LG KF700Q Service Manual page 47

3. TECHNICAL BRIEF
Trickle Charging
Trickle Charging of the main battery, enabled through SBI control and powered from VDD, is provided
by the PM6658 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
Trickle Current
[Fig. 3.13] PM6658 Trickle Charging Block Diagram
LGE Internal Use Only
Min Typ
60 80
- 48 -
Max
100
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Only for training and service purposes
Unit
mA