temperature derating of TPS650532

Takahiro Nishizawa

Genius 5575 points

Other Parts Discussed in Thread: TPS65053

I have a question about TPS650532.

Do you have the data of temperature derating?

We want to check that how much Iout of DCDC1 will change under temperature conditions around 80℃.

Best regards,

Takahiro Nishizawa

over 7 years ago

0 Karl Wallinger over 7 years ago

TI__Genius 16410 points

Hello Nishizawa-san,

I'm sorry, it's not clear to me what you are asking. The current limit of DCDC1 has a min and max value which is guaranteed across Ta = -40C to 85C. If this is not helpful, would you mind explaining your question further?

Regards,
Karl

0 Takahiro Nishizawa over 7 years ago in reply to Karl Wallinger

Genius 5575 points

Thank you for your answer!

Ta=-40~85℃
Tj=-40~125℃

If the above conditions are satisfied, DCDC1 outputs max 1A.
Is this understanding correct?

Best regards,

Takahiro Nishizawa

0 Karl Wallinger over 7 years ago in reply to Takahiro Nishizawa

TI__Genius 16410 points

Hello Nishizawa-san,

Yes, the TPS65053 specifications are valid for Ta=-40C to 85 and Tj=-40C to 125C. Both conditions need to be satisfied during operation of the device. Then DCDC1 can support 1A, with current limit as specified in the datasheet.

Regards,
Karl

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temperature derating of TPS650532