3. TECHNICAL BRIEF
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3.10.3.3.1 Trickle charging
Trickle Charging of the main battery, enabled through SBI control and powered from V
DD
, is provided
by the PM6650-1M 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 nickelbased 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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