BQ28550 how to calculate CEDV parameter?

The attached zip file explains the procedure for gathering the data and fitting the CEDV curve. Mathcad will be needed to fit the data. If you don't have Mathcad, you can gather the data, as described in the Simple guide ppt, and someone at TI can fit the data for you.

Dear Chase:

I know this file that it is application on Multi-cell.

But if single cell application(1P1S), 20W and 50W conditions whether they are difficult.

My meanings that Mulit-cell and Single cell calculate CEDV parameters is the same. 

The process will work for multi cell or single cell. 50W is going to be too much, though. That would about 13A. The bq28550 won't work with currents that high. About 6A is the practical limit for the bq28550.

Dear All:

How to define the light load and the heavy load?

Whether need to check it with the host system?

Light load is your typical average load for you application. Heavy load is the average maximum load for your application. The average maximum gives you a worst case scenario type load.

Dear Chase:

Thanks a lot!