Nokia RM-497 User Manual

The LOVIISA PMU uses the PDrive signal to control the charging current through the external PNP transistor.
The JUNO BB ASIC changes the charging current through the BSC interface to meet the thermo specification
by using AUXADCIN3 signal(linear charger).The thermal resistor R2303 is used to monitor the temperature
of the phone. Charger will stop charging when the temperature is too hot or to cold.
Figure 37 Wall charger
Figure 38 Wall charger protection
RM-497
System Module
Issue 1 COMPANY CONFIDENTIAL Page 5 – 19
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Nokia RM-497 Specifications

General

Brand	Nokia
Model	RM-497
Category	Handhelds
Language	English