VL812 Ver la hoja de datos (PDF) - Unspecified
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VL812 Datasheet PDF : 18 Pages
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Product Features
VL812
Super-Speed USB Hub Controller
VL812 USB 3.0 Hub Controller (B1)
USB 3.0 Compliant
– Compliant to Universal Serial Bus 3.0 Specification Rev 1.0, including Hub errata
– Compliant to Universal Serial Bus Specification Revision 2.0
– Supports simultaneous Super-speed(SS), high-speed (HS), full-speed (FS) traffic, and
low-speed (LS) traffic
– Four down-stream ports, one up-stream port
– In-house USB PHY employs advanced CMOS process for low power consumption
– Supports USB Low-Power States such as Ux states, Selective Suspend, LPM
Integrated Voltage Regulators
– Able to generate all required chip-power from 5V input
– 5V to 1.15V Switching DC-DC Regulator
– 5V to 3.3V and 1.2V to 1.0V LDO Regulator
– External Power Support
– 3.3V, 1.2V, 1.0V External Inputs (3-Power Domain)
– 3.3V, 1.15V External Input (2-Power Domain)
Simplified Sideband Signal Support
– Supports gang mode over current detection on down-stream ports
– Supports individual mode for power enable and over current detection on 1 port for battery
charging function
– Supports Dual LED status indicators with automatic or manual control via GPIO per
down-stream port (Typically Green & Amber)
Comprehensive USB Battery Charging Support
– Supports USB Battery Charging Specification v1.2 (SDP, CDP, DCP)
– Adds Support for Vendor Specific Charging Modes eg. Apple, RIM, etc.
– Supports YD/T 1591-2009
– Supports “Sleep Charging” (DCP + Apple Mode)
– Support charging on 1 down-stream port, depending on configuration
Physical
– QFN 76L green package (9x9x0.85 mm)
Certification
– Earned USB 2.0 USB-IF certification
– Passed Windows 8 WHCK Testing
Applications
– Standalone USB hub
– Desktop front panel hub/Integrated Monitor/TV hub
– Notebook/Ultrabook Docking Station / Port Replicator
– USB hub compound device with keyboard, mouse, display, etc.
Platform and Operating System Support
– General support across all major OS and platforms that offer USB such as PC, MAC, Linux, etc.
– FW Update over USB
– USB hub function is dependent upon the USB Host Controller
– No proprietary driver needed, even for Battery Charging Function
Misc
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Optimized for Low Power consumption
PLL embedded with external 25MHz crystal
Support external SPI flash for firmware upgrade
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