Rank: Member
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Joined: 1/4/2011(UTC)
Posts: 19
Location: Melbourne, Australia
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I'm planning to power an Opus with an LCDPS. I'm also wanting to use the LCDPS to power a Teensy USB board to act as a controller. I don't want to power the Teensy off the USB supply as I'd like it to be able to power down some parts of the system when the host disconnects.
The Teensy appears to want an input voltage of 5.5V. The Opus manual recommends 7.5V.
Should I:
1) Power both sides of the Opus off one side of the LCDPS at 7.5V and use the other side at 5.5V for the Teensy.
2) Power the digital side of the Opus and the Teensy off one side of the LCDPS at 5.5V and the analogue side of the Opus off the other at 7.5V.
3) Use one side of the LCDPS for each side of the Opus, both at 7.5V, and use something like a regulator coming off the same supply as the digital side to get the voltage down to 5V for the Teensy.
I'm also open to any other suggestions. =)
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Rank: Administration
Groups: Administration, Customer
Joined: 10/24/2006(UTC)
Posts: 3,979
Location: Nashville, TN
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I think I would try powering VD and the Teensy with 5.5V
Then VA with 7.5V.
Its worth a go anyway. :)
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