SECTION 2 - SERVICE PROCEDURE
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2-29
Theory of Battery Charging Condition
The Lithium ION Battery charging operation is a critical
phase because all cells are connected in series and a single
bad cell could effect the cycle time and the life of the bat-
tery pack.
At the start of battery charge, the BMS controls the char-
ger to provide the maximum current (as per setting) and
as soon as one cell reach the 3630 mV the BMS adjusts the
charger to reduce the current supply.
MAF11720
Figure 2-26. Charging Phases
Phase Recharging (With Maximum Current Available or under Light Charge)
•
1 - Cells Voltage Measurement
•
2 - Signal to activate the charger and regulate the delivery amount of current
•
3 - Line connected to the resistance
•
4 - Power Supply Line
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