LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3. TECHNICAL BRIEF
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Trickle Charging
Trickle Charging of the main battery, enabled through SBI control and powered from VDD, is provided
by the PM6650 IC, The trickle charger is on-chip programmable current source that supplies current
from VDD to pin (VBAT). Trickle charging can be used for lithium-ion and nickel-based batteries, with
its performance specified below (3.2V). The charging current is set to 80mA.
Parameter Min Typ Max Unit
Trickle Current 60 80 100 mA
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