Calculator category
MOSFET Calculators
MOSFET calculators help engineers evaluate power switching devices during hardware design. They focus on conduction loss, gate drive behavior, thermal margin, and package-level constraints that affect power converters, motor drivers, load switches, and protection circuits.
Available Calculators
10
In Development
0
Coming Soon
0
Calculators
Available tools link to working calculators. In-development and coming-soon tools show the current roadmap for this category.
PurposeEstimate hot RDS(on), RMS current, and conduction loss with duty cycle and parallel devices.
InputVoltage / Current
OutputValue / Margin
PurposeEstimate gate current, external resistance, switching time, and gate-drive energy.
InputVoltage / Current
OutputValue / Margin
PurposeEstimate turn-on, turn-off, per-cycle energy, and switching power loss.
InputVoltage / Current / Rating
OutputPower / Margin
PurposeCombine conduction, switching, and gate-drive loss with junction-temperature and thermal-margin estimates.
InputVoltage / Current / Rating
OutputPower / Margin
PurposeEstimate junction temperature and thermal margin, or solve maximum power and required θJA.
InputVoltage / Current / Rating
OutputPower / Margin
PurposeCalculate gate energy, driver power, average gate current, device count, and efficiency effects.
InputVoltage / Current / Rating
OutputPower / Margin
PurposeCheck SOA margin or calculate maximum current and voltage from device boundaries.
InputVoltage / Current
OutputValue / Margin
PurposeEstimate current imbalance, worst-case device current, RDS(on) mismatch, and conduction loss.
InputVoltage / Current
OutputValue / Margin
PurposeCalculate total thermal resistance, junction temperature, and required heatsink θSA.
InputVoltage / Current / Rating
OutputPower / Margin
PurposeCombine conduction, switching, and gate-drive loss to estimate power-stage efficiency.
InputVoltage / Current / Rating
OutputPower / Margin
Engineering Applications
Related Engineering Guides
Engineering Guide
How to Choose the Right MOSFET
Choose MOSFETs by application, VDS, drain current, actual gate voltage, RDS(on), gate charge, switching frequency, driver capability, power loss, thermal design, package, SOA, and layout.
20 min · Intermediate
Engineering Guide
Understanding MOSFETs
Learn how MOSFETs work, including N-channel and P-channel operation, gate threshold voltage, RDS(on), drain current, VGS, switching losses, power dissipation, gate charge, body diode behavior, thermal limits, SOA, and key datasheet parameters.
18 min · Beginner
Engineering Blog
10 Common PCB Power & Trace Design Mistakes (and How to Avoid Them)
Avoid common PCB power and trace design mistakes including undersized traces, voltage drop, via bottlenecks, RMS-current errors, thermal issues, poor copper pours, and high-current layout problems.
24 min · Intermediate
Engineering Blog
10 Common Power Design Mistakes (and How to Avoid Them)
Avoid common power design mistakes involving watts versus watt-hours, unit prefixes, RMS current, power factor, efficiency, derating, thermal design, startup current, voltage drop, and undersized components.
17 min · Intermediate
Engineering Blog
10 Common MOSFET Design Mistakes (and How to Avoid Them)
Avoid common MOSFET design mistakes including using VGS(th) as turn-on voltage, weak gate drive, gate charge, RDS(on) heating, switching loss, SOA, body diode behavior, transients, and PCB layout.
16 min · Intermediate
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