USB2412 2-Port USB 2.0 Hi-Speed Hub Controller PRODUCT FEATURES Data Brief General Description Highlights The SMSC USB2412 hub is a low-power, single transaction translator (STT) hub controller IC with two downstream ports for embedded USB applications. The SMSC hub controller supports low-speed, full-speed, and hi-speed (if operating as a hi-speed hub) downstream devices on all of the enabled downstream ports. Features Applications Fully integrated USB termination and pull-up/pulldown resistors Supports a single external 3.3 V supply source; internal regulators provide 1.2 V internal core voltage On-chip 24 MHz crystal and ceramic resonator driver or external 24 MHz clock input ESD protection up to 4 kilovolts on all USB pins Supports self-powered operation Contains a built-in default configuration; no external configuration options or components are required Downstream ports as optional non-removable ports Supports compound devices on a port-by-port basis 28-pin QFN (5 x 5 mm) lead-free RoHS compliant package Supports the commercial temperature range: 0C to +70C High performance, low-power, small footprint hub controller IC with two downstream ports Fully compliant with the USB 2.0 specification 28QFN low pin count package Optimized for minimal bill-of-materials and low cost designs Automobile/home audio systems Cable/DSL modems Embedded systems Gaming consoles HDD enclosures IP telephony KVM switches LCD monitors and TVs Multi-function USB peripherals Mobile PC docking PC motherboards PC media drive bay Portable hub boxes Point-of-Sale (POS) systems Printers and scanners Server front panels Set-top boxes, DVD players, DVR/PVR Thin client terminals SMSC USB2412 Revision 1.3 (12-27-11) PRODUCT PREVIEW 2-Port USB 2.0 Hi-Speed Hub Controller Order Number(s): ORDER NUMBERS USB2412-DZK USB2412-DZK-TR PACKAGE TYPE PACKAGE SIZE 28-Pin QFN Lead-Free, RoHS Compliant Package (includes tape and reel option) 5 x 5 x 0.5 mm REEL SIZE - This product meets the halogen maximum concentration values per IEC61249-2-21 For RoHS compliance and environmental information, please visit www.smsc.com/rohs 80 ARKAY DRIVE, HAUPPAUGE, NY 11788 (631) 435-6000 or 1 (800) 443-SEMI Copyright (c) 2011 SMSC or its subsidiaries. All rights reserved. Circuit diagrams and other information relating to SMSC products are included as a means of illustrating typical applications. Consequently, complete information sufficient for construction purposes is not necessarily given. Although the information has been checked and is believed to be accurate, no responsibility is assumed for inaccuracies. SMSC reserves the right to make changes to specifications and product descriptions at any time without notice. Contact your local SMSC sales office to obtain the latest specifications before placing your product order. The provision of this information does not convey to the purchaser of the described semiconductor devices any licenses under any patent rights or other intellectual property rights of SMSC or others. All sales are expressly conditional on your agreement to the terms and conditions of the most recently dated version of SMSC's standard Terms of Sale Agreement dated before the date of your order (the "Terms of Sale Agreement"). The product may contain design defects or errors known as anomalies which may cause the product's functions to deviate from published specifications. Anomaly sheets are available upon request. SMSC products are not designed, intended, authorized or warranted for use in any life support or other application where product failure could cause or contribute to personal injury or severe property damage. Any and all such uses without prior written approval of an Officer of SMSC and further testing and/or modification will be fully at the risk of the customer. Copies of this document or other SMSC literature, as well as the Terms of Sale Agreement, may be obtained by visiting SMSC's website at http://www.smsc.com. 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Revision 1.3 (12-27-11) 2 PRODUCT PREVIEW SMSC USB2412 2-Port USB 2.0 Hi-Speed Hub Controller Block Diagram To Upstream Upstream USB Data VBUS 24 MHz Crystal 3.3 V BusPower Detect/ Vbus Pulse Regulator Upstream PHY Serial Interface Engine Repeater PLL Controller 3.3 V Transaction Translator Regulator Port Controller CRFILT Routing & Port Re-Ordering Logic PHY#1 PHY#2 USB Data Downstream USB Data Downstream Figure 1 USB2412 Block Diagram SMSC USB2412 3 PRODUCT PREVIEW Revision 1.3 (12-27-11) 2-Port USB 2.0 Hi-Speed Hub Controller Package Outline Figure 2 USB2412 28-Pin QFN Package Outline (5x5 mm Body, 0.5 Pitch, 3.1 ePad) Table 1 Package Parameters A A1 A2 D/E D1/E1 D2/E2 L b K e MIN NOMINAL MAX NOTE REMARKS 0.80 0 0.60 4.90 4.55 3.00 0.30 0.18 0.45 0.85 0.02 5.00 4.75 3.10 0.40 0.25 0.55 0.50 BSC 1.00 0.05 0.80 5.10 4.95 3.20 0.50 0.30 - 2 - Overall Package Height Standoff Mold Cap Thickness X/Y Overall Body Size X/Y Mold Cap Size X/Y Exposed Pad Size Terminal Length Terminal Width Terminal to ePad Clearance Terminal Pitch Notes: 1. All dimensions are in millimeters. 2. Position tolerance of each terminal and exposed pad is 0.05 mm at maximum material condition. Instances of dimension "b" apply to plated terminals and is measured between 0.15 and 0.33 mm from the terminal tip. 3. Details of terminal #1 identifier are optional. However, they must be located within the area indicated. 4. Coplanarity zone applies to exposed pad and terminals. Revision 1.3 (12-27-11) 4 PRODUCT PREVIEW SMSC USB2412 2-Port USB 2.0 Hi-Speed Hub Controller Figure 3 Recommended Printed Circuit Board (PCB) Land Pattern SMSC USB2412 5 PRODUCT PREVIEW Revision 1.3 (12-27-11)