Power Electronics Calculators
Free, instant calculators for hardware engineers. No login required. Enter your parameters and get results with the exact formulas used.
Buck Converter Calculator
Design a step-down DC-DC converter. Calculates duty cycle, inductor, and output capacitor.
Boost Converter Calculator
Design a step-up DC-DC converter. Calculates duty cycle, inductor, and output capacitor.
MOSFET Gate Driver Calculator
Calculate the gate resistor for a target rise time, peak gate current, and switching losses.
Inductor Design Calculator
Size an inductor for a buck topology. Outputs inductance, peak current, and stored energy.
CAN Bus Bit Timing Calculator
Generate prescaler, TSEG1/2, and SJW register values for STM32, ESP32, and NXP S32K.
About these calculators
All calculations are performed client-side in your browser using industry-standard formulas from TI, Infineon, and IEEE application notes. Results are for design guidance only — always verify against your component datasheets before manufacturing.