Nokia 6310i - Page 37

PAMS Technical Documentation 2 - Baseband System
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CHACON
Charger
1n
VCHARINVCHAROUT
0R22
VBATREGS
1u10n
1.5A
33R/100MHz
Transceiver
UEM
VCHAR
10k
10k
10n
PWM
1000uF
max.
Filter
cap.
Pull-
down
100k
VCHAR
CHRG_CTRL
GND
Zmin. 20k
Figure 5 Charging configuration
Figure 6 Detection of charger / generation of charger synchronization pulses