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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 PM6635 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
PM6635
Summary of Contents for KE990 - Viewty Cell Phone 100 MB
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