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4-Port SS/HS USB Controller Hub
Highlights
• USB Hub Feature Controller IC with 4 USB 3.1
Gen 1 / USB 2.0 downstream ports
• USB-IF Battery Charger revision 1.2 support on
up & downstream ports (DCP, CDP, SDP)
• USB Link Power Management (LPM) support
• Enhanced OEM configuration options available
through either OTP or SPI ROM
• Available in 56-pin (7 x 7 mm) VQFN lead-free,
RoHS compliant package
• Commercial and industrial grade temperature
support
• Configuration Straps: Predefined configuration of
system level functions
Target Applications
• Standalone USB Hubs
• Laptop Docks
• PC Motherboards
• PC Monitor Docks
• Multi-function USB 3.1 Gen 1 Peripherals
2015-2017 Microchip Technology Inc.
USB5744
Key Benefits
• USB 3.1 Gen 1 compliant 5 Gbps, 480 Mbps,
12 Mbps and 1.5 Mbps operation
- 5 V tolerant USB 2.0 pins
- 1.32 V tolerant USB 3.1 Gen 1 pins
- Integrated termination & pull-up/pull-down resistors
• Supports per port battery charging of most popu-
lar battery powered devices
- USB-IF Battery Charging rev. 1.2 support
(DCP, CDP, SDP)
- Apple
portable product charger emulation
- Chinese YD/T 1591-2006 charger emulation
- Chinese YD/T 1591-2009 charger emulation
- European Union universal mobile charger support
- Support for Microchip USC100x family of battery
charging controllers
- Supports additional portable devices
• Smart port controller operation
- Firmware handling of companion port controllers
• On-chip microcontroller
- Manages I/Os, VBUS, and other signals
• 8 KB RAM, 64 KB ROM
• 8 KB One Time Programmable (OTP) ROM
- Includes on-chip charge pump
• Configuration programming via OTP ROM, SPI
ROM, or SMBus
• PortSwap
- Configurable differential intro-pair signal swapping
™
• PHYBoost
- Programmable USB transceiver drive strength for
recovering signal integrity
™
• VariSense
- Programmable USB receiver sensitivity
• Compatible with Microsoft Windows 8, 7, XP,
Apple OS X 10.4+, and Linux hub drivers
• Optimized for low-power operation and
low thermal dissipation
• Package
- 56-pin VQFN (7 x 7 mm)
• Environmental
- 3 kV HBM JESD22-A114F ESD protection
- Commercial temperature range (0°C to +70°C)
- Industrial temperature range (-40°C to +85°C)
DS00001855E-page 1
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Summary of Contents for Microchip Technology USB5744
- Page 1 • Package - 56-pin VQFN (7 x 7 mm) • Environmental - 3 kV HBM JESD22-A114F ESD protection - Commercial temperature range (0°C to +70°C) - Industrial temperature range (-40°C to +85°C) 2015-2017 Microchip Technology Inc. DS00001855E-page 1...
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Page 2: To Our Valued Customers
When contacting a sales office, please specify which device, revision of silicon and data sheet (include -literature number) you are using. Customer Notification System Register on our web site at to receive the most current information on all of our products. www.microchip.com 2015-2017 Microchip Technology Inc. DS00001855E-page 2... - Page 3 4.0 Device Connections ..................................17 5.0 Modes of Operation ..................................19 6.0 Device Configuration ..................................22 7.0 Device Interfaces ..................................23 8.0 Functional Descriptions ................................. 24 9.0 Operational Characteristics ................................30 10.0 Package Information ................................... 39 2015-2017 Microchip Technology Inc. DS00001855E-page 3...
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Page 4: General Terms
Unless otherwise noted, values are not guaran- teed when reading reserved bits. Unless otherwise noted, do not read or write to reserved addresses. Software Development Kit System Management Bus SMBus Universally Unique IDentifier UUID 16 bits WORD 2015-2017 Microchip Technology Inc. DS00001855E-page 4... -
Page 5: Reference Documents
UNICODE UTF-16LE For String Descriptors USB Engineering Change Notice, December 29th, 2004, http:// www.usb.org Universal Serial Bus Revision 3.1 Specification, http://www.usb.org Battery Charging Specification, Revision 1.2, Dec. 07, 2010, http://www.usb.org C-Bus Specification, Version 1.1, http://www.nxp.com System Management Bus Specification, Version 1.0, http://smbus.org/specs 2015-2017 Microchip Technology Inc. DS00001855E-page 5... -
Page 6: General Description
INTRODUCTION General Description The Microchip USB5744 hub is low-power, OEM configurable, USB 3.1 Gen 1 hub feature controller with 4 downstream ports and advanced features for embedded USB applications. The USB5744 is fully compliant with the Universal Serial Bus Revision 3.1 Specification and USB 2.0 Link Power Management Addendum. The USB5744 supports 5 Gbps SuperSpeed (SS), 480 Mbps Hi-Speed (HS), 12 Mbps Full-Speed (FS), and 1.5 Mbps Low-Speed (LS) USB down-... -
Page 7: Internal Block Diagram
USB5744 FIGURE 2-1: INTERNAL BLOCK DIAGRAM 2015-2017 Microchip Technology Inc. DS00001855E-page 7... -
Page 8: Pin Description And Configuration
Note 1: Configuration straps are identified by an underlined symbol name. Signals that function as configurations traps must be augmented with an external resistor when connected to a load. Refer to Section 3.4, "Config- uration Straps and Programmable Functions" for additional information. 2015-2017 Microchip Technology Inc. DS00001855E-page 8... - Page 9 SPI_DI/CFG_BC_EN USB3DN_RXDP2 SPI_CE_N/CFG_NON_REM USB3DN_RXDM2 RESET_N VDD12 VDD12 VDD33 VDD33 USB2DN_DP3/PRT_DIS_P3 USB2UP_DP USB2DN_DM3/PRT_DIS_M3 USB2UP_DM USB3DN_TXDP3 USB3UP_TXDP USB3DN_TXDM3 USB3UP_TXDM VDD12 VDD12 USB3DN_RXDP3 USB3UP_RXDP USB3DN_RXDM3 USB3UP_RXDM USB2DN_DP4/PRT_DIS_P4 ATEST USB2DN_DM4/PRT_DIS_M4 XTALO USB3DN_TXDP4 XTALI/CLK_IN USB3DN_TXDM4 VDD33 VDD12 RBIAS 2015-2017 Microchip Technology Inc. DS00001855E-page 9...
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Page 10: Pin Descriptions
USB5744 Pin Descriptions This section contains descriptions of the various USB5744 pins. This pin descriptions have been broken into functional groups as follows: • USB 3.1 Gen 1 Pin Descriptions • USB 2.0 Pin Descriptions • USB Port Control Pin Descriptions •... - Page 11 As an output, this signal is an active high control signal used to enable PRT_CTL2 (PU) power to the downstream port 2. As an input, this signal indicates an overcurrent condition from an external current monitor on USB port 2. 2015-2017 Microchip Technology Inc. DS00001855E-page 11...
- Page 12 Configuration straps are identified by an underlined symbol name. Signals that function as con- figurations traps must be augmented with an external resistor when connected to a load. Refer to Section 3.4, "Configuration Straps and Programmable Functions" for additional information. 2015-2017 Microchip Technology Inc. DS00001855E-page 12...
- Page 13 +1.2 V core power VDD12 Refer to Section 4.1, "Power Connections" for power connection infor- mation. Common ground. This exposed pad must be connected to the ground plane with a via array. 2015-2017 Microchip Technology Inc. DS00001855E-page 13...
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Page 14: Buffer Types
Analog input/output as defined in USB specification Analog input ICLK Crystal oscillator input pin OCLK Crystal oscillator output pin Power pin Refer to Section 9.5, "DC Specifications" for individual buffer DC electrical characteristics. Note: 2015-2017 Microchip Technology Inc. DS00001855E-page 14... - Page 15 0xFFFA must be present. Refer to Section 7.1, "SPI Master Interface" additional information. TABLE 3-10: SPI/SMBUS MODE PIN ASSIGNMENTS SPI Mode SMBus Slave Mode SPI_CE_N CFG_NON_REM SPI_DI CFG_BC_EN SPI_DO SMDAT SPI_CLK SMCLK 2015-2017 Microchip Technology Inc. DS00001855E-page 15...
- Page 16 200 kΩ Pull-Up Port 1 battery charging 10 kΩ Pull-Down Port 1, 2 battery charging 10 kΩ Pull-Up Port 1, 2, 3, battery charging 10 Ω Pull-Down Port 1, 2, 3, 4 battery charging 2015-2017 Microchip Technology Inc. DS00001855E-page 16...
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Page 17: Device Connections
SPI ROM connections. Refer to Section 7.1, "SPI Master Interface," on page 23 additional information on this device interface. FIGURE 4-2: SPI ROM CONNECTIONS SPI_CE_N SPI_CLK USB5744 SPI ROM SPI_DO SPI_DI 2015-2017 Microchip Technology Inc. DS00001855E-page 17... - Page 18 SMBus slave connections. Refer to Section 7.2, "SMBus Slave Interface," on page 23 for additional information on this device interface. FIGURE 4-3: SMBUS SLAVE CONNECTIONS +3.3V Clock SMCLK SMBus +3.3V USB5744 Master SMDAT Data 2015-2017 Microchip Technology Inc. DS00001855E-page 18...
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Page 19: Modes Of Operation
Internal ROM present? Modify Config Run From Based on Config External SPI ROM Straps Perform SMBus/I SMBus Host Present? Initialization (STRAP) SOC Done? (SOC_CFG) Combine OTP Config Data (OTP_CFG) Hub Connect (Hub.Connect) Normal operation 2015-2017 Microchip Technology Inc. DS00001855E-page 19... -
Page 20: Boot Sequence
Once the CHGDET stage is completed, the device enters the Hub Connect stage. USB connect can be initiated by asserting the VBUS pin function high. The device will remain in the Hub Connect stage indefinitely until the VBUS pin function is deasserted. 2015-2017 Microchip Technology Inc. DS00001855E-page 20... -
Page 21: Normal Mode
If RESET_N is asserted low, then Standby Mode is entered. The device may then be placed into any of the designated hub stages. Asserting a soft disconnect on the upstream port will cause the hub to return to the Hub.Connect stage until the soft disconnect is negated. 2015-2017 Microchip Technology Inc. DS00001855E-page 21... -
Page 22: Device Configuration
The OTP ROM in the device is accessible via the USB bus. All OTP parameters can be modified to the USB Host. The OTP operates in Single Ended mode. For more information, refer to the Microchip USB5744 product page and SDK at www.microchip.com/USB5744... -
Page 23: Device Interfaces
USB5744 DEVICE INTERFACES The USB5744 provides multiple interfaces for configuration and external memory access. This section details the vari- ous device interfaces and their usage: • SPI Master Interface • SMBus Slave Interface For details on how to enable each interface, refer to Section 3.4.1, "SPI/SMBus... -
Page 24: Functional Descriptions
For example, the OEM can configure two ports to support battery charging through high current power FETs and leave the other two ports as standard USB ports. For additional information, refer to the Microchip USB5744 Battery Charging application note on the Microchip.com USB5744 product page at www.microchip.com/USB5744. -
Page 25: Power-On Reset (Por)
8-1. TABLE 8-1: LPM STATE DEFINITIONS State Description Entry/Exit Time to L0 Suspend Entry: ~3 ms Exit: ~2 ms (from start of RESUME) Sleep Entry: <10 us Exit: <50 us Fully Enabled (On) 2015-2017 Microchip Technology Inc. DS00001855E-page 25... -
Page 26: Port Power Control With Usb Power Switch
• Two short low pulses within a rolling window (two groupings of 1 or more low samples over t ), as shown ocs_double Figure 8-4. FIGURE 8-3: SINGLE LOW PULSE OVERCURRENT DETECTION PRT_CTLx IS V ocs_single 2015-2017 Microchip Technology Inc. DS00001855E-page 26... -
Page 27: Port Power Control Using A Poly Fuse
The USB 2.0 and USB 3.1 Gen 1 bPwrOn2PwrGood descriptors must be set to 0 when using poly-fuse Note: mode. Refer to Microchip application note AN1903 “Configuration Options for the USB5734 and USB5744” for details on how to change these values. - Page 28 PRT_CTLy Pull-Up Enable PRT_CTLx Device Device Device PRTPWR 8.4.3 PORT CONTROLLER CONNECTION EXAMPLE FIGURE 8-7: USB5744 WITH 4 GENERIC PORT POWER CONTROLLERS (2 BC ENABLED) (High Current) Port 1 Connector POWER PRT_CTL1 VBUS (BC Enabled) Generic Port Power Controller (High Current)
- Page 29 8-7, CFG_BC_EN must be connected to an external 10 kΩ pull-down resistor to enable battery charging on Ports 1 and 2. For more information on the CFG_BC_EN configuration strap, refer to Section 3.4.4, "Battery Charging Configuration (CFG_BC_EN)". 2015-2017 Microchip Technology Inc. DS00001855E-page 29...
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Page 30: Operational Characteristics
C to +85 C for industrial version. **Proper operation of the device is guaranteed only within the ranges specified in this section. Do not drive input signals without power supplied to the device. Note: 2015-2017 Microchip Technology Inc. DS00001855E-page 30... -
Page 31: Package Thermal Specifications
Symbol °C/W Velocity (Meters/s) Thermal parameters are measured or estimated for devices in a multi-layer 2S2P PCB per JESDN51. Note: TABLE 9-2: MAXIMUM POWER DISSIPATION Parameter Value Units PD(max) 1400 2015-2017 Microchip Technology Inc. DS00001855E-page 31... -
Page 32: Power Consumption
TABLE 9-3: DEVICE POWER CONSUMPTION Typical (mA) Typical Power VDD33 VDD12 (mW) Reset 12.6 No VBUS 12.9 Global Suspend 4 FS Ports 4 HS Ports 1001 4 SS Ports 1132 4 SS/HS Ports 2015-2017 Microchip Technology Inc. DS00001855E-page 32... - Page 33 IO-U Type Buffer Note (See Note 4: XTALI can optionally be driven from a 25 MHz singled-ended clock oscillator. Note 5: Refer to the USB 3.1 Gen 1 Specification for USB DC electrical characteristics. 2015-2017 Microchip Technology Inc. DS00001855E-page 33...
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Page 34: Power-On Configuration Strap Valid Timing
Configuration strap hold after external power supplies at opera- tional levels Device configuration straps are also latched as a result of RESET_N assertion. Refer to Section 9.6.3, "Reset and Con- figuration Strap Timing" for additional details. 2015-2017 Microchip Technology Inc. DS00001855E-page 34... -
Page 35: Reset And Configuration Strap Timing
All device SMBus signals conform to the voltage, power, and timing characteristics/specifications as set forth in the Sys- tem Management Bus Specification. Please refer to the System Management Bus Specification, Version 1.0, available at http://smbus.org/specs. 2015-2017 Microchip Technology Inc. DS00001855E-page 35... -
Page 36: Spi Timing
Chip enable (SPI_CE_EN) high time Clock to input data Input data hold time Output setup time Output hold time Clock to output valid Chip enable (SPI_CE_EN) low to first clock Last clock to chip enable (SPI_CE_EN) high 2015-2017 Microchip Technology Inc. DS00001855E-page 36... -
Page 37: Clock Specifications
Operating Temperature Range Note 7 Note 8 XTALI/CLK_IN Pin Capacitance 3 typ Note 9 XTALO Pin Capacitance 3 typ Note 9 Note 6: Frequency Deviation Over Time is also referred to as Aging. 2015-2017 Microchip Technology Inc. DS00001855E-page 37... - Page 38 EXTERNAL REFERENCE CLOCK ( CLK_IN ) When using an external reference clock, the following input clock specifications are suggested: • 25 MHz • 50% duty cycle ±10%, ±100 ppm • Jitter < 100 ps RMS 2015-2017 Microchip Technology Inc. DS00001855E-page 38...
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Page 39: Package Information
* Standard device marking consists of Microchip part number, year code, week code and traceability code. For device marking beyond this, certain price adders apply. Please check with your Microchip Sales Office. For QTP devices, any special marking adders are included in QTP price. 2015-2017 Microchip Technology Inc. DS00001855E-page 39... -
Page 40: Package Drawings
USB5744 10.2 Package Drawings For the most current package drawings, see the Microchip Packaging Specification at: Note: http://www.microchip.com/packaging. FIGURE 10-1: 56-VQFN PACKAGE (DRAWING) 2015-2017 Microchip Technology Inc. DS00001855E-page 40... - Page 41 USB5744 FIGURE 10-2: 56-VQFN PACKAGE (DIMENSIONS) 2015-2017 Microchip Technology Inc. DS00001855E-page 41...
- Page 42 USB5744 FIGURE 10-3: 56-VQFN LAND PATTERN 2015-2017 Microchip Technology Inc. DS00001855E-page 42...
- Page 43 Feature Controller, added definition in Table 1- 1, "General Terms". Section 6.1.2, SMBus Accessible Added web link to AN1903 Functions Removed PortMap feature throughout docu- ment. Table 3-6, "Miscellaneous Pin Modified RESET_N pin description Descriptions" 2015-2017 Microchip Technology Inc. DS00001855E-page 43...
- Page 44 FIGURE 3-1: 56-VQFN Pin Assign- Added configuration strap note under figure. ments on page 8 DS00001855A (12-15-14) Initial Release 2015-2017 Microchip Technology Inc. DS00001855E-page 44...
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Page 45: The Microchip Web Site
A listing of sales offices and locations is included in the back of this docu- ment. Technical support is available through the web site at: http://www.microchip.com/support 2015-2017 Microchip Technology Inc. DS00001855E-page 45... -
Page 46: Product Identification System
= Hub Feature Controller disabled identifier is used for ordering purposes and Option: is not printed on the device package. Check with your Microchip Sales Office for package availability with the Tape and Reel option. 2015-2017 Microchip Technology Inc. DS00001855E-page 46... - Page 47 SQTP is a service mark of Microchip Technology Incorporated in the U.S.A. Silicon Storage Technology is a registered trademark of Microchip Technology Inc. in other countries. GestIC is a registered trademark of Microchip Technology Germany II GmbH & Co. KG, a subsidiary of Microchip Technology Inc., in other countries.
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Page 48: Worldwide Sales And Service
Thailand - Bangkok Tel: 86-29-8833-7252 Tel: 66-2-694-1351 Sweden - Stockholm Tel: 408-436-4270 Tel: 46-8-5090-4654 Fax: 86-29-8833-7256 Fax: 66-2-694-1350 Canada - Toronto UK - Wokingham Tel: 905-695-1980 Tel: 44-118-921-5800 Fax: 905-695-2078 Fax: 44-118-921-5820 2015-2017 Microchip Technology Inc. DS00001855E-page 48 11/07/16...
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