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3. TECHNICAL BRIEF
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Constant Current Charging
The PM6650 IC supports constant current charging of the main battery by controlling the charger pass
transistor and the battery transistor. The constant current charging continues until the battery reaches
its target voltage, 4.2V.
Constant Voltage Charging
Constant voltage charging begins when the battery voltage reaches a target voltage, 4.2V. The end of
constant voltage charging is commonly detected 10% of the full charging current.
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Charging Method : CC & CV (Constant Current & Constant Voltage)
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Maximum Charging Voltage : 4.2V
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Maximum Charging Current : 600mA
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Nominal Battery Capacity : 950mAh
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Charger Voltage : 5.1V
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Charging time : Max 3h (Except time trickle charging)
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Full charge indication current (icon stop current) : 100mA
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Low battery POP UP : Idle - 3.58V, Dedicated(GSM/WCDMA) - 3.58V
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Low battery alarm interval : Idle - 3 min, Dedicated - 1min
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Cut-off voltage : 3.20V