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EVM Assembly Drawings and Layout Guidelines

SLVUB94 – October 2017

TPS254900AQ1EVM-003 Evaluation Module

EVM Assembly Drawings and Layout Guidelines

5.1

PCB Drawings

Figure 3

through

show component placement and layout of the EVM.

Figure 3. Top Side Placement

Figure 4. Top Side Routing

Figure 5. Layer Two Routing

Figure 6. Layer Three Routing

Содержание TPS254900AQ1EVM-003

Страница 1: ...data line DP and DM switches Contents 1 Introduction 2 2 Description 2 3 Schematic 3 4 General Configuration and Description 4 5 EVM Assembly Drawings and Layout Guidelines 6 6 Bill of Materials 9 Lis...

Страница 2: ...030SDDAR buck regulator U1 and associated circuitry This provides a nominal 5 V 3 A output at 5 VDC for the TPS254900A Q1 U2 The TPS254900A Q1 internal power switch connects 5 VDC furnished by the LMR...

Страница 3: ...4 100k R15 100k R19 10 F C11 47 F 35V C9 DNP DP_IN DM_IN DM_IN DP_IN 2 2 F C10 TP11 TP10 TP9 12V 1A GND BOOT 1 VIN 2 EN 3 RT SYNC 4 FB 5 SS 6 GND 7 SW 8 PAD 9 U1 LMR14030SDDAR IMON 1 IN 3 DM_OUT 4 DP_...

Страница 4: ...a 7 V 18 V 1 5 A voltage source according to the polarity marked on the EVM D2 RED D2 TPS254900A Q1 FAULT output is triggered D3 BLUE D3 TPS254900A Q1 STATUS output is triggered D6 GREEN D6 TPS254900A...

Страница 5: ...17 Submit Documentation Feedback Copyright 2017 Texas Instruments Incorporated TPS254900AQ1EVM 003 Evaluation Module 4 2 Test Setup Figure 2 shows a typical test setup for TPS254900AQ1EVM 003 Connect...

Страница 6: ...017 Texas Instruments Incorporated TPS254900AQ1EVM 003 Evaluation Module 5 EVM Assembly Drawings and Layout Guidelines 5 1 PCB Drawings Figure 3 through Figure 8 show component placement and layout of...

Страница 7: ...awings and Layout Guidelines 7 SLVUB94 October 2017 Submit Documentation Feedback Copyright 2017 Texas Instruments Incorporated TPS254900AQ1EVM 003 Evaluation Module Figure 7 Bottom Side Routing Figur...

Страница 8: ...d ILIM_HI pin connections Current limit set point accuracy can be compromised by stray current leakage from a higher voltage source to the ILIM_LO or ILIM_HI pins Ensure that there is adequate spacing...

Страница 9: ...SMD BLUE 0603 LED LB Q39G L2N2 35 1 OSRAM D4 D5 2 18V Diode TVS Uni 18 V 400 W SMA SMA SMAJ18A Littelfuse D6 1 Green LED Green SMD 0 8x1 6mm HSMG C190 Avago J1 1 Conn Term Block 2POS 3 5mm TH 11x8 5x...

Страница 10: ...2 1x2 Shunt 100mil Gold plated Black Shunt 969102 0000 DA 3M SNT 100 BK G Samtec TP1 TP2 TP3 TP4 TP7 TP8 TP9 TP10 TP11 9 SMT Test Point Miniature SMT Testpoint_Keystone_Mini ature 5015 Keystone U1 1 S...

Страница 11: ...set forth above or credit User s account for such EVM TI s liability under this warranty shall be limited to EVMs that are returned during the warranty period to the address designated by TI and that...

Страница 12: ...the antenna types listed in the user guide with the maximum permissible gain and required antenna impedance for each antenna type indicated Antenna types not included in this list having a gain great...

Страница 13: ...t the EVM user guide prior to connecting any load to the EVM output If there is uncertainty as to the load specification please contact a TI field representative During normal operation even with the...

Страница 14: ...OST OF REMOVAL OR REINSTALLATION ANCILLARY COSTS TO THE PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES RETESTING OUTSIDE COMPUTER TIME LABOR COSTS LOSS OF GOODWILL LOSS OF PROFITS LOSS OF SAVINGS LOSS OF...

Страница 15: ...TI Resource NO OTHER LICENSE EXPRESS OR IMPLIED BY ESTOPPEL OR OTHERWISE TO ANY OTHER TI INTELLECTUAL PROPERTY RIGHT AND NO LICENSE TO ANY TECHNOLOGY OR INTELLECTUAL PROPERTY RIGHT OF TI OR ANY THIRD...