Only For Training And Service Purposes - LG GM750 Service Manual

Trickle Charging
Trickle Charging of the main battery, enabled through SBI control and powered from V
provided by the PM7540 IC, The trickle charger is on-chip programmable current source that
supplies current from V
based batteries, with its performance specified below (3.2V). The charging current is set to 80mA.
Parameter
Trickle Current
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Only for training and service purposes

to pin (VBAT). Trickle charging can be used for lithium-ion and nickel-
DD
Min
60
Typ Max
80 100
PM7540
Input Power
Managemen
t
- 53 -
3. Technical Brief
, is
DD
Unit
mA
LGE Internal Use Only