Did I burn out my max9926?
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Author:  nicholasjanssen [ Fri Jul 15, 2016 8:32 pm ]
Post subject:  Did I burn out my max9926?

How can i tell if i burned out my chip?

I have it configured according to schematics found here:: ... ematic.pdf

i am not sure that i didn't misconnect some wires on the breadboard

but now when i connect +5 to the RPM0+ the led light barely dims.

The led needs to turn off correct?

Author:  Fred [ Fri Jul 15, 2016 11:25 pm ]
Post subject:  Re: Did I burn out my max9926?

Based on what you wrote, I would highly recommend that you read the data sheet and gain some understanding of how it actually works. Then you can diagnose it effectively.

Author:  nicholasjanssen [ Mon Jul 18, 2016 8:31 am ]
Post subject:  Re: Did I burn out my max9926?

Well I probably broked my max9926 because i wasn't careful about the inputs and i was reckless trying to make the ecu read the rpms..

but on another point: looking at the jaguar pdf for the max9926:: ... ematic.pdf\

and the schematic for pg 15 mode a2 ... AX9927.pdf

it seems the led between cout1 (resistored) and +5v should not be on unless the max9926 detects a signal? (max9926 page 6)?

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