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Texas Instruments TPS2375EVM User Manual Download Page 23

Layouts

5-3

Schematic and Layout

5.2

Layouts

The board layout is shown on the following pages.

Summary of Contents for TPS2375EVM

Page 1: ...April 2004 PMP Systems Power User s Guide SLVU108 This datasheet has been downloaded from http www digchip com at this page...

Page 2: ...ute a license from TI to use such products or services or a warranty or endorsement thereof Use of such information may require a license from a third party under the patents or other intellectual pro...

Page 3: ...handling or use of the goods Please be aware that the products received may not be regulatory compliant or agency certified FCC UL CE etc Due to the open construction of the product it is the user s r...

Page 4: ...t If there is uncertainty as to the load specification please contact a TI field representative During normal operation some circuit components may have case temperatures greater than 85 C The EVM is...

Page 5: ...hapters Chapter 1 Introduction Chapter 2 Hardware Overview Chapter 3 EVM Operation Chapter 4 Bill of Materials Chapter 5 EVM Schematic and Layout Information About Cautions and Warnings This book may...

Page 6: ...vi The information in a caution or a warning is provided for your protection Please read each caution and warning carefully Related Documentation From Texas Instruments TPS2375 Power Over Ethernet Po...

Page 7: ...Capacitors 3 3 3 4 2 Gigabit Ethernet Application 3 3 3 4 3 Dual DUT Footprint 3 3 3 4 4 Power Good Indicator 3 3 3 4 5 Connect DC DC Converter 3 3 3 4 6 Available Spare Footprints 3 4 4 Bill of Mate...

Page 8: ...Contents viii...

Page 9: ...escribes the setup and operation of the TPS2375 HPA028 evaluation module EVM Information and instructions presented throughout this document assumes user familiarity with the IEEE 802 3af Specificatio...

Page 10: ...1 2 This page has been left blank intentionally...

Page 11: ...tand alone power supply According to the IEEE 802 3af specification the PD module must provide the circuitry needed to be detected by the PSE as it polls the Ethernet links The IEEE 802 3af specificat...

Page 12: ...2 2 This page has been left blank intentionally...

Page 13: ...3 1 EVM Operation This chapter discusses the EVM operation including setup jumpers test points and features Topic Page 3 1 Setup 3 2 3 2 Jumpers 3 2 3 3 Test Points 3 2 3 4 Features 3 3 Chapter 3...

Page 14: ...for TPS2375 VSS pin TP5 Test point for TPS2375 RTN pin TP6 Test point for TPS2375 PG pin TP7 Test point for TPS2375 N C pin or the UVLO pin if the DUT is TPS2376 TP8 Test point for TPS2375 VDD pin TP9...

Page 15: ...100 V 3 4 2 Gigabit Ethernet Application The EVM only allows 10 100BASE data rate transmission due to the magnetic limitation of T1 H2019 To evaluate the EVM with a Gigabit Ethernet network remove T1...

Page 16: ...il VDD TP18 TP19 extra test points for 48 V load side return RTN J5 Jack for connecting an external wall mounted transformer power sup ply R8 R9 To set the UVLO threshold if a TPS2376 is under test R1...

Page 17: ...4 1 Bill of Materials This chapter contains the bill of materials for the TPS2375EVM Topic Page 4 1 Bill of Materials 4 2 Chapter 4...

Page 18: ...W 1 603 CRCW06034421F Vishay 1 R1 Resistor Chip 95 1 8W 1 1206 CRCW1206953F Vishay 1 R2 Resistor Chip 549 1 8W 1 1206 CRCW1206549F Vishay 1 R3 Resistor Chip 357 W 1 2010 CRCW20103570F Vishay 1 R4 Res...

Page 19: ...4 316 In 2 890 In 0 062 In HPA028 Any 4 Rubber bumber 2566 SPC Tech Notes 1 These assemblies are ESD sensitive ESD precautions must be observed 2 These assemblies must be clean and free from flux and...

Page 20: ...4 4...

Page 21: ...5 1 Schematic and Layout This chapter contains the schematic and layout for the TPS2375EVM Topic Page 5 1 Schematic 5 2 5 2 Layouts 5 3 Chapter 5...

Page 22: ...TPS2375 EVM Schematic 5 2 5 1 TPS2375 EVM Schematic...

Page 23: ...Layouts 5 3 Schematic and Layout 5 2 Layouts The board layout is shown on the following pages...

Page 24: ...Layouts 5 4 Figure 5 1 Top Assembly Layer...

Page 25: ...Layouts 5 5 Schematic and Layout Figure 5 2 Bottom Assembly Layer...

Page 26: ...5 6...

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