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Dynamic Power Consumption Calculator

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Performance Metrics System Design

✖Switching Activity Factor (A) of a circuit node is the probability the given node will change its state from 1 to 0 or vice versa at a given clock tick.ⓘ Switching Activity Factor [α]			+10% -10%
✖Switched Capacitance is energizing a capacitor bank as well as de-energizing a capacitor bank.ⓘ Switched Capacitance [C_sw]			+10% -10%
✖Frequency is more operations within a given amount of time.ⓘ Frequency [f]			+10% -10%
✖Supply Voltage is maximum voltage that can be supplied between the positive supply (VCC) and negative supply (VEE) pins without causing characteristics degradation or damage to the internal circuit.ⓘ Supply Voltage [V_s]			+10% -10%

✖Dynamic Power Consumption due to the charge and discharge of the interconnect and input gate capacitance during a signal transition.ⓘ Dynamic Power Consumption [P_dyn]

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Dynamic Power Consumption Solution

STEP 0: Pre-Calculation Summary

Formula Used

Dynamic Power Consumption = Switching Activity Factor*Switched Capacitance*Frequency*Supply Voltage^2
P_dyn = α*C_sw*f*V_s^2
This formula uses 5 Variables

Variables Used

Dynamic Power Consumption - (Measured in Watt) - Dynamic Power Consumption due to the charge and discharge of the interconnect and input gate capacitance during a signal transition.
Switching Activity Factor - Switching Activity Factor (A) of a circuit node is the probability the given node will change its state from 1 to 0 or vice versa at a given clock tick.
Switched Capacitance - (Measured in Farad) - Switched Capacitance is energizing a capacitor bank as well as de-energizing a capacitor bank.
Frequency - (Measured in Hertz) - Frequency is more operations within a given amount of time.
Supply Voltage - (Measured in Volt) - Supply Voltage is maximum voltage that can be supplied between the positive supply (VCC) and negative supply (VEE) pins without causing characteristics degradation or damage to the internal circuit.

STEP 1: Convert Input(s) to Base Unit

Switching Activity Factor: 0.18 --> No Conversion Required
Switched Capacitance: 1.25 Farad --> 1.25 Farad No Conversion Required
Frequency: 16 Hertz --> 16 Hertz No Conversion Required
Supply Voltage: 2.75 Volt --> 2.75 Volt No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

P_dyn = α*C_sw*f*V_s^2 --> 0.18*1.25*16*2.75^2

Evaluating ... ...

P_dyn = 27.225

STEP 3: Convert Result to Output's Unit

27.225 Watt -->0.027225 Kilowatt (Check conversion here)

FINAL ANSWER

0.027225 Kilowatt <-- Dynamic Power Consumption

(Calculation completed in 00.020 seconds)

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Created by Surya Tiwari

Punjab Engineering College (PEC), Chandigarh, India

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Dynamic Power Consumption Formula

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Dynamic Power Consumption = Switching Activity Factor*Switched Capacitance*Frequency*Supply Voltage^2
P_dyn = α*C_sw*f*V_s^2

What is Dynamic Power Consumption?

Dynamic Power is the major component of the power dissipated in circuits and also contributes to the peak power. It is a function of the supply voltage, the switching frequency and the output load.

How to Calculate Dynamic Power Consumption?

Dynamic Power Consumption calculator uses Dynamic Power Consumption = Switching Activity Factor*Switched Capacitance*Frequency*Supply Voltage^2 to calculate the Dynamic Power Consumption, Dynamic Power Consumption the dissipated power due to the charge and discharge of the interconnect and input gate capacitance during a signal transition. Dynamic Power Consumption is denoted by P_dyn symbol.

How to calculate Dynamic Power Consumption using this online calculator? To use this online calculator for Dynamic Power Consumption, enter Switching Activity Factor (α), Switched Capacitance (C_sw), Frequency (f) & Supply Voltage (V_s) and hit the calculate button. Here is how the Dynamic Power Consumption calculation can be explained with given input values -> 2.7E-5 = 0.18*1.25*16*2.75^2.

FAQ

What is Dynamic Power Consumption?

Dynamic Power Consumption the dissipated power due to the charge and discharge of the interconnect and input gate capacitance during a signal transition and is represented as P_dyn = α*C_sw*f*V_s^2 or Dynamic Power Consumption = Switching Activity Factor*Switched Capacitance*Frequency*Supply Voltage^2. Switching Activity Factor (A) of a circuit node is the probability the given node will change its state from 1 to 0 or vice versa at a given clock tick, Switched Capacitance is energizing a capacitor bank as well as de-energizing a capacitor bank, Frequency is more operations within a given amount of time & Supply Voltage is maximum voltage that can be supplied between the positive supply (VCC) and negative supply (VEE) pins without causing characteristics degradation or damage to the internal circuit.

How to calculate Dynamic Power Consumption?

Dynamic Power Consumption the dissipated power due to the charge and discharge of the interconnect and input gate capacitance during a signal transition is calculated using Dynamic Power Consumption = Switching Activity Factor*Switched Capacitance*Frequency*Supply Voltage^2. To calculate Dynamic Power Consumption, you need Switching Activity Factor (α), Switched Capacitance (C_sw), Frequency (f) & Supply Voltage (V_s). With our tool, you need to enter the respective value for Switching Activity Factor, Switched Capacitance, Frequency & Supply Voltage 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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