Power Sources

Using two unipolar dc supplies in an anti-series configuration is another approach for generating positive and negative voltage—and one that doesn't suffer from power interruption.

David Andrés, CEO and cofounder of startup Sharge, describes winning the Audi Creativity Challenge, his time in Silicon Valley, and plans for the product in connecting to charging stations.

Sponsored by: Texas Instruments Safety is a primary concern when using lithium-battery technology—here's one approach to implementing the level of protection needed in battery packs for portables.

Though inherently analog, today's dc power supplies have digital characteristics and resemble HP's "One-Box Solution" supplies from the 1980s.

Key drivers behind the IoT are sensors and transmitters, and they need autonomous power. This article explores which autonomous power source is best to create smarter homes, cities, and societies.

This basics-of-design-type of article traces the beginnings of piezoelectricity, and how different materials have advanced its effect on today's electronics.