Re: Any current sense amps that can handle 0V on one side of shunt?
- From: "Mook Johnson" <mook@xxxxxxxx>
- Date: Fri, 29 Jun 2007 15:15:16 -0500
"Michael" <nleahcim@xxxxxxxxx> wrote in message
news:1183145879.069777.257720@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Hi there - I'm looking to sense currents going through the three lines
into a brushless motor. The motor will be operated in both directions,
so at some times I'll have something like 49.95 and 50.00 on the two
sides of the shunt resistor, and at other times I'll have 0 and 0.05
on the two sides of the shunt resistor. Are there any current sense
amplifiers that can handle this? Thanks!
-Michael
Which amps are your looking at and what does you're circuit look like.
not clear on what your mean for 49.95 to 50 on two sides?
Since resistors for a brushless motor using 6-step should be between the
source pins of the low side fets and power return.
.
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