USB2514B-AEZC-TR

USB 接口集成电路 USB 2.0 HIGH SPEED 4 PORT HUB CONTRL

General Description USB2514B-AEZC-TR

The SMSC USB251xB/xBi hub is a family of low-power, configurable, MTT (multi transaction translator) hub controller IC products for embedded USB solutions. The x in the part number indicates the number of downstream ports available, while the B indicates battery charging support. The SMSC hub supports lowspeed, full-speed, and hi-speed (if operating as a hispeed hub) downstream devices on all of the enabled downstream ports.

Features USB2514B-AEZC-TR

„ USB251xB/xBi products are fully footprint compatible with USB251x/xi/xA/xAi products as direct drop-in replacements

— Cost savings include using the same PCB components and application of USB-IF Compliance by Similarity

„ Full power management with individual or ganged power control of each downstream port

„ Fully integrated USB termination and pull-up/pull-down resistors

„ Supports a single external 3.3 V supply source; internal regulators provide 1.2 V internal core voltage

„ Onboard 24 MHz crystal driver or external 24 MHz clock input

„ Customizable vendor ID, product ID, and device ID

„ 4 kilovolts of HBM JESD22-A114F ESD protection (powered and unpowered)

„ Supports self- or bus-powered operation

„ Supports the USB Battery Charging specification Rev. 1.1 for Charging Downstream Ports (CDP)

„ The USB251xB/xBi offers the following package:

— 36-pin QFN (6x6 mm) lead-free RoHS compliant package

„ USB251xBi products support the industrial temperature range of -40oC to +85oC

„ USB251xB products support the extended commercial temperature range of 0oC to +85oC

Applications USB2514B-AEZC-TR

„ LCD monitors and TVs

„ Multi-function USB peripherals

„ PC motherboards

„ Set-top boxes, DVD players, DVR/PVR

„ Printers and scanners

„ PC media drive bay

„ Portable hub boxes

„ Mobile PC docking

„ Embedded systems

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