Hi,
My customer would like to sense following current.
- min:1mA, typ:2.5mA, max:4.0mA
Is this practical?
They are worried false detection that 1mA(min) detect as open by dispersion of each component characteristics.
Best Regards,
Kuramochi
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Hi,
My customer would like to sense following current.
- min:1mA, typ:2.5mA, max:4.0mA
Is this practical?
They are worried false detection that 1mA(min) detect as open by dispersion of each component characteristics.
Best Regards,
Kuramochi
Hi Kuramochi,
It is important to note that the output current to sense pin current ratio accuracy is not ensured for output currents less than 5 mA. Furthermore, as shown in the Electrical Characteristics table, the accuracy of this ratio decreases as the output current decreases.
The voltage on the sense pin will still follow Ohm's Law at the lower output currents. It is the ratio Io / 198 that will not be as accurate as it is with higher output currents.
Very Respectfully,
Ryan
Ryan-san,
Thank you for your answer.
My customer would like to no sense but only detect "open load".
In this case, can TPS7B770x detect 1mA(min)?
Best Regards,
Kuramochi