VL817
Overview
- USB 3.1 Compliant - Compliant to Universal Serial Bus 3.1 Specification - Meets all USB 3.1 ECN through Jan 2017 - Compliant to Universal Serial Bus 2.0 Specification USB 2.0 Hub Supports MTT - Supports Simultaneous Operation of Any Combination of SuperSpeed, High-Speed, Full-Speed, and Low-Speed Devices - Supports USB Power Saving Features such as Link Power Management, Ux States, Selective Suspend, and Function Suspend - In-house USB PHY employs advanced CMOS process for low power consumption
- Integrated USB Devices - USB HID Class Device (Optional) Implemented as a USB 2.0 Virtual Device, Facilitates FW Update or Media Control Buttons Configurable Behavior - Always Present / Disabled - USB Billboard Class 1.1 Device (Optional) Implemented as a USB 2.0 Virtual Device Configurable Behavior - Expose When Necessary / Always Present / Disabled
- Full Sideband Signal Support - Supports both Individual and Ganged Mode Operation for All Ports - Supports PWM LED Status Lights - SPI Interface for Firmware. Firmware Upgradable over USB. - Management Interface for Specialized Applications
- Comprehensive USB Battery Charging Support - Supports USB Battery Charging Specification v1.2 (SDP, CDP, DCP) - Support for Vendor Specific Charging Modes eg. Apple 2.4A, Samsung, etc. - Supports YD/T 1591-2009 - Supports Stand-Alone Charging when System is Suspend, Shut Down, or Disconnected - Any Combination of DFPs can be Configured to Support USB Battery Charging
- Power and Package - Requires 3.3V and 1.1V Inputs - 25MHz Xtal - Integrated Voltage Regulators Generate All Required Voltages from 5V Input 5V to 1.1V Switching DC-DC Regulator 5V to 3.3V LDO Regulator - QFN 76L green package (9x9x0.85 mm) - QFN 56L green pack