Applications:
• Media Hubs
• Infotainment Head Units
• Break-Out- Boxes
• GPS systems
• Infotainment systems
• Advanced instrumentations and controls
• LCD Monitors
• Multi-function USB Peripherals
• Embedded Automotive Systems
• Host to Host applications via Ethernet / NCM communication

The Microchip USB4914  is a USB2.0 Hi-Speed Hub with unique Smart Hub features targeted to automotive consumer ports and head unit applications. The USB4914 is compliant with the USB 2.0 Specification and has passed AEC-Q100 testing.  This highly integrated chip optimizes board area and reduces overall system costs, with the incorporation of  leadership functionality, including;  Multi-Host Endpoint Reflector, battery charging support for industry profiles, embedded 32 bit micro-controller for the implementation of  USB IO bridging and USB Power Delivery.  The multiple downstream USB ports support USB2.0 Low Speed/Full Speed/Hi-Speed with a single USB2.0 Hi-Speed upstream port for host connection.

The Multi-Host Endpoint Reflector employs patented technology such that USB data is 'mirrored" between two USB hosts (Multi-Host) in order to execute USB transactions. This capability is fundamental in delivering architectures for smart phones that require host / device swapping in order to set-up an automotive session, including graphic user interface, from the mobile device to the head unit display. 

Standard USB drivers, which are  native to the operating system, including the CDC/NCM class driver, are utilized to execute device operation. No custom drivers are required.  The Multi-Host Endpoint Reflector is considered a USB controller that is integrated in conjunction with a USB 2.0 Hi-Speed hub and USB2.0 dual role function physical interfaces. 

Contact your Microchip local sales support for information on support documents, demonstration application boards, configuration software, datasheet and application notes.