Powerelectronics Engineering

Switch converter ripple current calculator

Switch converter ripple current engineering calculator. Formula: ripple_current = input_voltage * duty_cycle * (1 - duty_cycle) / (switch_frequency * inductance).

Quick Answer

Calculate Switch converter ripple current

Calculator

Ripple current (A)
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Result Interpretation

The result shows Ripple current in A, computed directly from the entered inputs using the formula defined for this tool.

Worked Example

Verified calculation

Given:

  • input_voltage = 12
  • duty_cycle = 0.5
  • switch_frequency = 100000
  • inductance = 1.0E-5

Expected Result:

  • ripple_current = 3

The actual numerical result is computed by the Runtime engine using the persisted tool definition. The values shown here come from automatically validated test cases.

Formula / Method

ripple_current = input_voltage * duty_cycle * (1 - duty_cycle) / (switch_frequency * inductance)

Formula family: formula_pe_switch_ripple

Variables

SymbolLabelRoleDescription
input_voltage Input voltage INPUT Input voltage
duty_cycle Duty cycle INPUT Duty cycle
switch_frequency Switch frequency INPUT Switch frequency
inductance Inductance INPUT Inductance
ripple_current Ripple current OUTPUT Ripple current

Calculation Steps

  1. Enter the input voltage in V.
  2. Enter the duty cycle in ratio.
  3. Enter the switch frequency in Hz.
  4. Enter the inductance in H.
  5. Step 1: Compute ripple current.
  6. Read the ripple current (A) from the results.

Engineering Summary

Calculate Switch converter ripple current The calculation uses Direct formula — ripple_current = input_voltage * duty_cycle * (1 - duty_cycle) / (switch_frequency * inductance). This tool is applicable in powerelectronics.toolfusion.net.

Notes / Limitations

  • ASSUMPTION
  • ASSUMPTION

Frequently Asked Questions

What does this calculator calculate?

The Switch converter ripple current calculator estimates Ripple current based on the input parameters you provide

What units should I use for the inputs?

Enter each value in the units shown next to the input field: Input voltage (V), Duty cycle (ratio), Switch frequency (Hz), Inductance (H). Make sure all inputs use the specified units for consistent results

How does Input voltage affect the results?

The input voltage directly affects: Ripple current. Increasing or decreasing this value will change these output values according to the engineering formula

How should I interpret the calculated results?

The calculator provides the following outputs: ripple current in A. Results are computed from the input values using the defined calculation method. Always verify results against project-specific requirements and applicable standards

What assumptions does this calculator use?

This calculator uses automatically validated engineering formulas; the calculation method is based on Direct formula ripple_current = input_voltage * duty_cycle * (1 duty_cycle) / (switch_frequency * inductance). Results are approximate and should be validated against site-specific conditions, applicable codes, and professional engineering judgment

When is this calculation useful?

The Switch converter ripple current calculator is useful during preliminary design, feasibility studies, and quick engineering checks in powerelectronics.toolfusion.net projects. It helps engineers and designers estimate key parameters before proceeding with detailed analysis

Technical Details
Assumption
Assumption

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