Instruction/ maintenance manual of the product TS3USB221 Texas Instruments
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User's Guide SCDU001A – July 2009 – Revised October 2009 TS3USB221/A/E High Speed USB 2.0 (480 Mbps) 1:2 Multiplexer/Demultiplexer Switch Evaluation Module Contents 1 Preface ...................................................................
A TTENTION HANDLE ONL Y A T ST A TIC SAFE WORK ST A TIONS ST A TIC SENSITIVE DEVICES Preface www.ti.com 1 Preface 1.1 About This Manual This user’s guide describes the TS3USB221/A/E Evaluation Module (EVM). This guide contains the EVM schematics, bill of materials, assembly drawings, and top and bottom board layouts.
TS3USB221/A/E EVM TS3USB221/A/E www.ti.com Introduction 2 Introduction The TS3USB221/A/E EVM is an evaluation module for the Texas Instruments (TI) 1:2 multiplexer/demultiplexer high-bandwidth USB switches. It is specially designed for high-speed USB 2.
TS3USB221/A/E EVM TS3USB221/A/E Introduction www.ti.com 2.2 Quick Start Figure 2. Quick Start Evaluation 1. Connect the PC to the USB connector J3 through a USB cable. 2. Make sure the 3.3-V LDO output is enabled by opening J8 without a jumper. 3. Make sure the TS3USB221/A/E IC is enabled by shunting J7 with a jumper.
TS3USB221/A/E Output Select or Ouput Enable 3.3-V LDO Ouput Enable 10 k W 10 k W www.ti.com EVM Configuration and Description 3 EVM Configuration and Description 3.1 EVM Description To conform to the USB 2.0 specification, the differential traces D+ and D- lines on the board are impedance matched to 90- Ω differential.
EVM Configuration and Description www.ti.com 3.3 Board Stack-Up Table 3 shows the board stack-up. Table 3. Board Stack-Up Subclass Thickness Dielectric Loss Width Impedance Coupling Spacing Diff Z o Type Shield Name (mils) Constant Tangent (mils) ( Ω ) Type (mils) ( Ω ) 1 SURFACE 2 TOP CONDUCTOR 2.
www.ti.com EVM Configuration and Description 3.4 Schematics Figure 4. EVM Schematic 7 SCDU001A – July 2009 – Revised October 2009 TS3USB221/A/E High Speed USB 2.
EVM Configuration and Description www.ti.com 3.5 PCB Layout Figure 5. Top Silkscreen/Assembly 8 TS3USB221/A/E High Speed USB 2.0 (480 Mbps) 1:2 Multiplexer/Demultiplexer SCDU001A – July 2009 – Rev.
www.ti.com EVM Configuration and Description Figure 6. Top Metal (High-Speed Differential) 9 SCDU001A – July 2009 – Revised October 2009 TS3USB221/A/E High Speed USB 2.
EVM Configuration and Description www.ti.com Figure 7. Internal Ground Plane 10 TS3USB221/A/E High Speed USB 2.0 (480 Mbps) 1:2 Multiplexer/Demultiplexer SCDU001A – July 2009 – Revised October 200.
www.ti.com EVM Configuration and Description Figure 8. Internal Power Plane 11 SCDU001A – July 2009 – Revised October 2009 TS3USB221/A/E High Speed USB 2.
EVM Configuration and Description www.ti.com Figure 9. Bottom Metal (Low-Speed Single-Ended) 12 TS3USB221/A/E High Speed USB 2.0 (480 Mbps) 1:2 Multiplexer/Demultiplexer SCDU001A – July 2009 – Rev.
www.ti.com EVM Configuration and Description Figure 10. Bottom Silkscreen/Assembly 13 SCDU001A – July 2009 – Revised October 2009 TS3USB221/A/E High Speed USB 2.
Related Documentation www.ti.com 3.6 Bill of Materials Table 4. Bill of Materials Count RefDes Value Description Size Part Number Manufacturer 2 J1, J3 – USB Connector Type A – AU-Y1005 Assmann El.
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An important point after buying a device Texas Instruments TS3USB221 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Texas Instruments TS3USB221 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Texas Instruments TS3USB221 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Texas Instruments TS3USB221 you will learn all the available features of the product, as well as information on its operation. The information that you get Texas Instruments TS3USB221 will certainly help you make a decision on the purchase.
If you already are a holder of Texas Instruments TS3USB221, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Texas Instruments TS3USB221.
However, one of the most important roles played by the user manual is to help in solving problems with Texas Instruments TS3USB221. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Texas Instruments TS3USB221 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
