TPS55160-Q1: Why its output range is limited to 5.7V to 9V?

Hi Helen,

Thank you for reply. But why TPS55165-Q1 can be set to 5V or 12V output? I think the only difference is the feedback resistive divider is integrated on chip.

Regards,

John

Hi John,

Very good question. Actually this part is transferred to our product line years ago. We also not know the exact root cause.

If possible, I suggest you use our new part TPS55288, but it need two extra Buck FET in the design. You can accept my friendship request if wanted.

Hi Helen,

I have accepted your request.

The two external FETs make the ckt very complicated, i am afraid customer will go to competitor's device which is much more simplier. (strangely i cannot find the datasheet on web but EVM datasheet) Could you please help me check if it is possible to use TPS55160 for 10V output?

Thank you!

John

Hi John,

Since the datasheet only guarantee 9V output, so we must keep this limit though it looks OK by test.

Could u please share the detailed application with us? Like Vin, Vo, Io so that we can recommend a better one to you.

Hi Helen,

I am actually do not think it make sense.

The application is power supply for DC E-meter (for DC charging pile), Vin=5V to 36V, Vo=10V, Io=0.5A.

Thank you!

John