Texas Instruments TPS2375EVM Скачать руководство пользователя страница 16 | Manualshive

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Texas Instruments TPS2375EVM Скачать руководство пользователя страница 16

Features

3-4

3.4.6

Available Spare Footprints

-

TP15, TP16 – extra test points for 48-V positive rail (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;

-

R12 – To reduce the load resistance (or increase the load current) on the
TPS2375 output if desired.

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Содержание TPS2375EVM

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 8: ...Contents viii...

Страница 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...

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

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 20: ...4 4...

Страница 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...

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

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

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

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

Страница 26: ...5 6...

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