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Old 08-26-2011, 03:59 PM #1
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Post FlexDrive V5 Heatsinking?

So i am going to drive a flexdrive V5 to 1100 mA. I want to heatsink it so it will last longer so i have a few questions.
Which side should be attached to the heatsink?
Do i glue it with any thermal glue?



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Old 08-26-2011, 04:06 PM #2
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Default Re: FlexDrive V5 Heatsinking?

Good question. I have a similar project and would like to know the answer. I believe the side which needs heatsinking is the opposite to the one with the coil, but am not sure which the IC part is.

Last edited by Elektrotechniker; 08-26-2011 at 04:13 PM.
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Old 08-27-2011, 01:05 AM #3
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Default Re: FlexDrive V5 Heatsinking?

Typically the flexdrive gets hot on the side with the two black chips... aka THE SIDE OPPOSITE of the potentiometer. Heatsink the two chips in this picture.

http://www.sonic.net/~jayrob/18650%2020.jpg

This picture is JAYROBS picture in his 18650 hosts. He makes great kits too. Should check that guy out.
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Old 08-27-2011, 02:22 AM #4
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Default Re: FlexDrive V5 Heatsinking?

It is the side with the two chips on it. See my tutorial.

Flexdrive Driver Heatsink for Continuous driver duty cycle @ 1.5A
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Old 08-29-2011, 12:13 PM #5
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Default Re: FlexDrive V5 Heatsinking?

you can use these.

They work great!
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