Hi Sir,
We DIN bq25619 in new project, would you pls help for below 2 questions?
1. Pls help calculate TS resistor 0~45 degree C, attach NTC resistor.
2. Pls advise what purpose as below 10K resistor? 0402/0201 is fine?
Thanks, Ian.
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Hi Sir,
We DIN bq25619 in new project, would you pls help for below 2 questions?
1. Pls help calculate TS resistor 0~45 degree C, attach NTC resistor.
2. Pls advise what purpose as below 10K resistor? 0402/0201 is fine?
Thanks, Ian.
Ian,
1. For RT1 and RT2 calculation tool, please refer to http://www.ti.com/lit/zip/slurax7. Although it was developed for the BQ2589x, the principle is similar and can be used for BQ25619 with a few changes.
2. The optional 10kohm resistor is to improve the robustness. 0402 size should be fine.
Thanks,
Ning.