USB2512

更新时间： 2024-09-21 12:16:59

品牌	Logo	应用领域
美国微芯 - MICROCHIP		控制器
页数	文件大小	规格书
63页	861K
描述
USB 2.0 Hi-Speed Hub Controller

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中文翻译

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USB2512 数据手册

USB251xB/xBi

USB 2.0 Hi-Speed Hub Controller

Datasheet

PRODUCT FEATURES

General Description

Features

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 low-

speed, full-speed, and hi-speed (if operating as a hi-

speed hub) downstream devices on all of the enabled

downstream ports.

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

Highlights

High performance, low-power, small footprint hub

controller IC with 2, 3, or 4 downstream ports

Fully compliant with the USB 2.0 Specification [1]

Enhanced OEM configuration options available

through either a single serial I²C^®EEPROM, or

SMBus slave port

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:

MultiTRAK^TM

—

High-performance multiple transaction translator which

provides one transaction translator per port

—

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

package

PortMap

—

Flexible port mapping and disable sequencing

USB251xBi products support the industrial

temperature range of -40ºC to +85ºC

USB251xB products support the extended

commercial temperature range of 0ºC to +85ºC

PortSwap

—

Programmable USB differential-pair pin locations ease

PCB design by aligning USB signal lines directly to

connectors

Applications

PHYBoost

—

Programmable USB signal drive strength for recovering

signal integrity using 4-level driving strength resolution

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

SMSC USB251xB/xBi

Revision 2.2 (02-17-12)

DATASHEET

12 3 4 5 6 7...63

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与USB2512相关器件

型号	品牌	获取价格	描述	数据表
USB2512A	MICROCHIP	获取价格	USB 2.0 Hi-Speed Hub Controller
USB2512A	SMSC	获取价格	USB 2.0 Hi-Speed Hub Controller
USB2512A-AEZG	SMSC	获取价格	USB 2.0 Hi-Speed Hub Controller
USB2512A-AEZG-TR	MICROCHIP	获取价格	UNIVERSAL SERIAL BUS CONTROLLER, QCC36
USB2512-AEZG	SMSC	获取价格	USB 2.0 Hi-Speed Hub Controller
USB2512-AEZG	MICROCHIP	获取价格	UNIVERSAL SERIAL BUS CONTROLLER, QCC36
USB2512AI	MICROCHIP	获取价格	USB 2.0 Hi-Speed Hub Controller
USB2512AI-AEZG	SMSC	获取价格	USB 2.0 Hi-Speed Hub Controller
USB2512B	SMSC	获取价格	USB 2.0 Hi-Speed Hub Controller
USB2512B	MICROCHIP	获取价格	USB 2.0 Hi-Speed Hub Controller

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