Roadmap / Applications

Power Electronics

Chargers, inverters, motor drivers: every device that handles real power is power electronics.

Goal Understand switching power circuits and calculate their losses.

01
Why switching works3D lab
How fast on-off switching changes voltage with almost no loss.
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02
Buck converter design
Calculating duty cycle, inductor ripple and output capacitance.
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03
Boost and buck-boost
Topologies that step voltage up, or both up and down.
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04
Losses and heat
Conduction and switching losses, and choosing a heat sink.
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05
Inverters3D lab
Turning DC into AC. Half bridge and full bridge.
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06
Batteries and BMS
Lithium cell voltage range, balancing and protection.
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07
Isolation and safety
Creepage and clearance at high voltage, and isolated gate drivers.
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08
Measuring power circuits
Viewing switching waveforms safely with differential and current probes.
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CHECK TASK

Choose the parts of a buck converter

Calculate the inductor and capacitor for a buck converter from 12 V to 5 V at 2 A and estimate the losses.

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