Power Supply 101: Introduction to Power Supply Concepts
John Jovalusky, Power Integrations

This back-to-basics tutorial covers the abc's of power supplies including common power supply types and how they differ, rectification, and transformers with a focus on supplies that convert AC to DC and high voltages to lower voltages.  continue

Battery Selection for Portable Power Applications
Jinrong Qian, Applications Engineering Manager, Texas Instruments

Jinrong Qian of Texas Instruments walks you through the battery selection process for Portable Power applications.  continue

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