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Old Apr 29, 2008, 06:25 AM
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Please consider, can this apply for micro brusshless motor?

http://www.utc-ic.com/spec/UH276.pdf

It's easily found in cooling fan of PC equipment.
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Old May 04, 2008, 12:18 PM
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Peterfly

I may be wrong but I can see it being used in a 2-coil setup where it could alternately switch the current from one coil to the other and thus double the power stroke per shaft revolution using the present 2 phase 180 degree magnet that we are now using.
Paul
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Old May 07, 2008, 11:36 AM
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Thank you for replying. Today, I test it by using original board form PC's cooling fan. It comprised with that IC, 1 capacitor and 1 diode.
The original board use 12 V power but I test with Lipo 1 cell. The coil and magnet, I used, from 6 mm pager motor. The result is it only huanting, maybe cuased by the 2 coils from pager motor is 120 degree or by the value of capacitor not matched, I'll check the data sheet.
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