USB wall power outlet

Products and reference designs

USB wall power outlet

Block diagram

Overview

Universal serial bus (USB) wall power outlets provide smart and speedy charging by accurately reading the power need of your device and optimizing charging efficiency. Our reference designs and integrated circuits help you address complex challenges to quickly differentiate your design from the competition.

Design requirements

USB wall power outlets require:

  • High-efficiency AC/DC power supply.
  • Robust ESD protection for wired interfaces.

Block diagram

Find products and reference designs for your system.

USB wall power outlet

AC power outlet AC power outlet AC power outlet AC power outlet AC line AC line USB port USB port USB port USB port Power good indicator LED Power good indicator LED Output user interface Output user interface Logic Logic Signal input/output protection Signal input/output protection Protection Protection Protection Protection Wired interface Wired interface Port controller & switch Port controller& switch Port controller & switch Port controller& switch Synchronous buck Synchronousbuck Synchronous buck Synchronousbuck Intermediate DC bus Intermediate DC bus Optional: for USB type C only Optional: for USB type C only Isolated AC/DC power supply Isolated AC/DC power supply MOSFET MOSFET Transformer Transformer Optocoupler Optocoupler Controller Controller Compensation and feedback Compensation and feedback Synchronous rectifier controller Synchronous rectifier controller Synchronous rectifier MOSFET Synchronous rectifier MOSFET Intermediate DC bus Intermediate DC bus

Technical documentation

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Type Title Date
Technical article Converting from USB Type-A to USB Type-C™ brings greater energy efficiency PDF | HTML 14 Aug 2023

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