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Contents

1

Overview

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3

1.1

INA250EVM Kit Contents

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3

1.2

Related Documentation from Texas Instruments

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3

2

INA250EVM Hardware

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4

2.1

Theory of Operation

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4

2.2

Features

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5

2.3

Quick-Start Setup and Use

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5

2.4

Current Input

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5

3

Schematic, PCB Layout, and Bill of Materials

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6

3.1

Schematic

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6

3.2

PCB Layout

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7

3.3

Bill of Materials

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9

List of Figures

1

INA250 Test Board Block Diagram

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4

2

INA250 Test Board Schematic

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6

3

PCB Component Placement

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7

4

PCB Top Layer

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8

5

PCB Bottom Layer

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8

List of Tables

1

INA250EVM Kit Contents

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3

2

Related Documentation

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3

3

INA250 Test Board BOM

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9

2

INA250EVM User's Guide

SBOU153 – May 2015

Submit Documentation Feedback

Copyright © 2015, Texas Instruments Incorporated

Summary of Contents for INA250EVM

Page 1: ...f the hardware operation Throughout this document the terms evaluation board evaluation module and EVM are synonymous with the INA250EVM This document also includes an electrical schematic printed cir...

Page 2: ...out and Bill of Materials 6 3 1 Schematic 6 3 2 PCB Layout 7 3 3 Bill of Materials 9 List of Figures 1 INA250 Test Board Block Diagram 4 2 INA250 Test Board Schematic 6 3 PCB Component Placement 7 4 P...

Page 3: ...at www ti com for any further information regarding this product Table 1 INA250EVM Kit Contents Item Quantity INA250 test board 1 1 2 Related Documentation from Texas Instruments The following docume...

Page 4: ...R1 is a 0 resistor that ties SH to VIN R2 is a 0 resistor that ties SH to VIN Components R1 R2 C3 C4 and C5 can be added or replaced to provide optional filtering of the voltages out of the SH and SH...

Page 5: ...est point and connect the ground reference of that supply to the GND screw terminal or test point 2 Connect an external dc supply voltage between 0 V and 18 V referenced to the ground of the INA250 to...

Page 6: ...NA250 test board Components R1 R2 C3 C4 and C5 can be optionally added and replaced for an input filter Keep the filter resistors to under 10 to avoid excessive additional gain error Banana jack termi...

Page 7: ...ous current over temperature Enhance the current handling capability by using proper layout techniques that facilitate heat dissipation Combine the large power planes at the IN and IN pins of the INA2...

Page 8: ...PCB Layout and Bill of Materials www ti com Figure 4 PCB Top Layer Figure 5 PCB Bottom Layer 8 INA250EVM User s Guide SBOU153 May 2015 Submit Documentation Feedback Copyright 2015 Texas Instruments In...

Page 9: ...6033D104KAT2A AVX 2 C4 C5 CAP CERM 0 1uF 25 V 10 X7R 0805 08053C104KAT2A AVX 10 GND IN IN Test Point Compact SMT 5016 Keystone OUT REF TPGnd2 TPGnd3 VIN VIN VS 2 J1 J2 Standard Banana Jack Uninsulated...

Page 10: ...ing 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 repa...

Page 11: ...transmitter has been approved by Industry Canada to operate with the antenna types listed in the user guide with the maximum permissible gain and required antenna impedance for each antenna type indic...

Page 12: ...ified allowable ranges some circuit components may have elevated case temperatures These components include but are not limited to linear regulators switching transistors pass transistors current sens...

Page 13: ...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 L...

Page 14: ...sponsible for compliance with all legal regulatory and safety related requirements concerning its products and any use of TI components in its applications notwithstanding any applications related inf...

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