P82B715: Power consumption

Jonathan Navor

Part Number: P82B715

Hi Experts,

We need your support for our customers.

Our customer would like us to provide the data for the total power consumption of the device summing up all the pins' power consumed.

Is this possible?

Thank you in advance for your support.

Best regards,
Jonathan

over 2 years ago

0 Tyler Townsend over 2 years ago

TI__Guru 52938 points

Hi Jonathan,

I think we can provide an estimate but not an exact value.

Does the customer have a schematic on hand that we can look at.

Regards,

Tyler

0 alekhya punumalli over 2 years ago in reply to Tyler Townsend

Prodigy 10 points

The power dissipation overall data is not available in datasheet(for part# P82B715DR) . please suggest. For example please find attached reference.

0 Clemens Ladisch over 2 years ago in reply to alekhya punumalli

Guru 318740 points

The worst-case power dissipation is roughly I_CC × 5 V + 2 × (30 mA × 0.4 V) + 2 × (3 mA × 0.4 V) = 136.4 mW. So the temperature increase in the SOIC package is R_θJA × 136.4 mW ≈ 14 °C. So even at the maximum ambient temperature of 85 °C, it will not come near the maximum junction temperature. So specifying a power dissipation limit would not help you designing the circuit.

0 Tyler Townsend over 2 years ago

TI__Guru 52938 points

Hi Jonathan,

Please let me know if this information has answered your question.

Regards,

Tyler

0 Jonathan Navor over 2 years ago in reply to Tyler Townsend

TI__Genius 9475 points

Hi Tyler,

The customer is still reviewing your answer and got no feedback. I will let you know if this information is enough for the cusotmer.

Thank you once again.

Best regards,

Jonathan

0 Tyler Townsend over 2 years ago in reply to Jonathan Navor

TI__Guru 52938 points

Jonathan,

Thank you for the response. I will put this thread as "waiting for customer." until we receive a reply from the customer.

Regards,

Tyler

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P82B715: Power consumption