LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
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Constant Current Charging
The PM6650 IC supports constant current charging of the main battery by controlling the charger pass
transistor and the battery transistor. The constant current charging continues until the battery reaches
its target voltage, 4.2V.
Constant Voltage Charging
Constant voltage charging begins when the battery voltage reaches a target voltage, 4.2V. The end of
constant voltage charging is commonly detected 10% of the full charging current (140mA)
Charging Method:
CC & CV (Constant Current & Constant Voltage)
Maximum Charging Voltage: 4.2V
Maximum Charging Current: 600mA
Nominal Battery Capacity: 860 mAh
Charger Voltage: 5.4V
Charging time: Max 180min (Except time trickle charging)
Full charge indication current (icon stop current): 140mA
Low battery message: 3.25 ± 0.05V
Cut-off: [Idle] 60s after Low battery message
[Call] 80s after Low battery message
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