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SBVU034 – July 2017

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TPS7A39EVM-865 Evaluation Module

User's Guide

SBVU034 – July 2017

TPS7A39EVM-865 Evaluation Module

This user’s guide describes the operational use of the TPS7A39EVM-865 evaluation module (EVM) as a
reference design for engineering demonstration and evaluation of the TPS7A3901DSC, low-dropout linear
regulator (LDO). Included in this user’s guide are setup and operating instructions, layout guidelines, a
printed circuit board (PCB) layout, a schematic diagram, and a bill of materials (BOM).

Throughout this document, the terms

demonstration kit

,

evaluation board

, and

evaluation module

are

synonymous with the TPS7A39EVM-865.

The following related documents are available through the Texas Instruments web site at

www.ti.com

.

Related Documentation

Device

Literature Number

TPS7A39

SBVS263

Summary of Contents for TPS7A39EVM-865

Page 1: ...tion and evaluation of the TPS7A3901DSC low dropout linear regulator LDO Included in this user s guide are setup and operating instructions layout guidelines a printed circuit board PCB layout a schematic diagram and a bill of materials BOM Throughout this document the terms demonstration kit evaluation board and evaluation module are synonymous with the TPS7A39EVM 865 The following related docume...

Page 2: ... 1 Input Output Connectors and Jumper Descriptions 4 2 2 TP12 BUF 5 2 3 Soldering Guidelines 6 2 4 Equipment Connection 6 3 Operation 6 4 PCB Layout 7 5 Schematic 8 6 Bill of Materials 9 List of Figures 1 Assembly Layer 7 2 Top Layer Routing 7 3 Bottom Layer Routing 7 4 TPS7A39EVM 865 Schematic 8 List of Tables 1 TPS7A39EVM 865 BOM 9 Trademarks All trademarks are the property of their respective o...

Page 3: ...PS7A39 1 1 Before You Begin The following warnings and cautions are noted for the safety of anyone using or working close to the TPS7A39EVM 865 Observe all safety precautions Warning Warning Hot surface Contact may cause burns Do not touch CAUTION The circuit module may be damaged by overtemperature To avoid damage monitor the temperature during evaluation and provide cooling as needed for your sy...

Page 4: ...ed can be added here 2 1 5 J5 GND Positive output ground return connector 2 1 6 J6 GND Positive input ground return connector 2 1 7 J7 OUTN_S Negative output sense test point An SMA connector not provided can be added here 2 1 8 J8 INP Positive input voltage power supply connector Keep the positive input lead as short as possible to minimize input inductance 2 1 9 J9 Positive LDO Resistor Divider ...

Page 5: ...s for the negative output voltage Place a short to select the desired output voltage from the silkscreen 2 1 17 TP1 OUTP_S Positive output sense test point 2 1 18 TP2 INP_S Positive input sense test point 2 1 19 TP3 FBP_S Positive feedback sense test point 2 1 20 TP4 INN_S Negative input sense test point 2 1 21 TP5 NR SS NR SS sense test point 2 1 22 TP6 FBN_S Negative feedback sense test point 2 ...

Page 6: ...input supply to 33 V min and turn the power supply off 3 Connect the positive voltage lead from the input power supply to INP at the J8 connector of the EVM 4 Connect the negative voltage lead from the input power supply to INN at the J10 connector of the EVM 5 Connect the ground lead from the input power supply to GND at the J6 and J12 connector of the EVM 6 Connect a 0 mA to 150 mA load between ...

Page 7: ...cumentation Feedback Copyright 2017 Texas Instruments Incorporated TPS7A39EVM 865 Evaluation Module 4 PCB Layout Figure 1 to Figure 3 illustrate the PCB layout for this EVM Figure 1 Assembly Layer Figure 2 Top Layer Routing Figure 3 Bottom Layer Routing ...

Page 8: ... com 8 SBVU034 July 2017 Submit Documentation Feedback Copyright 2017 Texas Instruments Incorporated TPS7A39EVM 865 Evaluation Module 5 Schematic Figure 4 is the schematic for this EVM Figure 4 TPS7A39EVM 865 Schematic ...

Page 9: ...ulated Black 6092 6092 Keystone J9 1 Header 2 54 mm 4x2 Gold SMT Header 2 54 mm 4x2 SMT TSM 104 01 L DV Samtec J10 J11 2 BANANA JACK 15A Insulated Nylon Yellow 940x438x438 mil 108 0907 001 Emerson Network Power J14 1 Header 100 mil 3x1 Gold SMT Samtec_TSM 103 01 X SV TSM 103 01 L SV Samtec J15 1 Header 2 54 mm 2x1 Gold R A SMT Header 2 54 mm 2x1 R A SMT 0878980204 Molex J16 1 Header 2 54 mm 5x2 Go...

Page 10: ...de VIN 33 V 150 mA Spilt Rail Output Positive and Negative LDO Voltage Regulator with Startup Tracking DSC0010 J DSC0010 J TPS7A3901DSC Texas Instruments C2 C4 C9 C13 0 10uF CAP CERM 10 µF 25 V 20 X5R 0603 0603 C1608X5R1E106M080AC TDK C5 0 0 01uF CAP CERM 0 01 µF 50 V 5 C0 G NP0 0603 0603 C1608 NP01 H103 J080AA TDK C14 0 0 1uF CAP CERM 0 1 µF 100 V 10 X7 S AEC Q200 Grade 1 0603 0603 CGA3E3X7 S2A10...

Page 11: ...11 SBVU034 July 2017 Submit Documentation Feedback TPS7A39EVM 865 Evaluation Module ...

Page 12: ...the development of applications that include the TI product s identified in such 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 PARTY IS GRANTED HEREIN including but not limited to any patent right copyright mask work right or other intellectual p...

Page 13: ...y 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 are determined by TI not to conform to such warranty If TI elects to repair or replace such EVM TI shall have a reasonable time to repair such EVM or provide replacements Repaired EVMs shall be warr...

Page 14: ...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 greater than the maximum gain indicated for that type are strictly prohibited for use with this device Concernant les EVMs avec antennes détachables Conformément à la réglementation d Industrie Canada le présent émetteur radio peut fo...

Page 15: ...ed loads Any loads applied outside of the specified output range may also result in unintended and or inaccurate operation and or possible permanent damage to the EVM and or interface electronics Please consult 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 ...

Page 16: ...COST 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 USE LOSS OF DATA OR BUSINESS INTERRUPTION NO CLAIM SUIT OR ACTION SHALL BE BROUGHT AGAINST TI MORE THAN TWELVE 12 MONTHS AFTER THE EVENT THAT GAVE RISE TO THE CAUSE OF ACTION HAS OCCURRED 8 2 Specif...

Page 17: ... 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 PARTY IS GRANTED HEREIN including but not limited to any patent right copyright mask work right or other intellectual property right relating to any combination machine or process in which TI product...

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