USB5734

Microchip’s USB5734 Smart hub is a 4 port, SuperSpeed (SS)/Hi-Speed (HS), low power, configurable and fully compliant with the USB 3.1 Gen 1 specification. The USB5734 also supports Full Speed (FS) and Low Speed (LS) USB signaling, offering complete coverage of all defined USB operating speeds. The new SuperSpeed hubs operate in parallel with the USB 2.0 controller, so 5 Gbps SuperSpeed data transfers are not affected by slower USB 2.0 traffic.

The USB5734 is also a Smart Hub which is defined as a USB hub that integrates system levels functions typically associated with a separate MCU or processor. Microchip’s USB5734 Smart Hub enables communication to other peripherals in addition to USB. This I/O bridging capability allows the host to seamlessly interface to peripherals via I2C, SPI, GPIOs or a UART over USB. Microchip’s Smart hubs also enable a downstream device to take control of the host system by swapping roles and becoming the host port. The Smart hub can also switch between two different hosts if required. This role changing technology is called FlexConnect and can be initiated through hardware or software commands.

Smart hubs also supports custom configurations of external ports and GPIO pins. ProTouch2, Microchip’s proprietary software utility, can be used to program On-chip One Time Programmable (OTP) ROM which stores required register settings to ensure the desired start up configuration at power on. All LED, GPIOs and port control signal pins are under firmware control, allowing for maximum operational flexibility. However, for even more simplicity, the USB5734 can be configured through a series of external low-cost resistor bootstraps. A handful of bootstap pins are available on the USB5734 to enable standard configurations for GPIOs and downstream ports. No OTP programming required..

Features
  • Four downstream USB3.1 Gen1/2.0 ports
  • Integrated Hub Feature Controller (HFC) enabling I/O Bridging and FlexConnect
  • I/O Bridging: Host communication to external peripherals USB to I2C/UART/SPI/GPIO bridge endpoint support
  • USB to I2C/UART/SPI/GPIO bridge endpoint support
  • FlexConnect: Host port Swapping and Switching to downstream Devices
  • Battery Charging: USB-IF revision 1.2 support on downstream ports (DCP, CDP, SDP) Simultaneous data transfer for 2500 mA of High Speed charging Enables charging from a mobile platform that is powered-off
  • Simultaneous data transfer for 2500 mA of High Speed charging
  • Enables charging from a mobile platform that is powered-off
  • Port Config Straps: Predefined configuration of port settings – Battery Charging, Non-Removable, Disable
  • Application Straps: Predefined configuration of GPIOs for specific Use Cases Mixed Mode – includes I2C, FlexConnect and general purpose FlexConnect FlexConnect Mode – enable FlexConnect via both h/w and s/ control Port Speed Mode – use of LED to differentiate between Full, High and Superspeed Port BC Mode – use of LED to differentiate between BC1.2 and standard USB charging UART Mode – provides necessary signals to support DB9 UART interface
  • Mixed Mode – includes I2C, FlexConnect and general purpose FlexConnect
  • FlexConnect Mode – enable FlexConnect via both h/w and s/ control
  • Port Speed Mode – use of LED to differentiate between Full, High and Superspeed
  • Port BC Mode – use of LED to differentiate between BC1.2 and standard USB charging
  • UART Mode – provides necessary signals to support DB9 UART interface
  • ProTouch2: Configuration tool to enable enhanced OEM configuration options through either One-Time Programmable (OTP) (8Kbit) or external SPI ROM
  • Manufacturing line programming tool and field update capabilities
  • USB Link Power Management (LPM) support
  • IETF RFC 4122 compliant 128-bit UUID
  • Compatible with Microsoft® Windows® 8/8.1 and other major OS’s
  • 64-pin (9 x 9 mm) SQFN lead-free, RoHS compliant package
  • Industrial grade temperature support (-40°C to +85°C)
  • Automotive quality and PPAP support
  • Expansion Hubs
  • Docking Stations
  • LCD Monitors
  • HDTVs
Parameter
Parameter Name Value Value
Upstream Port USB 3.1 Gen 1 USB 3.1 Gen 1
USB Speed USB 3.1 Gen 1 USB 3.1 Gen 1
Downstream Ports 4 4
MGMT I/F I2C I2C
ROM I/F SPI SPI
Op Voltage (V) 3.3 3.3
MultiTRAK Tech Yes Yes
PortMap Yes Yes
PortSwap Yes Yes
TrueSpeed Yes Yes
PHYBoost Yes Yes
Temp. Range Min. -40 -40
Temp. Range Max. 85 85
Documents
USB5734 - 4-Port SS/HS USB Hub Controller - Data SheetData Sheets06/20/2016706KB
AN 26.2 - Implementation Guidelines for Microchip's USB 2.0 and USB 3.0 Hub DevicesAppNote08/11/20151203KB
AN1700 - FlexConnect ApplicationsAppNote03/31/2015243KB
AN1903 - AN1903 Configuration Options for the USB5734, USB5744 and USB5742AppNote06/22/2016239KB
AN1905 - USB Battery Charging with the USB57x4 Hub Controller FamilyAppNote07/13/2015327KB
AN1997 - USB to GPIO Bridging with Microchip USB 3.1 Gen 1 HubsAppNote09/22/2015200KB
AN1998 - USB to I2C Bridging with Microchip USB 3.1 Gen 1 HubsAppNote09/22/2015240KB
AN1999 - USB to SPI Bridging with Microchip USB 3.1 Gen 1 HubsAppNote09/22/2015573KB
AN2000 - USB to UART Bridging with Microchip USB 3.1 Gen 1 HubsAppNote09/22/201596KB
AN2050 - Disabling USB 3.1 Gen 1 Portion of Downstream Ports on Microchip USB57x4 HubsAppNote01/12/2016215KB
AN2051 - Microchip USB57xx USB Type-C ApplicationsAppNote01/13/2016179KB
AN26.16 - USB Super Speed Receiver Jitter ToleranceAppNote04/25/2014422KB
AN26.21 - USB Device Design ChecklistAppNote08/10/2015386KB
USB57XX Sell SheetBrochures11/24/20151473KB
ProTouch2 USB57X4 Linux SDKSoftware Library12/15/2015
ProTouch2 USB57X4 MAC SDKSoftware Library12/15/2015
Protouch2_V1.5_SmartHub_Configuration_Programming_Bridging_ToolSoftware Library08/20/2015
Protouch2_V1.6_SmartHub_Configuration_Programming_Bridging_ToolSoftware Library04/01/2016
Ordering Information
Part NumberLeadsPackage TypeTemp RangePacking1+26+100+1000+5000+
USB5734/MR64QFN0C to +70CTRAY5.764.804.364.224.17
USB5734-I/MR64QFN-40C to +85CTRAY7.206.005.465.275.21
USB5734T/MR64QFN0C to +70CT/R5.854.884.444.284.24
USB5734T-I/MR64QFN-40C to +85CT/R7.306.085.535.345.28
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RoHS Information
PartNumberDeviceWeightShippingWeightLeadCountPackageTypePackageWidthSolderCompositionJEDECIndicatorRoHSChinaEFUP
USB5734/MR0.2324001.76923164QFN9x9x0.9mmMatte Tine3
USB5734REL/MR0.2324001.76923164QFN9x9x0.9mmMatte Tine3
USB5734-I/MR0.2324001.76923164QFN9x9x0.9mmMatte Tine3
USB5734T-I/MR0.2324000.37030364QFN9x9x0.9mmMatte Tine3
USB5734T/MR0.2324000.37030364QFN9x9x0.9mmMatte Tine3
USB5734 - 4-Port SS/HS USB Hub Controller - Data Sheet USB5734
AN 26.2 USB4640
AN1700 USB84604
AN1903 USB5744
AN1905 USB5744
AN1997 USB5734
AN1998 USB5734
AN1999 USB5734
AN2000 USB5734
AN2050 USB5744
AN2051 USB5744
AN26.16 USB5744
AN26.21 USB3751A-2
USB57XX Sell Sheet USB5744
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