer Charge?V_y - Drift Velocity of Inversion?

Current in Inversion Channel of PMOS Example

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Here is how the Current in Inversion Channel of PMOS equation looks like with Values.

Here is how the Current in Inversion Channel of PMOS equation looks like with Units.

Here is how the Current in Inversion Channel of PMOS equation looks like.

29.5965 = (1.19 \cdot 0.0017 \cdot 1463)

29.5965mA = (1.19m \cdot 0.0017C/m² \cdot 1463cm/s)

29.5965 = (1.19 \cdot 0.0017 \cdot 1463)

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Current in Inversion Channel of PMOS Solution

Follow our step by step solution on how to calculate Current in Inversion Channel of PMOS?

FIRST Step Consider the formula

I d = (W \cdot Q p \cdot V y)

Next Step Substitute values of Variables

∴

I d = (1.19m \cdot 0.0017C/m² \cdot 1463cm/s)

Next Step Convert Units

∴

I d = (1.19m \cdot 0.0017C/m² \cdot 14.63m/s)

Next Step Prepare to Evaluate

∴

I d = (1.19 \cdot 0.0017 \cdot 14.63)

Next Step Evaluate

∴

I d = 0.02959649A

Next Step Convert to Output's Unit

∴

I d = 29.59649mA

LAST Step Rounding Answer

∴

I d = 29.5965mA

Current in Inversion Channel of PMOS Formula Elements

Variables

Drain Current

Drain current is the electric current flowing from the drain to the source of a field-effect transistor (FET) or a metal-oxide-semiconductor field-effect transistor (MOSFET).

Symbol: I_d

Measurement: Electric CurrentUnit: mA

Note: Value should be greater than 0.

Formulas to find Drain Current

Width of Junction

Width of junction is the parameter which signifies how wide is the base junction of any analog electronics element.

Symbol: W

Measurement: LengthUnit: m

Note: Value can be positive or negative.

Formulas to find Width of Junction

Inversion Layer Charge

Inversion layer charge refers to the accumulation of charge carriers at the interface between the semiconductor and the insulating oxide layer when a voltage is applied to the gate electrode.

Symbol: Q_p

Measurement: Surface Charge DensityUnit: C/m²

Note: Value can be positive or negative.

Formulas to find Inversion Layer Charge

Drift Velocity of Inversion

The drift velocity of inversion layer in a MOSFET is the average velocity of the electrons that make up the inversion layer as they move through the material under the influence of an electric field.

Symbol: V_y

Measurement: SpeedUnit: cm/s

Note: Value can be positive or negative.

Formulas to find Drift Velocity of Inversion

Other Formulas to find Drain Current

Go Drain Current in Triode Region of PMOS Transistor

I d = k' p \cdot WL \cdot ((V GS - mod \underset{̲}{u} s (V T)) \cdot V DS - \frac{1}{2} \cdot {(V DS)}^{2})

Go Drain Current in Triode Region of PMOS Transistor given Vsd

I d = k' p \cdot WL \cdot (mod \underset{̲}{u} s (V ov) - \frac{1}{2} \cdot V DS) \cdot V DS

Go Overall Drain Current of PMOS Transistor

I d = \frac{1}{2} \cdot k' p \cdot WL \cdot {(V GS - mod \underset{̲}{u} s (V T))}^{2} \cdot (1 + \frac{V DS}{mod} \underset{̲}{u} s (V a))

Go Drain Current from Source to Drain

I d = (W \cdot Q p \cdot μ p \cdot E y)

Other formulas in P Channel Enhancement category

Go Drain Current in Saturation Region of PMOS Transistor

I ds = \frac{1}{2} \cdot k' p \cdot WL \cdot {(V GS - mod \underset{̲}{u} s (V T))}^{2}

Go Drain Current in Saturation Region of PMOS Transistor given Vov

I ds = \frac{1}{2} \cdot k' p \cdot WL \cdot {(V ov)}^{2}

Go Process Transconductance Parameter of PMOS

k' p = μ p \cdot C ox

Go Current in Inversion Channel of PMOS given Mobility

V y = μ p \cdot E y

How to Evaluate Current in Inversion Channel of PMOS?

Current in Inversion Channel of PMOS evaluator uses Drain Current = (Width of Junction*Inversion Layer Charge*Drift Velocity of Inversion) to evaluate the Drain Current, The Current in Inversion Channel of PMOS formula is defined as the current in the inversion channel is an important parameter for PMOS transistor operation as it determines the functionality of the transistor, such as its gain and output characteristics. Drain Current is denoted by I_d symbol.

How to evaluate Current in Inversion Channel of PMOS using this online evaluator? To use this online evaluator for Current in Inversion Channel of PMOS, enter Width of Junction (W), Inversion Layer Charge (Q_p) & Drift Velocity of Inversion (V_y) and hit the calculate button.

FAQs on Current in Inversion Channel of PMOS

What is the formula to find Current in Inversion Channel of PMOS?

The formula of Current in Inversion Channel of PMOS is expressed as Drain Current = (Width of Junction*Inversion Layer Charge*Drift Velocity of Inversion). Here is an example- 29596.49 = (1.19*0.0017*14.63).

How to calculate Current in Inversion Channel of PMOS?

With Width of Junction (W), Inversion Layer Charge (Q_p) & Drift Velocity of Inversion (V_y) we can find Current in Inversion Channel of PMOS using the formula - Drain Current = (Width of Junction*Inversion Layer Charge*Drift Velocity of Inversion).

What are the other ways to Calculate Drain Current?

Here are the different ways to Calculate Drain Current-

Drain Current=Process Transconductance Parameter in PMOS*Aspect Ratio*((Voltage between Gate and Source-modulus(Threshold Voltage))*Voltage between Drain and Source-1/2*(Voltage between Drain and Source)^2)
Drain Current=Process Transconductance Parameter in PMOS*Aspect Ratio*(modulus(Effective Voltage)-1/2*Voltage between Drain and Source)*Voltage between Drain and Source
Drain Current=1/2*Process Transconductance Parameter in PMOS*Aspect Ratio*(Voltage between Gate and Source-modulus(Threshold Voltage))^2*(1+Voltage between Drain and Source/modulus(Early Voltage))

Can the Current in Inversion Channel of PMOS be negative?

No, the Current in Inversion Channel of PMOS, measured in Electric Current cannot be negative.

Which unit is used to measure Current in Inversion Channel of PMOS?

Current in Inversion Channel of PMOS is usually measured using the Milliampere[mA] for Electric Current. Ampere[mA], Microampere[mA], Centiampere[mA] are the few other units in which Current in Inversion Channel of PMOS can be measured.

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Current in Inversion Channel of PMOS Formula

​GoDrain Current in Triode Region of PMOS Transistor Formula

​GoDrain Current in Triode Region of PMOS Transistor given Vsd Formula

Current in Inversion Channel of PMOS Example

Current in Inversion Channel of PMOS Solution

Current in Inversion Channel of PMOS Formula Elements

Other Formulas to find Drain Current

Other formulas in P Channel Enhancement category

How to Evaluate Current in Inversion Channel of PMOS?

FAQs on Current in Inversion Channel of PMOS

Variable Name

GoDrain Current in Triode Region of PMOS Transistor Formula

GoDrain Current in Triode Region of PMOS Transistor given Vsd Formula