Course Description
This course explores the possible ways of designing and developing Isolated DC to DC converters. It explains to participants the basic terminologies used in this field, while at the same time discussing advanced DC/DC techniques. The theoretical part is enhanced through practical work. Some of the tools and equipment which are going to be used during the course are power supply, DMM, oscilloscope and miscellaneous accessories.
Course Objectives
- Quick start to design and developement of DC/DC conveter
- Gaining the knowledge of available integrated circuits in this field
- Designing the circuit for fixing the threshold level of input start-up voltage
- Introducing safety features for isolated DC/DC converters
- Exploring available transformers from different vendors
Who Should Attend?
- Engineers having their bachelor degree in electronics
- Engineers having minimum of 4 years of experience of designing COTS DC/DC converters based power solutions
- Those who have experience in using different switching regulators
- Anyone who has experience in component selection and electronics circuit designing
Course Details/Schedule
Topologies
- Introduction to basic terminologies
- Isolated DC/DC Converters definition
- IC chips available from different vendors for different topologies used in designing of isolated topologies
Topologies Continued
- Magnetic fundamentals
- Operating principals of SMPS transformer and inductor
- Transformers and Inductors available from different vendors to be used in isolated DC/DC converter
- Skin Effect
- Proximity Effect
- Practical work
Control Loop in DC/DC Converters
- Feedback Control circuitry & Control Loop stabilization
- Converter's Models
- Voltage, Current, Hysteretic and PFM modes
- Snubber circuits
- Feedback Circuits implementation
- Compensator design and considerations
- Practical work
Control and Power Circuit Components
- Design guidelines Component Characteristics
- Mosfet & Gate Drive requirements
- Diode
- Capacitor
- Practical work
Advance DC/DC Techniques
- Synchronous rectification and advantages
- Multiphase Converter advantages and available IC chips
- Soft switching techniques
- Forward Active Clamp circuit
- Full Bridge Phase Shifted Modulation
- Practical work
Advance DC/DC Techniques Continued
- Voltage sensing
- Isolated Feedback miscellaneous techniques and available IC chips
- PCB Layout considerations
- Basic EMI filters requirements and common mode chokes
- Qualification of Power Supply, requirements, tools and equipment for qualifications
- Case studies and examples
- Practical work
Safety features for isolated DC/DC converters
- Isolation, its advantages, benchmarking for isolation voltage measurements, tools and equipment
- Input over voltage protections and its circuits
- Output over voltage protections
- Output continuous short circuit protection
- Over temperature protections
- Inrush current limiting
- Practical work
