Jan 5, 2011 #1 S sj95 Member level 1 Joined Oct 4, 2006 Messages 33 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,286 Activity points 1,568 Dear all: I am designing a circuit which can deliver 10A. But the large current should be difficult to test during CP stage. Is there any good way to make the current testability? Thank you.
Dear all: I am designing a circuit which can deliver 10A. But the large current should be difficult to test during CP stage. Is there any good way to make the current testability? Thank you.
Jan 5, 2011 #2 leo_o2 Advanced Member level 4 Joined Sep 3, 2004 Messages 1,322 Helped 278 Reputation 558 Reaction score 241 Trophy points 1,343 Location China Activity points 5,761 1) Try connect a small resistor and measure voltage drop on the resistor. or 2) Generate a small current that is proportional to the large current. Measure the small current and calculate it.
1) Try connect a small resistor and measure voltage drop on the resistor. or 2) Generate a small current that is proportional to the large current. Measure the small current and calculate it.
Jan 5, 2011 #3 D dick_freebird Advanced Member level 7 Joined Mar 4, 2008 Messages 8,957 Helped 2,333 Reputation 4,683 Reaction score 2,512 Trophy points 1,393 Location USA Activity points 71,384 Test the on-resistance at a lower voltage and current, and correlate that to current sourced in-application. You might want some Kelvin taps for that.
Test the on-resistance at a lower voltage and current, and correlate that to current sourced in-application. You might want some Kelvin taps for that.