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3. TECHNICAL BRIEF
Trickle Charging
Trickle Charging of the main battery, enabled through SBI control and powered from V
DD
, is provided
by the PM6650 IC, The trickle charger is on-chip programmable current source that supplies current
from V
DD
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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Troubleshooting
