Microchip Technology recently announced the USB5734/44, a USB3.0 Smart Hub family that enables host and device port swapping, I/O bridging, and other serial communication interfaces. The USB5734 and USB5744 devices feature an integrated microcontroller that creates new functionality for USB hubs while lowering overall BOM costs and reducing software complexity.
The new USB3.0 Smart hubs enable an upstream host controller to communicate to numerous types of external peripherals beyond the USB connection through direct bridging from USB to I2C, SPI, UART, and GPIO interfaces. This eliminates the need for an additional external microcontroller, while providing improved control from the USB host hardware.
Microchip’s FlexConnect technology enables the USB5734 Smart Hub to dynamically swap between a USB host and a USB device through hardware or software system commands giving the new USB host access to downstream resources. The FlexConnect technology can also switch common downstream resources between two different USB hosts. Incorporating FlexConnect into a system simplifies the overall software requirements of the primary host, as class drivers and application software stay local to the Device-turned-Host.
Available 56-pin, 7 x 7 mm package, the USB5744 is the industry’s smallest USB3.0 Hub for applications where board space is important. You can use the USB5734 and USB5744 USB3.0 controller hubs for a variety of applications (e.g., computing, embedded, medical, industrial, and networking markets).
The USB5734 and USB5744 are supported by Microchip’s $399 USB 3.0 Controller Hub Evaluation Board (EVB-USB5734) and $299 USB 3.0 Small Form Factor Controller Hub Evaluation Board (EVB-USB5744). The former includes mezzanine cards that can be used as preset application configurations for easy testing and development of a USB5734 system.
The USB5734 is available in 64-pin QFN (9 × 9 mm) packages starting at $4.20 each in 10,000-unit quantities. The USB5744 is available in 56-pin QFN (7 × 7 mm) packages starting at $3.75 each in 10,000-unit quantities.
Source: Microchip Technology