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Schematic, PCB Layout, and Bill of Materials

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SBOU230 – October 2019

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Copyright © 2019, Texas Instruments Incorporated

INA290EVM

Figure 4. INA290EVM Schematic: Gain A4 Panel

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Содержание INA290EVM

Страница 1: ...on and use of the INA290 evaluation module EVM This EVM is designed to evaluate the performance of the INA290 voltage output current shunt monitor in a variety of configurations Throughout this document the terms evaluation board evaluation module and EVM are synonymous with the INA290EVM This document also includes a schematic reference printed circuit board PCB layouts and a complete bill of mat...

Страница 2: ...ic PCB Layout and Bill of Materials 9 6 1 Schematics 9 6 2 PCB Layout 14 6 3 Bill of Materials 16 List of Figures 1 INA290EVM Schematic Gain A1 Panel 9 2 INA290EVM Schematic Gain A2 Panel 10 3 INA290EVM Schematic Gain A3 Panel 11 4 INA290EVM Schematic Gain A4 Panel 12 5 INA290EVM Schematic Gain A5 Panel 13 6 INA290EVM Top Overlay 14 7 INA290EVM Bottom Overlay 14 8 INA290EVM Top Layer 14 9 INA290EV...

Страница 3: ...a Keep work area clean and orderly b Qualified observer s must be present anytime circuits are energized c Effective barriers and signage must be present in the area where the TI HV EVM and its interface electronics are energized indicating operation of accessible high voltages may be present for the purpose of protecting inadvertent access d All interface circuits power supplies evaluation module...

Страница 4: ...pyright 2019 Texas Instruments Incorporated INA290EVM 3 Personal Safety a Wear personal protective equipment for example latex gloves or safety glasses with side shields or protect EVM in an adequate lucent plastic box with interlocks to protect from accidental touch Limitation for safe use EVMs are not to be used as all or part of a production unit ...

Страница 5: ... The device operates with supply voltages between 2 7 V and 20 V and draws a typical of 350 µA at room temperature 1 INA290B Q1 is a preview device Table 1 INA290 Gain Option Summary Product 1 Gain V V INA290A1 20 INA290A2 50 INA290A3 100 INA290A4 200 INA290A5 500 2 1 EVM Kit Contents Table 2 summarizes the contents of the INA290EVM kit Contact the nearest Texas Instruments Product Information Cen...

Страница 6: ...ns 1 to 5 listed in Table 1 Each PCB cutout has one INA290n device where n is 1 2 3 4 or 5 test points and sockets for external hardware connections and pads to solder down optional circuitry 3 1 Features The INA290EVM PCB provides the following features Evaluation of all gain options through provided device boards Ease of access to device pins with test points Pads and sockets for optional filter...

Страница 7: ...rocedure 1 Connect a positive differential voltage across the Vin J1_n and Vin J1_n tabs Given the internal GND reference of the device make sure that the Vin pin is the more positive of the two inputs 2 Connect a 2 7 V to 110 V common mode voltage to the inputs if the differential voltage supply is a floating supply Connect the positive lead of the external voltage source to the Vin J1_n tab and ...

Страница 8: ...sistor between the Vin and Vin pads sensed by IN and IN input pins If used make sure R1_An has proper power dissipation for the selected current load The chosen resistor must have a 2512 footprint 5 4 U1_An INA290 U1_An is the location for the INA290An test device Consider these factors when selecting the appropriate device gain The differential input voltage is either applied across the inputs or...

Страница 9: ...Schematic PCB Layout and Bill of Materials NOTE Board layouts are not to scale These figures are intended to show how the board is laid out They are not intended to be used for INA290EVM PCB manufacturing 6 1 Schematics Figure 1 through Figure 5 show the schematics for the A pinout of the INA290EVM PCB for all gain options Figure 1 INA290EVM Schematic Gain A1 Panel ...

Страница 10: ...hematic PCB Layout and Bill of Materials www ti com 10 SBOU230 October 2019 Submit Documentation Feedback Copyright 2019 Texas Instruments Incorporated INA290EVM Figure 2 INA290EVM Schematic Gain A2 Panel ...

Страница 11: ...w ti com Schematic PCB Layout and Bill of Materials 11 SBOU230 October 2019 Submit Documentation Feedback Copyright 2019 Texas Instruments Incorporated INA290EVM Figure 3 INA290EVM Schematic Gain A3 Panel ...

Страница 12: ...hematic PCB Layout and Bill of Materials www ti com 12 SBOU230 October 2019 Submit Documentation Feedback Copyright 2019 Texas Instruments Incorporated INA290EVM Figure 4 INA290EVM Schematic Gain A4 Panel ...

Страница 13: ...w ti com Schematic PCB Layout and Bill of Materials 13 SBOU230 October 2019 Submit Documentation Feedback Copyright 2019 Texas Instruments Incorporated INA290EVM Figure 5 INA290EVM Schematic Gain A5 Panel ...

Страница 14: ... Documentation Feedback Copyright 2019 Texas Instruments Incorporated INA290EVM 6 2 PCB Layout Figure 6 through Figure 12 show the PCB layout for the INA290EVM Figure 6 INA290EVM Top Overlay Figure 7 INA290EVM Bottom Overlay Figure 8 INA290EVM Top Layer Figure 9 INA290EVM Bottom Layer ...

Страница 15: ...t and Bill of Materials 15 SBOU230 October 2019 Submit Documentation Feedback Copyright 2019 Texas Instruments Incorporated INA290EVM Figure 10 INA290EVM Top Solder Figure 11 INA290EVM Bottom Solder Figure 12 INA290EVM Drill Drawing ...

Страница 16: ... 0603 MCT06030Z0000ZP500 Vishay Beyschlag TP1_A1 TP1_A2 TP1_A3 TP1_A4 TP1_A5 TP2_A1 TP2_A2 TP2_A3 TP2_A4 TP2_A5 TP3_A1 TP3_A2 TP3_A3 TP3_A4 TP3_A5 TP4_A1 TP4_A2 TP4_A3 TP4_A4 TP4_A5 20 Test Point Miniature SMT Testpoint_Keystone_Miniature 5015 Keystone U1_A1 1 INA290A1IDCKR DCK0005A SOT SC70 5 DCK0005A INA290A1IDCKR Texas Instruments U1_A2 1 INA290A2IDCKR DCK0005A SOT SC70 5 DCK0005A INA290A2IDCKR...

Страница 17: ...other than TI b the nonconformity resulted from User s design specifications or instructions for such EVMs or improper system design or c User has not paid on time Testing and other quality control techniques are used to the extent TI deems necessary TI does not test all parameters of each EVM User s claims against TI under this Section 2 are void if User fails to notify TI of any apparent defects...

Страница 18: ... These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation...

Страница 19: ...y for convenience and should be verified by User 1 Use EVMs in a shielded room or any other test facility as defined in the notification 173 issued by Ministry of Internal Affairs and Communications on March 28 2006 based on Sub section 1 1 of Article 6 of the Ministry s Rule for Enforcement of Radio Law of Japan 2 Use EVMs only after User obtains the license of Test Radio Station as provided in R...

Страница 20: ... any interfaces electronic and or mechanical between the EVM and any human body are designed with suitable isolation and means to safely limit accessible leakage currents to minimize the risk of electrical shock hazard User assumes all responsibility and liability for any improper or unsafe handling or use of the EVM by User or its employees affiliates contractors or designees 4 4 User assumes all...

Страница 21: ...OR DAMAGES ARE CLAIMED THE EXISTENCE OF MORE THAN ONE CLAIM SHALL NOT ENLARGE OR EXTEND THIS LIMIT 9 Return Policy Except as otherwise provided TI does not offer any refunds returns or exchanges Furthermore no return of EVM s will be accepted if the package has been opened and no return of the EVM s will be accepted if they are damaged or otherwise not in a resalable condition If User feels it has...

Страница 22: ...se resources are subject to change without notice TI grants you permission to use these resources only for development of an application that uses the TI products described in the resource Other reproduction and display of these resources is prohibited No license is granted to any other TI intellectual property right or to any third party intellectual property right TI disclaims responsibility for...

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