LG KE990 Service Manual - Page 40

Trickle Charging, Parameter

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3. TECHNICAL BRIEF 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 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 41 - LGE Internal Use Only

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LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc.
All right reserved.
Only for training and service purposes
3. TECHNICAL BRIEF
- 41 -
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