Teardown: Wireless charger with a magnetic personality
Take a conventional Qi charger. Beef up its output (for compatible to-be-charged devices, at least). Add magnets. Now buy it…
Understanding test challenges for emerging battery management systems
This article focuses on the current and future trends around BMS devices for automotive, and some key test challenges the…
Key considerations in powering an ADC
Knowing more about powering an ADC can improve data collection outcomes and avoid noise problems.
Forget Tesla coils and check out Marx generators
Building a Marx generator is easier than doing the popular the Tesla coil, since it doesn't require windings or as…
Sneaky feedback paths that de-stabilize an otherwise stable feedback loop
Loop gain and loop phase tests should always be run at varying levels of excitation to see if the test…
Five major trends in power supply design for servers
A review of server power supply unit (PSU) design outlines future trends in power density, efficiency, control, and thermal performance.
Applying power management solutions in IoT designs
This article explores IoT battery technology, describes some of the problems that designers face with power sourcing, and provides some…
Implementing load-line control for a multi-phase buck converter
A load-line control improves efficiency as well as power supply transient response while reducing minimum required bulk capacitor.
Isolated power supply design considerations for PMDC motors
When designing an isolated power supply for PMDC motors, several considerations influence the design of the power-converter topologies.
Grid-tied device test solution: PAS Series regenerative grid simulator
Preen's PAS series is capable of sinking the power from EUT back to the grid with more than 90% efficiency.