iPod touch 5th Gen Tristar Diode Test Values

Hi All,

Is anybody able to provide me with a good set of diode test values for the dock connector of the iPod touch 5th generation for testing the Tristar 1608A1 IC?

I bought the iPod as part of a job lot of broken iPod’s and found that charging the battery outside of the iPod and reinstalling it allows the iPod to boot

The unit will not connect to iTunes or charge.

I’m fairly sure the issue is Tristar but would like to test the resistances of the Tristar IC on the dock connector pins first. I do seem to be getting 5V on the dock connector pads on the logic board so i’m fairly confident the dock is working.

Tristar Test Board I have ordered:


I own an iPod touch 7th Generation I may be able to take measurements from but I don’t think the charging circuits in these devices are going to be comparable.

Kind Regards,


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