Power MOSFETs
Does Switching a MOSFET Reduce Heat?
Operating a MOSFET mainly fully on or off usually reduces heat compared with linear control, but conduction, transitions, charge, capacitance, dead time, and drive still…
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Technical guidance, application perspectives and reliability practices for power semiconductor design.
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Diodes & Rectifiers
Can a Zener Diode Be Used as a Rectifier?
A Zener diode can conduct forward like a silicon diode, but it is normally the wrong rectifier because rectifier current, surge, recovery, and thermal ratings…
Diodes & Rectifiers
How Many Diodes Are Used in a Full-Wave Rectifier?
A full-wave bridge rectifier uses four diodes, while a center-tapped full-wave rectifier uses two diodes plus a center-tapped transformer winding.
SiC & GaN
What Is a 650 V SiC MOSFET?
A 650 V SiC MOSFET is a silicon-carbide power switch rated for a maximum drain-source voltage of 650 V and optimized for efficient high-frequency conversion…
SiC & GaN
What Are SiC MOSFETs Used For?
SiC MOSFETs are used in high-voltage, high-power converters such as EV traction inverters, onboard chargers, DC fast chargers, solar and storage inverters, industrial drives, server…
Power Supply
How to Design a Switch-Mode Power Supply
Design an SMPS by freezing the specification, selecting a suitable topology, sizing the power stage and magnetics, closing the control loop, planning protection and layout,…
Design & Reliability
Can Multiple MOSFETs Share the Same Heatsink?
Multiple MOSFETs can share one heatsink when electrical isolation, total power loss, thermal interaction, mounting pressure, creepage, and the hottest junction temperature are all verified.
SiC & GaN
How to Drive a SiC MOSFET
Drive a SiC MOSFET with the datasheet-specified gate voltage, a high-CMTI isolated driver, short Kelvin-source gate loop, separate turn-on and turn-off resistors, and fast short-circuit…