These batteries are designed to fail
When a handful of batteries show up dead on arrival, this engineer had to take a closer look.
Diversity of trends in wireless power charging at APEC 2018
Wireless power charging was a big point of discussion on the APEC 2018 exhibit floor. Here are a few unique…
Reverse voltage protection for battery chargers
Develop a reverse voltage protection circuit for battery charger based applications.
Finding the right power supply technology for your design
To make good development decisions, system designers must know the strengths and trade-offs of competing power technologies.
A better Chinese 12V adapter
I’ve investigated some execrable & dangerous adapters in the past. Is this one really any better?
Design small, wearable, battery-powered IoT solutions
For a wearable device required to operate for an extended amount of time, it is imperative to design for efficient…
Help me build an electronic load & bench supply
I’m assembling a bench supply and could use some suggestions, especially for the electronic load portion and its UI, which…
Coreless power design for high magnetic field environments
Until recently, power supplies designed into the MRI environment have had limited functionality depending upon how close they are placed…
Impact of Loop Stability on Power Integrity
A look at the concept of power distribution networks
Reduce switch-node ringing though better decoupling
These techniques will lower the switch-node ringing without paying an efficiency penalty in synchronous buck converters.