Calculation Support Tools
Calculation Support Tools
These useful tools not only provide simple calculations such as resistance divider, composite resistance, and power unit conversion, but also simplify complicated calculations such as the maximum inductor current of a DC/DC switching regulator.
Caution：
The results of the calculations in these tools are theoretical values based on ideal conditions. Please note that there may be some errors in the calculation results. The content of these tools is subject to change or deletion without prior notice.
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| Tool Name | Description |
|---|---|
|
NEW DC/DC Switching Regulator (Converter) Application Calculation Tool |
This tool performs typical circuit calculations for a voltage-mode controlled DC/DC converter. |
| Window Comparator Circuit Calculation Tool | This tool calculates reference voltages and resistor values in a window comparator circuit. |
| Common-Mode Input Voltage Range Calculation Tool for Operational Amplifiers and Comparators | This tool calculates the common-mode input voltage range (VICM) at the actual supply voltage used according to the electrical-characteristics VICM values. |
| Real Time Clock (RTC) Error Calculation Tool | This tool calculates clock error based on the measured 32.768 kHz or 1 Hz output from the RTC. |
| Hysteresis Comparator Threshold Voltage Calculator | This tool calculates the threshold voltage of a hysteresis comparator. |
| Power Consumption Calculation Tool for Operational Amplifiers in Voltage Followers | Calculates power consumption in no-load, source-current, and sink-current states. |
| Temperature Acceleration Rate Calculation Tool for Arrhenius Models | Calculates temperature acceleration rate based on the Arrhenius model. |
| Maximum Operating Frequency Calculation Tool | Calculates the maximum frequency a voltage-follower circuit can handle from an op-amp’s slew rate. |
| LED Current in Parallel Calculation Tool | Calculates each LED current and their differences when LEDs with different VF values are connected in parallel. |
| Thermal Resistance Calculation Tool | Calculates thermal resistance (θja) from power dissipation (Pd). |
|
Shunt Regulator Calculation Tool [IC / Anode / Cathode] |
Calculates parameters for a shunt regulator in a VKA > VREF circuit. |
| RC Low-Pass Filter Calculation Tool | Displays the frequency response of an RC low-pass filter. |
| Capacitor Charge and Discharge Time Calculation Tool | Displays graphs of capacitor charge and discharge times through resistance. |
| Inductor Maximum Current Calculation Tool | Calculates maximum inductor current (IL.MAX) in PWM-CCM switching regulators. |
| Voltage Divider and Total Resistance Calculation Tool | Calculates voltage-divider ratios and equivalent resistance from input values. |
| Power Conversion Calculation Tool | Converts units of electric power. |