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Power Tips

Learn about design tips from Texas Instruments' leading power experts to help with all your power design challenges and get you to market faster. 

 

 

Table of contents

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1. Topologies

View a broad curriculum of training for designing with various power supply topologies, as well as step by step instructions to build complete power topology reference designs.

 

# Title Duration
1.1 Power Tips: SEPIC converter operation, Theory (Part 1)
This video covers the SEPIC’s advantages and general theory of operation. Key voltage and current waveforms during the FET’s two operational states are...
05:15
1.2 Power Tips: SEPIC converter operation, Lab demo (Part 2)
A 12V/1A SEPIC reference design is powered up in the lab. The FET and rectifier switching voltages and well as the inductor, rectifier and coupling capacitor...
03:45
1.3 Power Tips: Sepic converter makes an efficient bias
In this Power Tip video Robert Kollman discusses how Sepic converters make an efficient bias. 
04:40
1.4 Power Tips: Buck-Boost using a buck controller
In Power Tip #5 Robert Kollman talks about how to make a buck-boost using a buck controller.
04:00
1.5 Power Tips: Layout for a Buck Power Stage
This video shows a simplified schematic and PCB layout for a buck converter.  The critical current paths are identified and component placement is optimized...
04:44
1.6 Power Tips: Layout for a SEPIC Power Stage
This video shows a simplified schematic and PCB layout for a SEPIC converter.  The critical current paths are identified and component placement is optimized...
04:52
1.7 Power Tips: Layout for a Boost Power Stage
This video shows a simplified schematic and PCB layout for a boost converter.  The critical current paths are identified and component placement is optimized...
04:31
1.8 Power Tips: Design a simple isolated bias supply
In this Power Tip Robert Kollman discusses how to design a simple, isolated bias supply.
05:40
1.9 Power Tips: Low voltage buck ICs
In this Power Tip Robert Kollman takes a look at a power system where 500V is generated from a 400V input.  
05:15
1.10 Power Tips: Low cost, high performance LED driver
In this Power Tip video Robert Kollman talks about low cost, high performance LED drivers
04:38
1.11 Power Tips: Demonstration of a 60W USB-C AC/DC Adaptor Reference Design
In this video, we look at a reference design for a 60W USB-C adaptor.  We discuss the design architecture and demonstrate the negotiation of a variable...
05:11
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2. Solving Design Challenges

Get tips, tricks and techniques to solve common power supply design challenges with power experts Robert Kollman and Dave Priscak. 

# Title Duration
2.1 Power Tips: Parallel power supplies with droop method
In this Power Tip Robert Kollman, Senior Applications Manager at TI, looks at paralleling power supplies with the droop method. 
05:02
2.2 Power Tips: Watch those unintended resonant responses
In this Power Tip Robert Kollman discusses unintended resonant responses in the system.
04:10
2.3 Power Tips: Beware of circulating currents
In this Power Tip Robert Kollman discusses why you should beware of circulating currents in a SEPIC coupled inductor. 
06:32
2.4 Power Tips: Avoid these common error amplifier pitfalls
In this Power Tip Robert Kollman, Senior Applications Manager at TI, looks at three common error amplifier pitfalls. These are typical mistakes a new designer...
03:38
2.5 Power Tips: Watch that capacitator RMS ripple current rating
In this Power Tip Robert Kollman discusses a mistake designers make often and that is putting too much ripple current into a capacitor that may shorten...
02:47
2.6 Power Tips: Low cost, high performance LED driver
In this Power Tip video Robert Kollman talks about low cost, high performance LED drivers
04:38
2.7 Power Tips: Don't get burned by inductor core losses
In this Power Tip video Robert Kollman shows us how to prevent getting burned by inductor core loss.
03:56
2.8 Power Tips: Resolve power supply circuit losses
In this Power Tip video Robert Kollman talks about how you can resolve your power supply circuit losses.
06:32
2.9 Power Tips: Simply estimate load transient response
In this Power Tip video Robert Kollman shows how to estimate a load transient response. 
08:36
2.10 Power Tips: Estimating transient temperature in a MOSFET
In this Power Tip Robert Kollman discusses how to estimate transient temperature in a MOSFET. For the entire Power Tips article series, visit Power Management...
06:37
2.11 Power Tips: Current distribution in high frequency conductors
In this Power Tip Robert Kollman discusses current distribution in high frequency conductors.
04:27
2.12 Power Tips: USB-C Power Delivery Overview
In this video, we discuss the new USB-C cable and how it affects power delivery.  USB-C uses a more versatile cable and allows for much more power to be...
03:55
2.13 Power Tips: Demonstration of a 60W USB-C AC/DC Adaptor Reference Design
In this video, we look at a reference design for a 60W USB-C adaptor.  We discuss the design architecture and demonstrate the negotiation of a variable...
05:11
2.14 Power Tips: Higher voltage LEDs improve efficiency
In this Power Tip Robert Kollman discusses driving high voltage LEDs offline.
07:42
2.15 Power Tips: Controlling Power Supplies with Multiple Loops
Usually the output voltage of a power supply is regulated and provided to a load.  A battery charger uses two loops: one to control the output voltage...
02:38
2.16 Power Tips: Compensating Isolated Power Supplies
In this Power Tips "Ask the Expert" video Dave asks TI’s Brian King to gain insight to the location of the compensator poles and zeros.
06:44
2.17 Power Tips: LED Regulator with Current-Mode Control
Synchronous buck converters are commonly used to regulate the current in LEDs. In this Power Tips "Ask the Expert" video, Dave asks TI’s John Betten to demonstrate...
03:48
2.18 Power Tip 41: Powering Doube Data Rate (DDR) Memory
Powering Double Data Rate (DDR) Memory
06:55
2.19 Power Tips: Pick the right resistance ratio of MOSFETs
In this Power Tip Robert Kollman takes a look at synchronous buck regulator and how you might divide the cost of the two MOSFETs in the Power Stage.  
04:34
2.20 Power Tips: Damping an input filter
In this Power Tip video, Robert Kollman talks about the benefits behind damping the input filter.
07:40
2.21 Power Tips: Taming a noisy power supply
In Power Tip #2, Robert Kollman talks about how to tame a noisy power supply.
05:42
2.22 Power Tips: Pick the right power supply operating frequency
In this Power Tip video, TI's Robert Kollman discusses how to pick the right operating frequency for your power supply.
07:26
2.23 Power Tips 18: Regulator output-voltage accuracy
In this Power Tip Robert Kollman, Senior Applications Manager at TI, looks at your regulator's output-voltage accuracy and explains why it may not be as...
04:11
2.24 Power Tips: Managing your DC/DC converter's switch node sensitivity
In this Power Tip, Oliver Nachbaur shows us how to minimize switch node overshoot and undershoot with improved measurement setup and careful PCB layout....
05:19
2.25 Measuring Vout Ripple in DC/DC Converters
The video explains the measurement set-up for the output voltage ripple in DC/DC converters directly at the load with a high frequency bypass capacitor....
05:28
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