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MOSFET Guides

Engineering guides for MOSFET fundamentals, N-channel and P-channel operation, gate drive, RDS(on), switching loss, thermal design, SOA, and power electronics applications.

6 available guides

Guide Articles

GuideAvailable

MOSFET Double-Pulse Testing: Measuring Switching Energy and Loss

Measure Eon and Eoff with aligned voltage and current probes, controlled double pulses, and documented operating conditions.

Category
MOSFETs
Reading time
11 min
Difficulty
Advanced
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GuideAvailable

Parallel MOSFET Current Sharing: Static Balance, Gate Drive, Layout, and Thermal Design

Design parallel MOSFET banks using static conductance spread, source ballast, common-source inductance, individual gate resistors, thermal coupling, symmetric layout, and measured branch current.

Category
MOSFETs
Reading time
18 min
Difficulty
Advanced
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GuideAvailable

MOSFET SOA and Thermal Design: Loss, Transient Impedance, Avalanche, and Derating

Design MOSFET power stages using complete loss budgets, junction temperature, thermal paths, transient Zθ, linear and pulsed SOA, avalanche limits, derating, and measurement.

Category
MOSFETs
Reading time
19 min
Difficulty
Advanced
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GuideAvailable

MOSFET Gate Drive Design: Gate Resistance, Charge, Miller Effect, and Switching Loss

Design MOSFET gate-drive loops across charge, Miller plateau, source/sink current, resistance, switching loss, false turn-on, layout, EMI, and verification.

Category
MOSFETs
Reading time
18 min
Difficulty
Advanced
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GuideAvailable

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.

Category
MOSFETs
Reading time
20 min
Difficulty
Intermediate
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GuideAvailable

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.

Category
MOSFETs
Reading time
18 min
Difficulty
Beginner
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