BQ40Z50-R1: what's the accuracy of AFE OLD threshold

Mingmo Zhu

Prodigy 540 points

Part Number: BQ40Z50-R1

hi,

what's the accuracy of AFE OLD threshold?

There is a VOFFSET (AFE) +/-2.5mV and VSCALE (AFE) +/-10% in datasheet. The accuracy is 2.5mV / Rsense? or else?

thanks.

over 8 years ago

0 Damian Lewis over 8 years ago

TI__Mastermind 34775 points

Hi Mingmo,

That's about correct. It is dependent on temp, but across temp 0C to 60C the worse case ADC error is 1mV. The AFE OLD accuracy should be worse case ~3.5mV/Rsense.

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BQ40Z50-R1: what's the accuracy of AFE OLD threshold