Dive deep into the world of switching power supplies and buck regulators in this comprehensive video lecture. Explore the main components, control modes, and design considerations for efficient power supply systems. Learn about integrated solutions, power supply modules, and PMBUS communication. Understand the differences between voltage and current control modes, and discover optimal frequency selection. Delve into inductor and capacitor characteristics, gate resistors, and boot resistors. Master the art of measuring switching power supply signals and troubleshooting common issues like ringing, shoot-through, and jitter. Gain insights into stability, transient response, and multiphase regulators. Perfect for electronics engineers and hobbyists looking to enhance their power supply design skills.
How to Design Perfect Switching Power Supply - Buck Regulator Explained
Overview
Syllabus
Main parts of a buck regulator
Switching power supply controller
Gate driver and FETs
Inductor and Capacitor
Integrated SMPS: Controller + Gate Driver + FETs
Power supply module
PMBUS
Control modes
DrMOS: Gate Driver + FETs
Control scheme, Voltage mode vs. Current mode
What frequency to use in switching power supply?
About inductor
About capacitors, capacitor derating
Gate resistors, RGATE
CBOOT, Boot resistor, RBOOT
How to measure switching power supply signals, probing
Phase snubber RSNUB, CSNUB
VIN Capacitor
Phase node, switching node, ringing
Shoot-Through
Dead Time, diodes
Stability / Jitter
Transient response
Multiphase regulators
Taught by
Robert Feranec
