In the past [and currently] I have been using a few high powered LEDs to make USB powered lights in an effort to integrate my desk lamp into the computer [the hard way of just buying another current tap]
Several prototypes were made and I'm running this particular one on my minty to drain cr123A cells
Its capable of drawing 500ma and the max756 chips getting pretty warm compared to running single LED at ~200ma. warm, but touchable over a duration of 30 minutes...around the hour it was hot to the touch. the batteries are also pretty warm.
my question: is the current draw of the device pulling too much current from the minty thats causing the excessive heat? And will this extra heat kill the IC or any components over a period of time shortening its life?
Device drawing more than spec'd current, damage?
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- Posts: 21
- Joined: Fri Jun 22, 2007 12:11 pm
Please be positive and constructive with your questions and comments.