Skip to main content
Search this site
Go
Home
USB4®
USB 3.2
USB Charger
USB Type-C®
Toggle navigation
Main navigation
About USB-IF
Members
Developers
Request a Vendor ID
Defined Class Codes
Human Interface Devices (HID)
BOS Descriptor Types
Technologies
USB4®
USB 3.2
USB Charger (USB PD)
USB Type-C®
Authentication
Compliance
USB4®
USB 3.2
USB 2.0
USB Type-C
Cables and Connectors
Compliance Tools
Test Labs
PIL Lab
USB-IF eStore
Request an XID
IEC 62680
Logo License Request
Pressroom
Upcoming Events
USB-IF Press Releases
Member Press Releases
Articles
Document Library
Products
Certified Product List
IEC 62680 Conformity List
User account menu
Member Login
Search
USB Upstream Facing Port Powered Hub White Paper
03/22/2023
Rev 0.9
White Paper
Technology
USB 2.0
USB 3.2
USB Type-C
