-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Somebody in the thread at some point said: | Andy Green wrote: |> What I like though is the "Be conservative in what you do" part of it. |> Because we have not seen failures in the field from GTA02 arrangements, |> I am having a hard time accepting we need to change anything from proven |> GTA02 situation. If someone can actually show that GTA02 style |> arrangement leads to product failure in normal circumstances then it |> makes it clear we need to do better. But it seems thousands of users |> are proving it's robust enough already. Why add reverse voltage |> protection when nobody seems to have reversed the voltage on their USB |> connector to date? | | I have two GTA01's that are dead due to 12V being applied to the power | supply of an upstream USB hub instead of 5V ... | | Of course, this was in a test rig scenario, with 5V and 12V both | available on a serial-remote-controlled relay box powering the devices, | so perhaps that doesn't count as "normal circumstances" (but then | perhaps it is normal for a phone like this ...).
Fair enough, I could tell you it won't survive 12V on USB port. Nor will any other USB device I heard of, I think it is OK. - -Andy -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux) Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org iEYEARECAAYFAki3+YQACgkQOjLpvpq7dMo7LQCfZ37RGbg34wZjs8SaTvP3w8LY HGkAoIqHXyrL50myBMXTe2a8yVqaQ2CB =G7nV -----END PGP SIGNATURE----- _______________________________________________ hardware mailing list hardware@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/hardware
