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BQ25890H: several questions for QC3.0 charger

Part Number:BQ25890H

Hello,

I found posting of below link and am looking to expand on it. (all threads are locked so I'm writing a new one.)

https://e2e.ti.com/support/power_management/battery_management/f/179/t/558876

Here are my questions,

1. If the host is off, let us know how the quick charge mode works. I can not find it in the datasheet.

2. The products we are developing are very sensitive to temperature.
So if the host gives a different signal depending on the temperature, please let me know how to distinguish between fast charge, normal charge and charge stop.

3. If we are using a fuel gauge, is there a way for the charger to read its output directly?

4. The Simplified Schematic at the bottom right of the datasheet 1 page does not clearly show how the I2C bus and host control are specifically divided.

Please explain more details.

thanks,

TS


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