Similar situation on my end.  The samples (130A-versions in my case) are on 
hold because I've not fouind a good way to run 130A on the PCB to the 
terminals of the current sensor.  I also remember not being able to find PCB 
screw terminals that can handle that much current.

-Neil.



On Tuesday 14 November 2006 00:08, Steve Smith wrote:
> Bob:
> I have a couple of samples but settled for shunts and op amps its cheaper.
>
> Steve
>
> -----Original Message-----
> From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] On Behalf Of
> Bob Axtell
> Sent: 14 November 2006 02:12
> To: Microcontroller discussion list - Public.
> Subject: [EE] Anybody Used Allegro Current Sensor?
>
> Part number is ACS750SCA050 .
>
> With 5V in, provides a nom 2.5V output with no current
> flowing. The chart indicates high accuracy in either direction
> out to 50A. Insertion R is 130uOhm. Looks like all I have to
> do is to acquire the 2.5V level when powering up (assuming
> no current flow).
>
> The specs are so good I am skeptical. Anybody?
>
> --Bob
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