Energy Management; Battery And Charging - Nokia 2228Arte Service Manual

RM-377
System Module Description

Energy management

Battery and Charging

BL-4C battery
The phone is powered by a 3-pole BL-4C 860 mAh battery. The three poles are named VBAT, GND and ID where
the ID line is used to recognize the battery capacity. This is done by means of an internal battery pull down
The battery connector is a blade connector. It has three blades,
• VBAT (Battery voltage)
• ID (Battery size indicator, The ID line is used to recognize the battery capacity by a BL-4C battery internal pull
down resistor 68Kohm).
• GND (Ground)
Charging
This phone is charged through the µUSB interface only (there is no separated connector for a charger), Support
two charging mode for normal USB charging and two approved NOKIA chargers(AC-6 and DC-6) charging,
Charging is controlled by energy management, and external components are needed to protect the baseband
module against EMC, reverse polarity and transient frequency deviation.
Issue 1
Figure 6 Battery pin order
Figure 7 Battery connector
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