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AN92554 - Implementing Battery Charging Features using HX3 | Cypress Semiconductor

AN92554 - Implementing Battery Charging Features using HX3

Last Updated: 
Nov 28, 2017
Version: 
*B

This application note introduces the basics of USB battery charging and describes standard and proprietary battery charger detection mechanisms supported by HX3 on its upstream and downstream ports.

Introduction

HX3 is a family of USB 3.0 hub controllers compliant with the USB 3.0 specification revision 1.0. HX3 supports SuperSpeed (SS), Hi-Speed (HS), Full-Speed (FS), and Low-Speed (LS) modes. In addition to implementing a USB 3.0 hub, the HX3 family includes advanced USB battery charging capabilities to meet the demand for battery charging over USB.

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