TPS27SA08-Q1: Lifetime and temperature drift of current sense accuracy

Daniel Waleniak

Part Number: TPS27SA08-Q1

Dear Team,

Our customer is potentially interested in this part, but requires information on the drift of the current sense measurement over time (automotive application) as well as with temperature changes. Do you have any data to share?

Thanks,

Daniel Waleniak

over 2 years ago

0 Shreyas Dmello over 2 years ago

TI__Mastermind 32650 points

Hi Daniel,

We can guarantee that over the operating temperature range of -40C to 125C, the accuracy range in the datasheet will hold. It is possible that temperature will cause some drift but it will be well within this stated range.

Thanks,

Shreyas

0 Daniel Waleniak over 2 years ago in reply to Shreyas Dmello

TI__Expert 3675 points

Hi Shreyas,

Thanks, but what about the lifetime of a vehicle? Can we also guarantee this?

0 Shreyas Dmello over 2 years ago in reply to Daniel Waleniak

TI__Mastermind 32650 points

Hi Daniel,

Lifetime of the vehicle is difficult to define but we do provide FIT and MTBF estimates for all our devices. Please follow this link for these estimates along with quality and reliability data:

https://www.ti.com/quality-reliability-packaging-download/report?opn=TPS27SA08CQPWPRQ1

This device is Auto Grade 1, AEC Q-100 certified and has passed extensive heat and humidity testing (from the link).

Thanks,

Shreyas

0 Daniel Waleniak over 2 years ago in reply to Shreyas Dmello

TI__Expert 3675 points

Thanks Shreyas, it should be enough I think. I will get back to you if the customer has further questions.

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TPS27SA08-Q1: Lifetime and temperature drift of current sense accuracy