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Old 02-28-2009, 10:13 AM   #473 (permalink)
motor_control
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Quote:
Originally Posted by NiHaoMike View Post
For current sensing, how about just tap some points and calculate the current from the voltage drop?
If points on copper bar - than copper has high resistance deviation by temp.

If for MOSFET voltage drop ... Rdson is rising with temp and this aproach we've discused some pages ago for over current protecrion, but not for current mesurement.

page 17:
http://ecomodder.com/forum/showthrea...r-6404-17.html

See datasheet IR2127 irf.com desaturation protection.

Last edited by motor_control; 02-28-2009 at 10:44 AM..
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