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INA851EVM: Inquiry Regarding Temperature Stability of INA851EVM Evaluation Board

Naresh Sawale
Prodigy 10 points
Part Number: INA851EVM
Other Parts Discussed in Thread: INA851

Dear Texas Instruments Team,

I hope this email finds you well.

I am Naresh Ramesh Sawale, a Component Engineer at slb. We are considering the use of the INA851RGTR component and are evaluating the INA851EVM Evaluation Board for our project. However, we require information regarding the temperature stability of this evaluation board as we intend to operate it at high temperatures.

Could you please provide us with data related to the temperature stability of the INA851EVM Evaluation Board? We are particularly interested in its ability to sustain high temperatures. If this evaluation board does not meet our requirements, we would appreciate recommendations for alternative evaluation boards that can operate effectively at high temperatures.

Thank you for your attention to this matter. Your assistance in this regard would be greatly appreciated.

Warm regards,

Naresh Ramesh Sawale
Component Engineer
slb

  • 0
    TI__Guru 54576 points

    HI Naresh,

    Thank you for your interest on the INA851 and INA851EVM evaluation board. The INA851 IC device (stand-alone) is specified for the temperature range from -40ºC to +125ºC. However, the INA851EVM is a standard evaluation board only intended to facilitate evaluation of the device under room temperature/normal lab bench conditions.

    The INA851EVM evaluation board FR-4 standard PCB material is not intended for high temperature testing.  This material is typically rated for temperatures below <110ºC.  In addition, the type of solder is not rated for high temperature, and some of the components on the bill of materials have a limited temperature range.  For example, the voltage supply terminal block screw connector, the jumper shunt connectors used, and other components in the bill of materials are only rated for temperatures below <105°C.

    Please consult directly with your PCB manufacturer as they will be able to provide recommendations for the proper PCB, and solder materials that are rated for high temperature testing. 

    If you wish, I can provide you via private conversation the INA851EVM Altium design files, to use as a starting point on your custom PCB design, but the new board design will need to modify the connector/jumpers and BOM with components rated for high temperature testing, and manufacture a board with the proper PCB material, and solder per the temperature testing needs.

    Thank you and Kind Regards,

    Luis