(1). Charge current limit is derived below equation as Datasheet Chapter 8.4.1.1.
Ichg = VILIM/(20*RSR).
If VILIM is fixed value and RSR is fixed value , How is Ichg toleranse +/- ??%?
For example , VILIM is 1.2V(fixed value) and RSR is 5mohm(fixed value), Ichg is 12A center. In that case, 12A is changed by something tolerance ?
We are thinking that above torelance is Charge Current Regulation Accuracy +/- 2% and, in addition, something else +/- ??% (Charger's inside Amplifier and Comparator etc.).
Please tell me the details of the variation factor except RSR resistor and VILIM voltage.
We must do that it is necessary to calculate the set value based on all the variation factors.
(2). Discharge current Reglation is derived below equation as Datasheet Chapter 8.4.4.
Idchg = VILIM/(5*RSR).
If VILIM is fixed value and RSR is fixed value , How is Idchg toleranse +/- ??%? as above (1) question.
Please tell me the details of the variation factor except RSR resistor and VILIM voltage.
(3).Chapter 8.2 Functional Block Diagram's descripton is Chg gain x16 and Dischg Gain x4.
However, (1)chg calcuration gain is 20 and (2) dischg calcuration gain is 5.
Please teach cause of above difference.
(4). When ILIM pin enable by setting the REG 0x38H[7] to 1,
Charge/Discharge current limit will be selected to the lower one between ILIM pin setting and REG 0x14h and REG 0x39h?
For example, ILIM pin setting: Charge limit 3A/Dischage Limit 12A, and REG 0x14: Charge 5A / Reg 0x 39h: Discharge 8A,
As the result, Charge/Discharge current limit is set to 3A/8A? (Chager select low one automatically?)
Or Charge/Discharge current limit will be depended to only ILIM pin? (exlusive control?)
(5). ILIM pin has Dvider for VILIM setting as below schematic.
If ILIM pin disable by setting the REG 0x38H[7] to 0,
Is it no problem? Or ILIM pin must be floating etc. by removing divider?