Hello,expert:
I want to know the specific implementation of the Average Time To Full function of BQ4050 and what is its principle.
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Hello Wen,
Average Time to full function is implemented by simulating time to full assuming standard charging using constant current followed by constant voltage.The principle is simple - It computes the total charge that is expected to flow by the charging algorithm and then computes the time for each mode to arrive at the total number.
Hello Wen,
You can this of it that way. That is a simplified version of the calculation. The actual algorithm is more complex. If you don't like the values that the bq4050 provides, then there are many other registers that can be read out. This helps users compute their own values to suit their needs.