Part Number: BQ34Z100-R2
Tool/software:
Hi team,
Earlier, in this thread, we asked about the ideal "Load Select" setting for our system and shared some captured curves that demonstrated how the load works over time. Your team asked us to provide some captured data instead. Here, I shared two long term monitoring data captured for two different units setup to work the same way. Below is our question.
What are the most ideal "Load Select" and "Load Mode" values for the system that works as explained below. This issue has been hanging for a long time and we would really appreciate your advice to deal with it.
System:
During the day, charging kicks in. The system deals with frequent heavy (motor) loads that happen every few minutes and last for a few seconds, then it is back to a relatively low digital system load. During the night, the system remains on low digital load, and no charging happens. Currently, we have Load Mode set to "0" and Load Select set to "1".
Our understanding is that the system is in constant impedance tracking and updating of the impedance tables every time it is in rest mode and after capturing OCV values.
- After reading this document, and given our system's daytime load is not always consistent, is the above setting still the most suitable for a stable SOC/capacity estimation?
- Is it a good idea to set it to 2 (Average Current: based on the AverageCurrent()) or 3 (Current: based on a low-pass-filtered version of AverageCurrent() (τ=14s)) ? (to stabilize capacity/SOC estimation)
The attached zip file has all the data you need to observe how the system load works.
Please ask me any questions if you need anything. Your input is highly appreciated!
Cheers,
Ali
