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). Mammano highlights how Zero Voltage Switching (ZVS) mitigates switching losses at elevated frequencies. 3. Magnetics: Inductors and Transformers
The release of Robert A. Mammano’s "Fundamentals of Power Supply Design" in 2017 marked a significant milestone for the power electronics community. Published by Texas Instruments, this book consolidated decades of industry-leading expertise into a single, comprehensive volume that remains a primary reference for engineers today. This public link is valid for 7 days
TI Power Stage Designer (for simulating topologies).
Drawing directly from his invention of the SG1524, Mammano dedicates significant space to the PWM controller—how it generates a sawtooth wave, compares it to an error signal, and creates the duty cycle that drives the power switch. He covers voltage-mode and current-mode control, explaining the trade-offs in stability and transient response. Can’t copy the link right now
: Unlike the flyback, it transfers energy instantly through transformer action while the switch is ON, requiring a dedicated output filter inductor.
No book is perfect. Fundamentals of Power Supply Design is not an exhaustive reference for digital power control (microcontroller-based loops) or resonant topologies like the LLC converter, which receive only introductory treatment. Also, because it was published in 2017, it predates the most recent gallium nitride (GaN) and silicon carbide (SiC) wide-bandgap design practices, though the fundamentals of switching loss and gate drive still apply. The book assumes the reader has basic circuit theory and some familiarity with semiconductors; it is not for absolute beginners with no electronics background. and energy efficiency.
If you are interested in applying these principles, you can explore the Texas Instruments Power Stage Designer tool which complements the design concepts discussed in the book.
RDS(on)cap R sub cap D cap S open paren o n close paren end-sub Conduction vs. Switching Losses
The book transitions quickly from inefficient linear regulators—which waste excess voltage as heat—to high-efficiency switch-mode power supplies (SMPS). By utilizing semiconductor switches (MOSFETs or IGBTs) that alternate rapidly between fully ON (low resistance, low voltage drop) and fully OFF (zero current), an SMPS theoretically approaches
In-depth descriptions on how to comply with regulations for electromagnetic compatibility (EMC), human safety, and energy efficiency.