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Dynamic Power in CMOS Formula

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The Dynamic Power is calculated during the rise and fall of the input signal. These are smaller then the dynamic power dissipation. Check FAQs

P dyn = P sc + P s

P_dyn - Dynamic Power?P_sc - Short-Circuit Power?P_s - Switching Power?

Dynamic Power in CMOS Example

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With units

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Here is how the Dynamic Power in CMOS equation looks like with Values.

Here is how the Dynamic Power in CMOS equation looks like with Units.

Here is how the Dynamic Power in CMOS equation looks like.

46.13 = 46 + 0.13

46.13mW = 46mW + 0.13mW

46.13 = 46 + 0.13

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Dynamic Power in CMOS Solution

Follow our step by step solution on how to calculate Dynamic Power in CMOS?

FIRST Step Consider the formula

P dyn = P sc + P s

Next Step Substitute values of Variables

∴

P dyn = 46mW + 0.13mW

Next Step Convert Units

∴

P dyn = 0.046W + 0.0001W

Next Step Prepare to Evaluate

∴

P dyn = 0.046 + 0.0001

Next Step Evaluate

∴

P dyn = 0.04613W

LAST Step Convert to Output's Unit

∴

P dyn = 46.13mW

Dynamic Power in CMOS Formula Elements

Variables

Dynamic Power

The Dynamic Power is calculated during the rise and fall of the input signal. These are smaller then the dynamic power dissipation.

Symbol: P_dyn

Measurement: PowerUnit: mW

Note: Value should be greater than 0.

Formulas to find Dynamic Power

Short-Circuit Power

Short-Circuit Power is defined as the theoretical current that will run in the event of a short circuit if the protection has not yet intervened.

Symbol: P_sc

Measurement: PowerUnit: mW

Note: Value should be greater than 0.

Formulas to find Short-Circuit Power

Switching Power

Switching Power is called the dynamic power because it arises from the switching of the load.

Symbol: P_s

Measurement: PowerUnit: mW

Note: Value should be greater than 0.

Formulas to find Switching Power

Other formulas in CMOS Power Metrics category

Go Activity Factor

α = \frac{P s}{C \cdot {V bc}^{2} \cdot f}

Go Switching Power

P s = α \cdot (C \cdot {V bc}^{2} \cdot f)

Go Short-Circuit Power in CMOS

P sc = P dyn - P s

Go Static Power in CMOS

P st = P t - P dyn

How to Evaluate Dynamic Power in CMOS?

Dynamic Power in CMOS evaluator uses Dynamic Power = Short-Circuit Power+Switching Power to evaluate the Dynamic Power, The Dynamic Power in CMOS formula is calculated during the rise and fall of the input signal. These are smaller then the dynamic power dissipation. This is solely due to the energy required to charge and discharge the load capacitances. Dynamic Power is denoted by P_dyn symbol.

How to evaluate Dynamic Power in CMOS using this online evaluator? To use this online evaluator for Dynamic Power in CMOS, enter Short-Circuit Power (P_sc) & Switching Power (P_s) and hit the calculate button.

FAQs on Dynamic Power in CMOS

What is the formula to find Dynamic Power in CMOS?

The formula of Dynamic Power in CMOS is expressed as Dynamic Power = Short-Circuit Power+Switching Power. Here is an example- 46130 = 0.046+0.00013.

How to calculate Dynamic Power in CMOS?

With Short-Circuit Power (P_sc) & Switching Power (P_s) we can find Dynamic Power in CMOS using the formula - Dynamic Power = Short-Circuit Power+Switching Power.

Can the Dynamic Power in CMOS be negative?

No, the Dynamic Power in CMOS, measured in Power cannot be negative.

Which unit is used to measure Dynamic Power in CMOS?

Dynamic Power in CMOS is usually measured using the Milliwatt[mW] for Power. Watt[mW], Kilowatt[mW], Microwatt[mW] are the few other units in which Dynamic Power in CMOS can be measured.

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Dynamic Power in CMOS Formula

Dynamic Power in CMOS Example

Dynamic Power in CMOS Solution

Dynamic Power in CMOS Formula Elements

Other formulas in CMOS Power Metrics category

How to Evaluate Dynamic Power in CMOS?

FAQs on Dynamic Power in CMOS

Variable Name