Current value measured from ISENSE pins
04-27-2022
08:10 PM
2,660 Views
NewStarter
Contributor II
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Hi Experts,
I have been struggling an issue on RD33771-48V EVB for few days. I read current value thru multilink-FX and got a number: 409 (please see attached) . but the current meter shows current flow is 2.39A
Can you help me to clarify how 409 corresponding to 2.39A?
BRs
3 Replies
04-29-2022
01:04 AM
2,638 Views
TomasVaverka
NXP TechSupport
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Hi KS,
You have to to multiply this raw ADC value by the resolution which is 6mA when using a 100μΩ shunt resistor.
So the raw value of 409 multiplied by 6mA results in ~2.45A:
409 x 0.006A = 2.45A
Best regards,
Tomas
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05-16-2022
07:59 PM
2,550 Views
NewStarter
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hi Thomas,
one more question, I'm reading temperature via NTC on RD33771 board and got a number '9376'
is it also multiply by 6?(but not make sense).
Please help me to convert it to actual temperature, thanks.
BRs
KS
05-07-2022
09:58 AM
2,614 Views
NewStarter
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Got it, Thanks Thomas.
BRs